Faster access than browser!
210 relations: Abstract polytope, Abu al-Wafa' Buzjani, Affine space, Algorithm, American Mathematical Monthly, Ancient Greece, Angular defect, Antiprism, Arc (geometry), Archimedean solid, Archimedes, Architecture, Archiv der Mathematik, Bipyramid, Boundary (topology), Bounded set, Branko Grünbaum, Catalan solid, Cauchy's theorem (geometry), Chirality (mathematics), Combinatorics, Commentarii Mathematici Helvetici, Commutative algebra, Complete graph, Complex number, Complex polytope, Complex reflection group, Computational geometry, Configuration (polytope), Connected space, Convex hull, Convex lattice polytope, Convex polygon, Convex polytope, Convex set, Conway polyhedron notation, Coplanarity, Cross-cap, Crystal, Császár polyhedron, Cube, Cuboid, Cupola (geometry), CW complex, Cyclic symmetry in three dimensions, Degeneracy (mathematics), Dehn invariant, Deltahedron, Digon, Dihedral angle, ..., Dihedral group, Discrete & Computational Geometry, Disk (mathematics), Dissection problem, Divergence theorem, Dodecahedron, Dot product, Dual polyhedron, Duocylinder, Edge (geometry), Egypt, Egyptian pyramids, Empty set, Etruscan civilization, Euclid, Euclid's Elements, Euclidean space, Euler characteristic, Extension of a polyhedron, Face (geometry), Faceting, Flexible polyhedron, Genus (mathematics), Geometry, Glossary of graph theory terms, Goldberg polyhedron, Graph (discrete mathematics), Graph theory, Great cubicuboctahedron, Great dodecahedron, Great icosahedron, Great stellated dodecahedron, Greek language, Half-space (geometry), Harold Scott MacDonald Coxeter, Henri Poincaré, Hexahedron, Hilbert space, Hilbert's eighteenth problem, Hilbert's third problem, Honeycomb (geometry), Hosohedron, Icosahedral symmetry, Icosahedron, Icosidodecahedron, Incidence geometry, Integer, Interior (topology), Isogonal figure, Isohedral figure, Isotoxal figure, Johannes Kepler, Johnson solid, K-vertex-connected graph, Kepler–Poinsot polyhedron, Klein bottle, Leonardo da Vinci, Leonhard Euler, Linear programming, List of books about polyhedra, List of Wenninger polyhedron models, London Mathematical Society, Louis Poinsot, Luca Pacioli, M. C. Escher, Manifold, Mathematics in medieval Islam, Max Brückner, Max Dehn, Minkowski addition, Monte Loffa, N-skeleton, Near-miss Johnson solid, Net (polyhedron), Noble polyhedron, Norman Johnson (mathematician), Octahedral symmetry, Octahedron, Orientability, Pappus of Alexandria, Parallelepiped, Partially ordered set, Pentagram, Pentahedron, Perspective (graphical), Piero della Francesca, Planar graph, Platonic solid, Point groups in three dimensions, Point set triangulation, Polycube, Polygon, Polyhedron model, Polytope, Prism (geometry), Proofs and Refutations, Pyramid (geometry), Pythagoras, Quasiregular polyhedron, Real number, Rectilinear polygon, Reflection symmetry, Regular polygon, Regular polyhedron, Regular skew polyhedron, Renaissance, Rhombic triacontahedron, Rhombicuboctahedron, Right angle, Rotation, Schlegel diagram, Semiregular polyhedron, Simple polygon, Simplex, Simply connected space, Skew apeirohedron, Skew polygon, Small stellated dodecahedron, Snub cube, Snub dodecahedron, Soapstone, Solid geometry, Spidron, St Mark's Basilica, Star polygon, Star polyhedron, Stars (M. C. Escher), Steinitz's theorem, Stella (software), Stellation, Symmetric graph, Symmetry, Symmetry group, Tessellation, Tetrahedral symmetry, Tetrahedron, Tetrahemihexahedron, Thābit ibn Qurra, Theaetetus (mathematician), Three-dimensional space, Topology, Toroid, Toroidal polyhedron, Torus, Trapezohedron, Uniform polyhedron, Uniform star polyhedron, Unit vector, Vector (mathematics and physics), Vertex (geometry), Vertex configuration, Vertex figure, Victor Zalgaller, Volume, Voronoi diagram, Wallace–Bolyai–Gerwien theorem, Weaire–Phelan structure, Wenzel Jamnitzer, Wire-frame model, 4-polytope. Expand index (160 more) »
Abstract polytope
In mathematics, an abstract polytope is an algebraic partially ordered set or poset which captures the combinatorial properties of a traditional polytope, but not any purely geometric properties such as angles, edge lengths, etc.
New!!: Polyhedron and Abstract polytope · See more »
Abu al-Wafa' Buzjani
Abū al-Wafāʾ, Muḥammad ibn Muḥammad ibn Yaḥyā ibn Ismāʿīl ibn al-ʿAbbās al-Būzjānī or Abū al-Wafā Būzhjānī (ابوالوفا بوزجانی or بوژگانی) (10 June 940 – 15 July 998) was a Persian mathematician and astronomer who worked in Baghdad.
New!!: Polyhedron and Abu al-Wafa' Buzjani · See more »
Affine space
In mathematics, an affine space is a geometric structure that generalizes the properties of Euclidean spaces in such a way that these are independent of the concepts of distance and measure of angles, keeping only the properties related to parallelism and ratio of lengths for parallel line segments.
New!!: Polyhedron and Affine space · See more »
Algorithm
In mathematics and computer science, an algorithm is an unambiguous specification of how to solve a class of problems.
New!!: Polyhedron and Algorithm · See more »
American Mathematical Monthly
The American Mathematical Monthly is a mathematical journal founded by Benjamin Finkel in 1894.
New!!: Polyhedron and American Mathematical Monthly · See more »
Ancient Greece
Ancient Greece was a civilization belonging to a period of Greek history from the Greek Dark Ages of the 13th–9th centuries BC to the end of antiquity (AD 600).
New!!: Polyhedron and Ancient Greece · See more »
Angular defect
In geometry, the (angular) defect (or deficit or deficiency) means the failure of some angles to add up to the expected amount of 360° or 180°, when such angles in the Euclidean plane would.
New!!: Polyhedron and Angular defect · See more »
Antiprism
In geometry, an n-sided antiprism is a polyhedron composed of two parallel copies of some particular n-sided polygon, connected by an alternating band of triangles.
New!!: Polyhedron and Antiprism · See more »
Arc (geometry)
In Euclidean geometry, an arc (symbol: ⌒) is a closed segment of a differentiable curve.
New!!: Polyhedron and Arc (geometry) · See more »
Archimedean solid
In geometry, an Archimedean solid is one of the 13 solids first enumerated by Archimedes.
New!!: Polyhedron and Archimedean solid · See more »
Archimedes
Archimedes of Syracuse (Ἀρχιμήδης) was a Greek mathematician, physicist, engineer, inventor, and astronomer.
New!!: Polyhedron and Archimedes · See more »
Architecture
Architecture is both the process and the product of planning, designing, and constructing buildings or any other structures.
New!!: Polyhedron and Architecture · See more »
Archiv der Mathematik
Archiv der Mathematik is a peer-reviewed mathematics journal published by Springer, established in 1948.
New!!: Polyhedron and Archiv der Mathematik · See more »
Bipyramid
An n-gonal bipyramid or dipyramid is a polyhedron formed by joining an n-gonal pyramid and its mirror image base-to-base.
New!!: Polyhedron and Bipyramid · See more »
Boundary (topology)
In topology and mathematics in general, the boundary of a subset S of a topological space X is the set of points which can be approached both from S and from the outside of S. More precisely, it is the set of points in the closure of S not belonging to the interior of S. An element of the boundary of S is called a boundary point of S. The term boundary operation refers to finding or taking the boundary of a set.
New!!: Polyhedron and Boundary (topology) · See more »
Bounded set
In mathematical analysis and related areas of mathematics, a set is called bounded, if it is, in a certain sense, of finite size.
New!!: Polyhedron and Bounded set · See more »
Branko Grünbaum
Branko Grünbaum (ברנקו גרונבאום; born 2 October 1929) is a Yugoslavian-born mathematician and a professor emeritus at the University of Washington in Seattle.
New!!: Polyhedron and Branko Grünbaum · See more »
Catalan solid
In mathematics, a Catalan solid, or Archimedean dual, is a dual polyhedron to an Archimedean solid.
New!!: Polyhedron and Catalan solid · See more »
Cauchy's theorem (geometry)
Cauchy's theorem is a theorem in geometry, named after Augustin Cauchy.
New!!: Polyhedron and Cauchy's theorem (geometry) · See more »
Chirality (mathematics)
In geometry, a figure is chiral (and said to have chirality) if it is not identical to its mirror image, or, more precisely, if it cannot be mapped to its mirror image by rotations and translations alone.
New!!: Polyhedron and Chirality (mathematics) · See more »
Combinatorics
Combinatorics is an area of mathematics primarily concerned with counting, both as a means and an end in obtaining results, and certain properties of finite structures.
New!!: Polyhedron and Combinatorics · See more »
Commentarii Mathematici Helvetici
The Commentarii Mathematici Helvetici is a peer-reviewed scientific journal in mathematics.
New!!: Polyhedron and Commentarii Mathematici Helvetici · See more »
Commutative algebra
Commutative algebra is the branch of algebra that studies commutative rings, their ideals, and modules over such rings.
New!!: Polyhedron and Commutative algebra · See more »
Complete graph
No description.
New!!: Polyhedron and Complete graph · See more »
Complex number
A complex number is a number that can be expressed in the form, where and are real numbers, and is a solution of the equation.
New!!: Polyhedron and Complex number · See more »
Complex polytope
In geometry, a complex polytope is a generalization of a polytope in real space to an analogous structure in a complex Hilbert space, where each real dimension is accompanied by an imaginary one.
New!!: Polyhedron and Complex polytope · See more »
Complex reflection group
In mathematics, a complex reflection group is a finite group acting on a finite-dimensional complex vector space that is generated by complex reflections: non-trivial elements that fix a complex hyperplane pointwise.
New!!: Polyhedron and Complex reflection group · See more »
Computational geometry
Computational geometry is a branch of computer science devoted to the study of algorithms which can be stated in terms of geometry.
New!!: Polyhedron and Computational geometry · See more »
Configuration (polytope)
In geometry, H. S. M. Coxeter called a regular polytope a special kind of configuration.
New!!: Polyhedron and Configuration (polytope) · See more »
Connected space
In topology and related branches of mathematics, a connected space is a topological space that cannot be represented as the union of two or more disjoint nonempty open subsets.
New!!: Polyhedron and Connected space · See more »
Convex hull
In mathematics, the convex hull or convex envelope or convex closure of a set X of points in the Euclidean plane or in a Euclidean space (or, more generally, in an affine space over the reals) is the smallest convex set that contains X. For instance, when X is a bounded subset of the plane, the convex hull may be visualized as the shape enclosed by a rubber band stretched around X., p. 3.
New!!: Polyhedron and Convex hull · See more »
Convex lattice polytope
A convex lattice polytope (also called Z-polyhedron or Z-polytope) is a geometric object playing an important role in discrete geometry and combinatorial commutative algebra.
New!!: Polyhedron and Convex lattice polytope · See more »
Convex polygon
A convex polygon is a simple polygon (not self-intersecting) in which no line segment between two points on the boundary ever goes outside the polygon.
New!!: Polyhedron and Convex polygon · See more »
Convex polytope
A convex polytope is a special case of a polytope, having the additional property that it is also a convex set of points in the n-dimensional space Rn.
New!!: Polyhedron and Convex polytope · See more »
Convex set
In convex geometry, a convex set is a subset of an affine space that is closed under convex combinations.
New!!: Polyhedron and Convex set · See more »
Conway polyhedron notation
In geometry, Conway polyhedron notation, invented by John Horton Conway and promoted by George W. Hart, is used to describe polyhedra based on a seed polyhedron modified by various prefix operations.
New!!: Polyhedron and Conway polyhedron notation · See more »
Coplanarity
In geometry, a set of points in space are coplanar if there exists a geometric plane that contains them all.
New!!: Polyhedron and Coplanarity · See more »
Cross-cap
In mathematics, a cross-cap is a two-dimensional surface in 3-space that is one-sided and the continuous image of a Möbius strip that intersects itself in an interval.
New!!: Polyhedron and Cross-cap · See more »
Crystal
A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.
New!!: Polyhedron and Crystal · See more »
Császár polyhedron
In geometry, the Császár polyhedron is a nonconvex polyhedron, topologically a toroid, with 14 triangular faces.
New!!: Polyhedron and Császár polyhedron · See more »
Cube
In geometry, a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex.
New!!: Polyhedron and Cube · See more »
Cuboid
In geometry, a cuboid is a convex polyhedron bounded by six quadrilateral faces, whose polyhedral graph is the same as that of a cube.
New!!: Polyhedron and Cuboid · See more »
Cupola (geometry)
In geometry, a cupola is a solid formed by joining two polygons, one (the base) with twice as many edges as the other, by an alternating band of isosceles triangles and rectangles.
New!!: Polyhedron and Cupola (geometry) · See more »
CW complex
In topology, a CW complex is a type of topological space introduced by J. H. C. Whitehead to meet the needs of homotopy theory.
New!!: Polyhedron and CW complex · See more »
Cyclic symmetry in three dimensions
In three dimensional geometry, there are four infinite series of point groups in three dimensions (n≥1) with n-fold rotational or reflectional symmetry about one axis (by an angle of 360°/n) does not change the object.
New!!: Polyhedron and Cyclic symmetry in three dimensions · See more »
Degeneracy (mathematics)
In mathematics, a degenerate case is a limiting case in which an element of a class of objects is qualitatively different from the rest of the class and hence belongs to another, usually simpler, class.
New!!: Polyhedron and Degeneracy (mathematics) · See more »
Dehn invariant
In geometry, the Dehn invariant of a polyhedron is a value used to determine whether polyhedra can be dissected into each other or whether they can tile space.
New!!: Polyhedron and Dehn invariant · See more »
Deltahedron
In geometry, a deltahedron (plural deltahedra) is a polyhedron whose faces are all equilateral triangles.
New!!: Polyhedron and Deltahedron · See more »
Digon
In geometry, a digon is a polygon with two sides (edges) and two vertices.
New!!: Polyhedron and Digon · See more »
Dihedral angle
A dihedral angle is the angle between two intersecting planes.
New!!: Polyhedron and Dihedral angle · See more »
Dihedral group
In mathematics, a dihedral group is the group of symmetries of a regular polygon, which includes rotations and reflections.
New!!: Polyhedron and Dihedral group · See more »
Discrete & Computational Geometry
Discrete & Computational Geometry is a peer-reviewed mathematics journal published quarterly by Springer.
New!!: Polyhedron and Discrete & Computational Geometry · See more »
Disk (mathematics)
In geometry, a disk (also spelled disc).
New!!: Polyhedron and Disk (mathematics) · See more »
Dissection problem
In geometry, a dissection problem is the problem of partitioning a geometric figure (such as a polytope or ball) into smaller pieces that may be rearranged into a new figure of equal content.
New!!: Polyhedron and Dissection problem · See more »
Divergence theorem
In vector calculus, the divergence theorem, also known as Gauss's theorem or Ostrogradsky's theorem, reprinted in is a result that relates the flow (that is, flux) of a vector field through a surface to the behavior of the vector field inside the surface.
New!!: Polyhedron and Divergence theorem · See more »
Dodecahedron
In geometry, a dodecahedron (Greek δωδεκάεδρον, from δώδεκα dōdeka "twelve" + ἕδρα hédra "base", "seat" or "face") is any polyhedron with twelve flat faces.
New!!: Polyhedron and Dodecahedron · See more »
Dot product
In mathematics, the dot product or scalar productThe term scalar product is often also used more generally to mean a symmetric bilinear form, for example for a pseudo-Euclidean space.
New!!: Polyhedron and Dot product · See more »
Dual polyhedron
In geometry, any polyhedron is associated with a second dual figure, where the vertices of one correspond to the faces of the other and the edges between pairs of vertices of one correspond to the edges between pairs of faces of the other.
New!!: Polyhedron and Dual polyhedron · See more »
Duocylinder
The duocylinder, or double cylinder, is a geometric object embedded in 4-dimensional Euclidean space, defined as the Cartesian product of two disks of respective radii r1 and r2: It is analogous to a cylinder in 3-space, which is the Cartesian product of a disk with a line segment.
New!!: Polyhedron and Duocylinder · See more »
Edge (geometry)
In geometry, an edge is a particular type of line segment joining two vertices in a polygon, polyhedron, or higher-dimensional polytope.
New!!: Polyhedron and Edge (geometry) · See more »
Egypt
Egypt (مِصر, مَصر, Khēmi), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia by a land bridge formed by the Sinai Peninsula.
New!!: Polyhedron and Egypt · See more »
Egyptian pyramids
The Egyptian pyramids are ancient pyramid-shaped masonry structures located in Egypt.
New!!: Polyhedron and Egyptian pyramids · See more »
Empty set
In mathematics, and more specifically set theory, the empty set or null set is the unique set having no elements; its size or cardinality (count of elements in a set) is zero.
New!!: Polyhedron and Empty set · See more »
Etruscan civilization
The Etruscan civilization is the modern name given to a powerful and wealthy civilization of ancient Italy in the area corresponding roughly to Tuscany, western Umbria and northern Lazio.
New!!: Polyhedron and Etruscan civilization · See more »
Euclid
Euclid (Εὐκλείδης Eukleidēs; fl. 300 BC), sometimes given the name Euclid of Alexandria to distinguish him from Euclides of Megara, was a Greek mathematician, often referred to as the "founder of geometry" or the "father of geometry".
New!!: Polyhedron and Euclid · See more »
Euclid's Elements
The Elements (Στοιχεῖα Stoicheia) is a mathematical treatise consisting of 13 books attributed to the ancient Greek mathematician Euclid in Alexandria, Ptolemaic Egypt c. 300 BC.
New!!: Polyhedron and Euclid's Elements · See more »
Euclidean space
In geometry, Euclidean space encompasses the two-dimensional Euclidean plane, the three-dimensional space of Euclidean geometry, and certain other spaces.
New!!: Polyhedron and Euclidean space · See more »
Euler characteristic
In mathematics, and more specifically in algebraic topology and polyhedral combinatorics, the Euler characteristic (or Euler number, or Euler–Poincaré characteristic) is a topological invariant, a number that describes a topological space's shape or structure regardless of the way it is bent.
New!!: Polyhedron and Euler characteristic · See more »
Extension of a polyhedron
In mathematics, in particular in the theory of polyhedra and polytopes, an extension of a polyhedron P is a polyhedron Q together with an affine or, more generally, projective map π mapping Q onto P. Typically, given a polyhedron P, one asks what properties an extension of P must have.
New!!: Polyhedron and Extension of a polyhedron · See more »
Face (geometry)
In solid geometry, a face is a flat (planar) surface that forms part of the boundary of a solid object; a three-dimensional solid bounded exclusively by flat faces is a polyhedron.
New!!: Polyhedron and Face (geometry) · See more »
Faceting
Stella octangula as a faceting of the cube In geometry, faceting (also spelled facetting) is the process of removing parts of a polygon, polyhedron or polytope, without creating any new vertices.
New!!: Polyhedron and Faceting · See more »
Flexible polyhedron
In geometry, a flexible polyhedron is a polyhedral surface that allows continuous non-rigid deformations such that all faces remain rigid.
New!!: Polyhedron and Flexible polyhedron · See more »
Genus (mathematics)
In mathematics, genus (plural genera) has a few different, but closely related, meanings.
New!!: Polyhedron and Genus (mathematics) · See more »
Geometry
Geometry (from the γεωμετρία; geo- "earth", -metron "measurement") is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space.
New!!: Polyhedron and Geometry · See more »
Glossary of graph theory terms
This is a glossary of graph theory terms.
New!!: Polyhedron and Glossary of graph theory terms · See more »
Goldberg polyhedron
A Goldberg polyhedron is a convex polyhedron made from hexagons and pentagons.
New!!: Polyhedron and Goldberg polyhedron · See more »
Graph (discrete mathematics)
In mathematics, and more specifically in graph theory, a graph is a structure amounting to a set of objects in which some pairs of the objects are in some sense "related".
New!!: Polyhedron and Graph (discrete mathematics) · See more »
Graph theory
In mathematics, graph theory is the study of graphs, which are mathematical structures used to model pairwise relations between objects.
New!!: Polyhedron and Graph theory · See more »
Great cubicuboctahedron
In geometry, the great cubicuboctahedron is a nonconvex uniform polyhedron, indexed as U14.
New!!: Polyhedron and Great cubicuboctahedron · See more »
Great dodecahedron
In geometry, the great dodecahedron is a Kepler–Poinsot polyhedron, with Schläfli symbol and Coxeter–Dynkin diagram of.
New!!: Polyhedron and Great dodecahedron · See more »
Great icosahedron
In geometry, the great icosahedron is one of four Kepler-Poinsot polyhedra (nonconvex regular polyhedra), with Schläfli symbol and Coxeter-Dynkin diagram of.
New!!: Polyhedron and Great icosahedron · See more »
Great stellated dodecahedron
In geometry, the great stellated dodecahedron is a Kepler-Poinsot polyhedron, with Schläfli symbol.
New!!: Polyhedron and Great stellated dodecahedron · See more »
Greek language
Greek (Modern Greek: ελληνικά, elliniká, "Greek", ελληνική γλώσσα, ellinikí glóssa, "Greek language") is an independent branch of the Indo-European family of languages, native to Greece and other parts of the Eastern Mediterranean and the Black Sea.
New!!: Polyhedron and Greek language · See more »
Half-space (geometry)
In geometry, a half-space is either of the two parts into which a plane divides the three-dimensional Euclidean space.
New!!: Polyhedron and Half-space (geometry) · See more »
Harold Scott MacDonald Coxeter
Harold Scott MacDonald "Donald" Coxeter, FRS, FRSC, (February 9, 1907 – March 31, 2003) was a British-born Canadian geometer.
New!!: Polyhedron and Harold Scott MacDonald Coxeter · See more »
Henri Poincaré
Jules Henri Poincaré (29 April 1854 – 17 July 1912) was a French mathematician, theoretical physicist, engineer, and philosopher of science.
New!!: Polyhedron and Henri Poincaré · See more »
Hexahedron
A hexahedron (plural: hexahedra) is any polyhedron with six faces.
New!!: Polyhedron and Hexahedron · See more »
Hilbert space
The mathematical concept of a Hilbert space, named after David Hilbert, generalizes the notion of Euclidean space.
New!!: Polyhedron and Hilbert space · See more »
Hilbert's eighteenth problem
Hilbert's eighteenth problem is one of the 23 Hilbert problems set out in a celebrated list compiled in 1900 by mathematician David Hilbert.
New!!: Polyhedron and Hilbert's eighteenth problem · See more »
Hilbert's third problem
The third on Hilbert's list of mathematical problems, presented in 1900, was the first to be solved.
New!!: Polyhedron and Hilbert's third problem · See more »
Honeycomb (geometry)
In geometry, a honeycomb is a space filling or close packing of polyhedral or higher-dimensional cells, so that there are no gaps.
New!!: Polyhedron and Honeycomb (geometry) · See more »
Hosohedron
In geometry, an ''n''-gonal hosohedron is a tessellation of lunes on a spherical surface, such that each lune shares the same two polar opposite vertices.
New!!: Polyhedron and Hosohedron · See more »
Icosahedral symmetry
A regular icosahedron has 60 rotational (or orientation-preserving) symmetries, and a symmetry order of 120 including transformations that combine a reflection and a rotation.
New!!: Polyhedron and Icosahedral symmetry · See more »
Icosahedron
In geometry, an icosahedron is a polyhedron with 20 faces.
New!!: Polyhedron and Icosahedron · See more »
Icosidodecahedron
In geometry, an icosidodecahedron is a polyhedron with twenty (icosi) triangular faces and twelve (dodeca) pentagonal faces.
New!!: Polyhedron and Icosidodecahedron · See more »
Incidence geometry
In mathematics, incidence geometry is the study of incidence structures.
New!!: Polyhedron and Incidence geometry · See more »
Integer
An integer (from the Latin ''integer'' meaning "whole")Integer 's first literal meaning in Latin is "untouched", from in ("not") plus tangere ("to touch").
New!!: Polyhedron and Integer · See more »
Interior (topology)
In mathematics, specifically in topology, the interior of a subset S of points of a topological space X consists of all points of S that do not belong to the boundary of S. A point that is in the interior of S is an interior point of S. The interior of S is the complement of the closure of the complement of S. In this sense interior and closure are dual notions.
New!!: Polyhedron and Interior (topology) · See more »
Isogonal figure
In geometry, a polytope (a polygon, polyhedron or tiling, for example) is isogonal or vertex-transitive if all its vertices are equivalent under the symmetries of the figure.
New!!: Polyhedron and Isogonal figure · See more »
Isohedral figure
In geometry, a polytope of dimension 3 (a polyhedron) or higher is isohedral or face-transitive when all its faces are the same.
New!!: Polyhedron and Isohedral figure · See more »
Isotoxal figure
In geometry, a polytope (for example, a polygon or a polyhedron), or a tiling, is isotoxal or edge-transitive if its symmetries act transitively on its edges.
New!!: Polyhedron and Isotoxal figure · See more »
Johannes Kepler
Johannes Kepler (December 27, 1571 – November 15, 1630) was a German mathematician, astronomer, and astrologer.
New!!: Polyhedron and Johannes Kepler · See more »
Johnson solid
In geometry, a Johnson solid is a strictly convex polyhedron, which is not uniform (i.e., not a Platonic solid, Archimedean solid, prism, or antiprism), and each face of which is a regular polygon.
New!!: Polyhedron and Johnson solid · See more »
K-vertex-connected graph
In graph theory, a connected graph G is said to be k-vertex-connected (or k-connected) if it has more than k vertices and remains connected whenever fewer than k vertices are removed.
New!!: Polyhedron and K-vertex-connected graph · See more »
Kepler–Poinsot polyhedron
In geometry, a Kepler–Poinsot polyhedron is any of four regular star polyhedra.
New!!: Polyhedron and Kepler–Poinsot polyhedron · See more »
Klein bottle
In topology, a branch of mathematics, the Klein bottle is an example of a non-orientable surface; it is a two-dimensional manifold against which a system for determining a normal vector cannot be consistently defined.
New!!: Polyhedron and Klein bottle · See more »
Leonardo da Vinci
Leonardo di ser Piero da Vinci (15 April 14522 May 1519), more commonly Leonardo da Vinci or simply Leonardo, was an Italian polymath of the Renaissance, whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.
New!!: Polyhedron and Leonardo da Vinci · See more »
Leonhard Euler
Leonhard Euler (Swiss Standard German:; German Standard German:; 15 April 170718 September 1783) was a Swiss mathematician, physicist, astronomer, logician and engineer, who made important and influential discoveries in many branches of mathematics, such as infinitesimal calculus and graph theory, while also making pioneering contributions to several branches such as topology and analytic number theory.
New!!: Polyhedron and Leonhard Euler · See more »
Linear programming
Linear programming (LP, also called linear optimization) is a method to achieve the best outcome (such as maximum profit or lowest cost) in a mathematical model whose requirements are represented by linear relationships.
New!!: Polyhedron and Linear programming · See more »
List of books about polyhedra
This is a list of books about polyhedra.
New!!: Polyhedron and List of books about polyhedra · See more »
List of Wenninger polyhedron models
This is an indexed list of the uniform and stellated polyhedra from the book Polyhedron Models, by Magnus Wenninger.
New!!: Polyhedron and List of Wenninger polyhedron models · See more »
London Mathematical Society
The London Mathematical Society (LMS) is one of the United Kingdom's learned societies for mathematics (the others being the Royal Statistical Society (RSS) and the Institute of Mathematics and its Applications (IMA)).
New!!: Polyhedron and London Mathematical Society · See more »
Louis Poinsot
Louis Poinsot (3 January 1777 – 5 December 1859) was a French mathematician and physicist.
New!!: Polyhedron and Louis Poinsot · See more »
Luca Pacioli
Fra Luca Bartolomeo de Pacioli (sometimes Paccioli or Paciolo; 1447–1517) was an Italian mathematician, Franciscan friar, collaborator with Leonardo da Vinci, and a seminal contributor to the field now known as accounting.
New!!: Polyhedron and Luca Pacioli · See more »
M. C. Escher
Maurits Cornelis Escher (17 June 1898 – 27 March 1972) was a Dutch graphic artist who made mathematically-inspired woodcuts, lithographs, and mezzotints.
New!!: Polyhedron and M. C. Escher · See more »
Manifold
In mathematics, a manifold is a topological space that locally resembles Euclidean space near each point.
New!!: Polyhedron and Manifold · See more »
Mathematics in medieval Islam
Mathematics during the Golden Age of Islam, especially during the 9th and 10th centuries, was built on Greek mathematics (Euclid, Archimedes, Apollonius) and Indian mathematics (Aryabhata, Brahmagupta).
New!!: Polyhedron and Mathematics in medieval Islam · See more »
Max Brückner
Johannes Max Brückner (5 August 1860 – 1 November 1934) was a German geometer, known for his collection of polyhedral models.
New!!: Polyhedron and Max Brückner · See more »
Max Dehn
Max Wilhelm Dehn (November 13, 1878 – June 27, 1952) was a German-born American mathematician and student of David Hilbert.
New!!: Polyhedron and Max Dehn · See more »
Minkowski addition
In geometry, the Minkowski sum (also known as dilation) of two sets of position vectors A and B in Euclidean space is formed by adding each vector in A to each vector in B, i.e., the set Analogously, the Minkowski difference (or geometric difference) is defined as It is important to note that in general A - B\ne A+(-B).
New!!: Polyhedron and Minkowski addition · See more »
Monte Loffa
Monte Loffa is a mountain of the Veneto, Italy.
New!!: Polyhedron and Monte Loffa · See more »
N-skeleton
In mathematics, particularly in algebraic topology, the of a topological space X presented as a simplicial complex (resp. CW complex) refers to the subspace Xn that is the union of the simplices of X (resp. cells of X) of dimensions In other words, given an inductive definition of a complex, the is obtained by stopping at the.
New!!: Polyhedron and N-skeleton · See more »
Near-miss Johnson solid
In geometry, a near-miss Johnson solid is a strictly convex polyhedron whose faces are close to being regular polygons but some or all of which are not precisely regular.
New!!: Polyhedron and Near-miss Johnson solid · See more »
Net (polyhedron)
In geometry a net of a polyhedron is an arrangement of edge-joined polygons in the plane which can be folded (along edges) to become the faces of the polyhedron.
New!!: Polyhedron and Net (polyhedron) · See more »
Noble polyhedron
A noble polyhedron is one which is isohedral (all faces the same) and isogonal (all vertices the same).
New!!: Polyhedron and Noble polyhedron · See more »
Norman Johnson (mathematician)
Norman Woodason Johnson (November 12, 1930 – July 13, 2017) was a mathematician, previously at Wheaton College, Norton, Massachusetts.
New!!: Polyhedron and Norman Johnson (mathematician) · See more »
Octahedral symmetry
A regular octahedron has 24 rotational (or orientation-preserving) symmetries, and a symmetry order of 48 including transformations that combine a reflection and a rotation.
New!!: Polyhedron and Octahedral symmetry · See more »
Octahedron
In geometry, an octahedron (plural: octahedra) is a polyhedron with eight faces, twelve edges, and six vertices.
New!!: Polyhedron and Octahedron · See more »
Orientability
In mathematics, orientability is a property of surfaces in Euclidean space that measures whether it is possible to make a consistent choice of surface normal vector at every point.
New!!: Polyhedron and Orientability · See more »
Pappus of Alexandria
Pappus of Alexandria (Πάππος ὁ Ἀλεξανδρεύς; c. 290 – c. 350 AD) was one of the last great Greek mathematicians of Antiquity, known for his Synagoge (Συναγωγή) or Collection (c. 340), and for Pappus's hexagon theorem in projective geometry.
New!!: Polyhedron and Pappus of Alexandria · See more »
Parallelepiped
In geometry, a parallelepiped is a three-dimensional figure formed by six parallelograms (the term rhomboid is also sometimes used with this meaning).
New!!: Polyhedron and Parallelepiped · See more »
Partially ordered set
In mathematics, especially order theory, a partially ordered set (also poset) formalizes and generalizes the intuitive concept of an ordering, sequencing, or arrangement of the elements of a set.
New!!: Polyhedron and Partially ordered set · See more »
Pentagram
A pentagram (sometimes known as a pentalpha or pentangle or a star pentagon) is the shape of a five-pointed star drawn with five straight strokes.
New!!: Polyhedron and Pentagram · See more »
Pentahedron
In geometry, a pentahedron (plural: pentahedra) is a polyhedron with five faces or sides.
New!!: Polyhedron and Pentahedron · See more »
Perspective (graphical)
Perspective (from perspicere "to see through") in the graphic arts is an approximate representation, generally on a flat surface (such as paper), of an image as it is seen by the eye.
New!!: Polyhedron and Perspective (graphical) · See more »
Piero della Francesca
Piero della Francesca (c. 1415 – 12 October 1492) was an Italian painter of the Early Renaissance.
New!!: Polyhedron and Piero della Francesca · See more »
Planar graph
In graph theory, a planar graph is a graph that can be embedded in the plane, i.e., it can be drawn on the plane in such a way that its edges intersect only at their endpoints.
New!!: Polyhedron and Planar graph · See more »
Platonic solid
In three-dimensional space, a Platonic solid is a regular, convex polyhedron.
New!!: Polyhedron and Platonic solid · See more »
Point groups in three dimensions
In geometry, a point group in three dimensions is an isometry group in three dimensions that leaves the origin fixed, or correspondingly, an isometry group of a sphere.
New!!: Polyhedron and Point groups in three dimensions · See more »
Point set triangulation
A triangulation of a set of points \mathcal in the Euclidean space \mathbb^d is a simplicial complex that covers the convex hull of \mathcal, and whose vertices belong to \mathcal.
New!!: Polyhedron and Point set triangulation · See more »
Polycube
The seven free tetracubes chiral pentacube Puzzle with a unique solution A polycube is a solid figure formed by joining one or more equal cubes face to face.
New!!: Polyhedron and Polycube · See more »
Polygon
In elementary geometry, a polygon is a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed polygonal chain or circuit.
New!!: Polyhedron and Polygon · See more »
Polyhedron model
A polyhedron model is a physical construction of a polyhedron, constructed from cardboard, plastic board, wood board or other panel material, or, less commonly, solid material.
New!!: Polyhedron and Polyhedron model · See more »
Polytope
In elementary geometry, a polytope is a geometric object with "flat" sides.
New!!: Polyhedron and Polytope · See more »
Prism (geometry)
In geometry, a prism is a polyhedron comprising an n-sided polygonal base, a second base which is a translated copy (rigidly moved without rotation) of the first, and n other faces (necessarily all parallelograms) joining corresponding sides of the two bases.
New!!: Polyhedron and Prism (geometry) · See more »
Proofs and Refutations
Proofs and Refutations is a 1976 book by philosopher Imre Lakatos expounding his view of the progress of mathematics.
New!!: Polyhedron and Proofs and Refutations · See more »
Pyramid (geometry)
In geometry, a pyramid is a polyhedron formed by connecting a polygonal base and a point, called the apex.
New!!: Polyhedron and Pyramid (geometry) · See more »
Pythagoras
Pythagoras of Samos was an Ionian Greek philosopher and the eponymous founder of the Pythagoreanism movement.
New!!: Polyhedron and Pythagoras · See more »
Quasiregular polyhedron
In geometry, a quasiregular polyhedron is a semiregular polyhedron that has exactly two kinds of regular faces, which alternate around each vertex.
New!!: Polyhedron and Quasiregular polyhedron · See more »
Real number
In mathematics, a real number is a value of a continuous quantity that can represent a distance along a line.
New!!: Polyhedron and Real number · See more »
Rectilinear polygon
A rectilinear polygon is a polygon all of whose edge intersections are at right angles.
New!!: Polyhedron and Rectilinear polygon · See more »
Reflection symmetry
Reflection symmetry, line symmetry, mirror symmetry, mirror-image symmetry, is symmetry with respect to reflection.
New!!: Polyhedron and Reflection symmetry · See more »
Regular polygon
In Euclidean geometry, a regular polygon is a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length).
New!!: Polyhedron and Regular polygon · See more »
Regular polyhedron
A regular polyhedron is a polyhedron whose symmetry group acts transitively on its flags.
New!!: Polyhedron and Regular polyhedron · See more »
Regular skew polyhedron
In geometry, the regular skew polyhedra are generalizations to the set of regular polyhedron which include the possibility of nonplanar faces or vertex figures.
New!!: Polyhedron and Regular skew polyhedron · See more »
Renaissance
The Renaissance is a period in European history, covering the span between the 14th and 17th centuries.
New!!: Polyhedron and Renaissance · See more »
Rhombic triacontahedron
In geometry, the rhombic triacontahedron, sometimes simply called the triacontahedron as it is the most common thirty-faced polyhedron, is a convex polyhedron with 30 rhombic faces.
New!!: Polyhedron and Rhombic triacontahedron · See more »
Rhombicuboctahedron
In geometry, the rhombicuboctahedron, or small rhombicuboctahedron, is an Archimedean solid with eight triangular and eighteen square faces.
New!!: Polyhedron and Rhombicuboctahedron · See more »
Right angle
In geometry and trigonometry, a right angle is an angle of exactly 90° (degrees), corresponding to a quarter turn.
New!!: Polyhedron and Right angle · See more »
Rotation
A rotation is a circular movement of an object around a center (or point) of rotation.
New!!: Polyhedron and Rotation · See more »
Schlegel diagram
In geometry, a Schlegel diagram is a projection of a polytope from R^d into R^ through a point beyond one of its facets or faces.
New!!: Polyhedron and Schlegel diagram · See more »
Semiregular polyhedron
The term semiregular polyhedron (or semiregular polytope) is used variously by different authors.
New!!: Polyhedron and Semiregular polyhedron · See more »
Simple polygon
In geometry a simple polygon is a flat shape consisting of straight, non-intersecting line segments or "sides" that are joined pair-wise to form a closed path.
New!!: Polyhedron and Simple polygon · See more »
Simplex
In geometry, a simplex (plural: simplexes or simplices) is a generalization of the notion of a triangle or tetrahedron to arbitrary dimensions.
New!!: Polyhedron and Simplex · See more »
Simply connected space
In topology, a topological space is called simply connected (or 1-connected, or 1-simply connected) if it is path-connected and every path between two points can be continuously transformed (intuitively for embedded spaces, staying within the space) into any other such path while preserving the two endpoints in question.
New!!: Polyhedron and Simply connected space · See more »
Skew apeirohedron
In geometry, a skew apeirohedron is an infinite skew polyhedron consisting of nonplanar faces or nonplanar vertex figures, allowing the figure to extend indefinitely without folding round to form a closed surface.
New!!: Polyhedron and Skew apeirohedron · See more »
Skew polygon
In geometry, a skew polygon is a polygon whose vertices are not all coplanar.
New!!: Polyhedron and Skew polygon · See more »
Small stellated dodecahedron
In geometry, the small stellated dodecahedron is a Kepler-Poinsot polyhedron, named by Arthur Cayley, and with Schläfli symbol.
New!!: Polyhedron and Small stellated dodecahedron · See more »
Snub cube
In geometry, the snub cube, or snub cuboctahedron, is an Archimedean solid with 38 faces: 6 squares and 32 equilateral triangles.
New!!: Polyhedron and Snub cube · See more »
Snub dodecahedron
In geometry, the snub dodecahedron, or snub icosidodecahedron, is an Archimedean solid, one of thirteen convex isogonal nonprismatic solids constructed by two or more types of regular polygon faces.
New!!: Polyhedron and Snub dodecahedron · See more »
Soapstone
Soapstone (also known as steatite or soaprock) is a talc-schist, which is a type of metamorphic rock.
New!!: Polyhedron and Soapstone · See more »
Solid geometry
In mathematics, solid geometry is the traditional name for the geometry of three-dimensional Euclidean space.
New!!: Polyhedron and Solid geometry · See more »
Spidron
In geometry, a spidron is a continuous flat geometric figure composed entirely of triangles, where, for every pair of joining triangles, each has a leg of the other as one of its legs, and neither has any point inside the interior of the other.
New!!: Polyhedron and Spidron · See more »
St Mark's Basilica
The Patriarchal Cathedral Basilica of Saint Mark (Basilica Cattedrale Patriarcale di San Marco), commonly known as Saint Mark's Basilica (Basilica di San Marco; Baxéłega de San Marco), is the cathedral church of the Roman Catholic Archdiocese of Venice, northern Italy.
New!!: Polyhedron and St Mark's Basilica · See more »
Star polygon
In geometry, a star polygon is a type of non-convex polygon.
New!!: Polyhedron and Star polygon · See more »
Star polyhedron
In geometry, a star polyhedron is a polyhedron which has some repetitive quality of nonconvexity giving it a star-like visual quality.
New!!: Polyhedron and Star polyhedron · See more »
Stars (M. C. Escher)
Stars is a wood engraving print created by the Dutch artist M. C. Escher in 1948, depicting two chameleons in a polyhedral cage floating through space.
New!!: Polyhedron and Stars (M. C. Escher) · See more »
Steinitz's theorem
In polyhedral combinatorics, a branch of mathematics, Steinitz's theorem is a characterization of the undirected graphs formed by the edges and vertices of three-dimensional convex polyhedra: they are exactly the (simple) 3-vertex-connected planar graphs (with at least four vertices).
New!!: Polyhedron and Steinitz's theorem · See more »
Stella (software)
Stella, a computer program available in three versions (Great Stella, Small Stella and Stella4D), was created by Robert Webb of Australia.
New!!: Polyhedron and Stella (software) · See more »
Stellation
In geometry, stellation is the process of extending a polygon in two dimensions, polyhedron in three dimensions, or, in general, a polytope in n dimensions to form a new figure.
New!!: Polyhedron and Stellation · See more »
Symmetric graph
In the mathematical field of graph theory, a graph G is symmetric (or arc-transitive) if, given any two pairs of adjacent vertices u1—v1 and u2—v2 of G, there is an automorphism such that In other words, a graph is symmetric if its automorphism group acts transitively upon ordered pairs of adjacent vertices (that is, upon edges considered as having a direction).
New!!: Polyhedron and Symmetric graph · See more »
Symmetry
Symmetry (from Greek συμμετρία symmetria "agreement in dimensions, due proportion, arrangement") in everyday language refers to a sense of harmonious and beautiful proportion and balance.
New!!: Polyhedron and Symmetry · See more »
Symmetry group
In group theory, the symmetry group of an object (image, signal, etc.) is the group of all transformations under which the object is invariant with composition as the group operation.
New!!: Polyhedron and Symmetry group · See more »
Tessellation
A tessellation of a flat surface is the tiling of a plane using one or more geometric shapes, called tiles, with no overlaps and no gaps.
New!!: Polyhedron and Tessellation · See more »
Tetrahedral symmetry
A regular tetrahedron, an example of a solid with full tetrahedral symmetry A regular tetrahedron has 12 rotational (or orientation-preserving) symmetries, and a symmetry order of 24 including transformations that combine a reflection and a rotation.
New!!: Polyhedron and Tetrahedral symmetry · See more »
Tetrahedron
In geometry, a tetrahedron (plural: tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners.
New!!: Polyhedron and Tetrahedron · See more »
Tetrahemihexahedron
In geometry, the tetrahemihexahedron or hemicuboctahedron is a uniform star polyhedron, indexed as U4.
New!!: Polyhedron and Tetrahemihexahedron · See more »
Thābit ibn Qurra
(ثابت بن قره, Thebit/Thebith/Tebit; 826 – February 18, 901) was a Syrian Arab Sabian mathematician, physician, astronomer, and translator who lived in Baghdad in the second half of the ninth century during the time of Abbasid Caliphate.
New!!: Polyhedron and Thābit ibn Qurra · See more »
Theaetetus (mathematician)
Theaetetus of Athens (Θεαίτητος; c. 417 – 369 BC), possibly the son of Euphronius of the Athenian deme Sunium, was a Greek mathematician.
New!!: Polyhedron and Theaetetus (mathematician) · See more »
Three-dimensional space
Three-dimensional space (also: 3-space or, rarely, tri-dimensional space) is a geometric setting in which three values (called parameters) are required to determine the position of an element (i.e., point).
New!!: Polyhedron and Three-dimensional space · See more »
Topology
In mathematics, topology (from the Greek τόπος, place, and λόγος, study) is concerned with the properties of space that are preserved under continuous deformations, such as stretching, crumpling and bending, but not tearing or gluing.
New!!: Polyhedron and Topology · See more »
Toroid
In mathematics, a toroid is a surface of revolution with a hole in the middle, like a doughnut, forming a solid body.
New!!: Polyhedron and Toroid · See more »
Toroidal polyhedron
In geometry, a toroidal polyhedron is a polyhedron which is also a toroid (a g-holed torus), having a topological genus of 1 or greater.
New!!: Polyhedron and Toroidal polyhedron · See more »
Torus
In geometry, a torus (plural tori) is a surface of revolution generated by revolving a circle in three-dimensional space about an axis coplanar with the circle.
New!!: Polyhedron and Torus · See more »
Trapezohedron
The n-gonal trapezohedron, antidipyramid, antibipyramid or deltohedron is the dual polyhedron of an n-gonal antiprism.
New!!: Polyhedron and Trapezohedron · See more »
Uniform polyhedron
A uniform polyhedron is a polyhedron which has regular polygons as faces and is vertex-transitive (transitive on its vertices, isogonal, i.e. there is an isometry mapping any vertex onto any other).
New!!: Polyhedron and Uniform polyhedron · See more »
Uniform star polyhedron
In geometry, a uniform star polyhedron is a self-intersecting uniform polyhedron.
New!!: Polyhedron and Uniform star polyhedron · See more »
Unit vector
In mathematics, a unit vector in a normed vector space is a vector (often a spatial vector) of length 1.
New!!: Polyhedron and Unit vector · See more »
Vector (mathematics and physics)
When used without any further description, vector usually refers either to.
New!!: Polyhedron and Vector (mathematics and physics) · See more »
Vertex (geometry)
In geometry, a vertex (plural: vertices or vertexes) is a point where two or more curves, lines, or edges meet.
New!!: Polyhedron and Vertex (geometry) · See more »
Vertex configuration
In geometry, a vertex configuration by Walter Steurer, Sofia Deloudi, (2009) pp.
New!!: Polyhedron and Vertex configuration · See more »
Vertex figure
In geometry, a vertex figure, broadly speaking, is the figure exposed when a corner of a polyhedron or polytope is sliced off.
New!!: Polyhedron and Vertex figure · See more »
Victor Zalgaller
Victor (Viktor) Abramovich Zalgaller (ויקטור אבּרמוביץ' זלגלר; Виктор Абрамович Залгаллер; born on December 25, 1920 in Parfino, Novgorod Governorate) is a mathematician in the fields of geometry and optimization.
New!!: Polyhedron and Victor Zalgaller · See more »
Volume
Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains.
New!!: Polyhedron and Volume · See more »
Voronoi diagram
In mathematics, a Voronoi diagram is a partitioning of a plane into regions based on distance to points in a specific subset of the plane.
New!!: Polyhedron and Voronoi diagram · See more »
Wallace–Bolyai–Gerwien theorem
In geometry, the Wallace–Bolyai–Gerwien theorem, named after William Wallace, Farkas Bolyai and Paul Gerwien, is a theorem related to dissections of polygons.
New!!: Polyhedron and Wallace–Bolyai–Gerwien theorem · See more »
Weaire–Phelan structure
In geometry, the Weaire–Phelan structure is a complex 3-dimensional structure representing an idealised foam of equal-sized bubbles.
New!!: Polyhedron and Weaire–Phelan structure · See more »
Wenzel Jamnitzer
Wenzel Jamnitzer (sometimes Jamitzer, or Wenzel Gemniczer) (1507/1508 – 19 December 1585) was a Northern Mannerist goldsmith, artist, and printmaker in etching, who worked in Nuremberg.
New!!: Polyhedron and Wenzel Jamnitzer · See more »
Wire-frame model
A wire-frame model is a visual presentation of a 3-dimensional (3D) or physical object used in 3D computer graphics.
New!!: Polyhedron and Wire-frame model · See more »
4-polytope
In geometry, a 4-polytope (sometimes also called a polychoron, polycell, or polyhedroid) is a four-dimensional polytope.
New!!: Polyhedron and 4-polytope · See more »
Redirects here:
3-dimensional polytope, 3-polytope, Acoptic polyhedron, CHILIAHEDRON, Chiliahedron, Hedron, Hedrons, N-hedron, Nonacoptic polyhedron, Null polytope, Nullitope, Polyhedra, Polyhedral surface, Polyhedron and Polyhedra, Polyhedrons, Volume of a polyhedron.
References
[1] https://en.wikipedia.org/wiki/Polyhedron
