NL (complexity) and PSPACE

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between NL (complexity) and PSPACE

NL (complexity) vs. PSPACE

In computational complexity theory, NL (Nondeterministic Logarithmic-space) is the complexity class containing decision problems which can be solved by a nondeterministic Turing machine using a logarithmic amount of memory space. In computational complexity theory, PSPACE is the set of all decision problems that can be solved by a Turing machine using a polynomial amount of space.

Similarities between NL (complexity) and PSPACE

NL (complexity) and PSPACE have 9 things in common (in Unionpedia): Complement (complexity), Computational complexity theory, Decision problem, NL (complexity), Non-deterministic Turing machine, P (complexity), Savitch's theorem, Transitive closure, Turing machine.

Complement (complexity)

In computational complexity theory, the complement of a decision problem is the decision problem resulting from reversing the yes and no answers.

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Computational complexity theory

Computational complexity theory is a branch of the theory of computation in theoretical computer science that focuses on classifying computational problems according to their inherent difficulty, and relating those classes to each other.

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Decision problem

In computability theory and computational complexity theory, a decision problem is a problem that can be posed as a yes-no question of the input values.

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NL (complexity)

NL (complexity) and NL (complexity) · NL (complexity) and PSPACE · See more »

Non-deterministic Turing machine

In theoretical computer science, a Turing machine is a theoretical machine that is used in thought experiments to examine the abilities and limitations of computers.

NL (complexity) and Non-deterministic Turing machine · Non-deterministic Turing machine and PSPACE · See more »

P (complexity)

In computational complexity theory, P, also known as PTIME or DTIME(nO(1)), is a fundamental complexity class.

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Savitch's theorem

In computational complexity theory, Savitch's theorem, proved by Walter Savitch in 1970, gives a relationship between deterministic and non-deterministic space complexity.

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Transitive closure

In mathematics, the transitive closure of a binary relation R on a set X is the smallest relation on X that contains R and is transitive.

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Turing machine

A Turing machine is a mathematical model of computation that defines an abstract machine, which manipulates symbols on a strip of tape according to a table of rules.

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The list above answers the following questions

What NL (complexity) and PSPACE have in common
What are the similarities between NL (complexity) and PSPACE

NL (complexity) and PSPACE Comparison

NL (complexity) has 38 relations, while PSPACE has 33. As they have in common 9, the Jaccard index is 12.68% = 9 / (38 + 33).

References

This article shows the relationship between NL (complexity) and PSPACE. To access each article from which the information was extracted, please visit:

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