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- ...litating new proof methods and providing additional evidence that the main complexity classes are somehow "natural" and not tied to the specific [[abstract machi ...e structures – correspond to the [[computational problem]]s of traditional complexity theory. ...18 KB (2,624 words) - 06:44, 24 June 2025
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- #REDIRECT [[Descriptive complexity theory]] ...43 bytes (4 words) - 10:21, 15 November 2008
- == Complexity == ...Turing machine]] using only a logarithmic amount of memory is called [[NL (complexity)|NL]]. The st-connectivity problem can be shown to be in NL, as a non-deter ...4 KB (577 words) - 20:05, 5 March 2025
- ...applying to research in model checking, database theory, and computational complexity theory. ...[Descriptive Complexity]]'' appeared in 1999.<ref>Reviews of ''Descriptive Complexity'': ...4 KB (502 words) - 00:43, 18 March 2025
- ...rt description|Set of all properties in existential 2nd order logic is the complexity class NP}} ...ry]], a branch of [[computational complexity theory]] that characterizes [[complexity class]]es in terms of logic-based descriptions of their problems rather tha ...5 KB (707 words) - 23:26, 19 June 2025
- ...meter]] (Moschovakis 1980). Thus effective descriptive set theory combines descriptive set theory with [[recursion theory]]. ...s a [[computable presentation]]. Such spaces are studied in both effective descriptive set theory and in [[constructive analysis]]. In particular, standard examp ...3 KB (460 words) - 06:11, 4 March 2024
- {{Short description|Computational complexity}} ...eory]], '''NL''' ('''N'''ondeterministic '''L'''ogarithmic-space) is the [[complexity class]] containing [[decision problem]]s that can be solved by a [[nondeter ...11 KB (1,651 words) - 04:06, 12 May 2025
- == Descriptive characterization == ...i-access = free }}</ref> This means that every language in the ELEMENTARY complexity class corresponds to as a higher-order formula that is true for, and only f ...7 KB (970 words) - 08:05, 6 November 2024
- ...ts are [[Class (computer programming)|classes]] of objects of increasing [[complexity]]. In that case, the preorder defining the hierarchy is the class-containme * [[Tree (descriptive set theory)]] ...4 KB (516 words) - 14:35, 29 July 2024
- ...(complexity)|NP]], [[co-NP]], [[BPP (complexity)|BPP]], [[P/poly]], [[PH (complexity)|PH]], and PSPACE]] ...that can be solved by a [[Turing machine]] using a [[polynomial]] [[Space complexity|amount of space]]. ...8 KB (1,107 words) - 19:54, 20 September 2025
- ===Descriptive complexity=== ...Vardi|Vardi]]<ref>{{cite conference |last=Vardi |first=Moshe Y. |title=The Complexity of Relational Query Languages |book-title=STOC '82: Proceedings of the four ...10 KB (1,523 words) - 07:07, 10 May 2025
- == Complexity of structure == ...Nowadays the research of sets of uniqueness is just as much a branch of [[descriptive set theory]] as it is of harmonic analysis. ...6 KB (1,014 words) - 10:41, 21 June 2023
- In [[mathematical logic]], '''descriptive set theory''' ('''DST''') is the study of certain classes of "[[well-behave Descriptive set theory begins with the study of Polish spaces and their [[Borel set]]s. ...10 KB (1,576 words) - 09:57, 22 September 2024
- ...litating new proof methods and providing additional evidence that the main complexity classes are somehow "natural" and not tied to the specific [[abstract machi ...e structures – correspond to the [[computational problem]]s of traditional complexity theory. ...18 KB (2,624 words) - 06:44, 24 June 2025
- ...the [[list of topics in logic]]. See also the [[list of computability and complexity topics]] for more theory of [[algorithm]]s. **[[Descriptive complexity theory]] ...14 KB (1,402 words) - 00:08, 16 November 2024
- ...s '''PTIME''' or '''[[DTIME]]'''(''n''<sup>O(1)</sup>), is a fundamental [[complexity class]]. It contains all [[decision problem]]s that can be solved by a [[de ...rcuit]]s. A language ''L'' is in P if and only if there exists a [[Circuit complexity#Polynomial-time uniform|polynomial-time uniform]] family of Boolean circuit ...15 KB (2,197 words) - 10:17, 2 June 2025
- {{Short description|Concept in computational complexity theory}} In [[computational complexity theory]], the [[complexity class]] '''NEXPTIME''' (sometimes called '''NEXP''') is the set of [[decisi ...8 KB (1,103 words) - 10:51, 23 April 2025
- ...of their [[Kolmogorov complexity|descriptive complexity]]. See [[specified complexity]].</ref> * [[Specified complexity]] ...7 KB (1,017 words) - 00:39, 13 January 2025
- ...dard [[padding argument]].<ref>The standard reference for padding in space complexity (which predates this theorem) is {{citation ...For a stronger padding argument that applies even to sublogarithmic space complexity classes, see {{citation ...10 KB (1,459 words) - 19:55, 9 February 2025
- ...ter [[XXXX Wadge]] (date of birth – date of death), --> are levels of complexity for sets of [[real number|real]]s. Sets are compared by [[continuous functi ...adge degrees are relevant to [[Computational complexity theory|algorithmic complexity]]. ...10 KB (1,557 words) - 20:20, 3 November 2024
- ...his, according to [[Bernard Crick]], is to have ideals that themselves are descriptive of a process, rather than an outcome.{{cn|date=September 2022}} His [[poli ...3 KB (404 words) - 15:54, 3 June 2025