• computational complexity theory, a log-space reduction is a reduction computable by a deterministic Turing machine using logarithmic space. Conceptually, this means...
    4 KB (446 words) - 14:57, 18 December 2022
  • SL (Symmetric Logspace or Sym-L) is the complexity class of problems log-space reducible to USTCON (undirected s-t connectivity), which is the problem...
    14 KB (1,793 words) - 15:43, 24 May 2024
  • computational complexity theory, a log space transducer (LST) is a type of Turing machine used for log-space reductions. A log space transducer, M {\displaystyle...
    2 KB (398 words) - 07:26, 18 November 2024
  • the working space of the algorithm. In theoretical applications such as log-space reductions, it is more typical to always ignore output space (in these...
    8 KB (1,151 words) - 05:10, 4 May 2025
  • under the unproven assumption that NC ≠ P. If we use the stronger log-space reduction, this remains true, but additionally we learn that all P-complete...
    10 KB (1,443 words) - 18:12, 22 April 2025
  • L (complexity) (redirect from Log space)
    way. Every non-trivial problem in L is complete under log-space reductions, so weaker reductions are required to identify meaningful notions of L-completeness...
    8 KB (909 words) - 05:48, 26 February 2025
  • Thumbnail for Reduction (complexity)
    hierarchy, polynomial-time reductions are used. When studying classes within P such as NC and NL, log-space reductions are used. Reductions are also used in computability...
    11 KB (1,658 words) - 21:46, 20 April 2025
  • Thumbnail for St-connectivity
    under a log-space reduction. This remains true for the stronger case of first-order reductions (Immerman 1999, p. 51). The log-space reduction from any...
    4 KB (518 words) - 20:05, 5 March 2025
  • problem in P would be complete. Instead, weaker reductions such as log-space reductions or NC reductions are used for defining classes of complete problems...
    11 KB (1,472 words) - 23:39, 6 June 2023
  • projections where each subsequent reduction notion is weaker than the prior; see polynomial-time reduction and log-space reduction for details. Given decision...
    12 KB (1,763 words) - 03:50, 7 June 2024
  • generally done by means of a log-space transducer. The main use for log-space computable functions is in log-space reductions. This is a means of transforming...
    1 KB (142 words) - 11:33, 20 July 2022
  • reduction of A {\displaystyle A} to B {\displaystyle B} that runs in polynomial time. The concept of log-space reduction is similar. These reductions...
    12 KB (1,844 words) - 11:28, 22 April 2025
  • complexity of reductions, such as polynomial-time reductions or log-space reductions. The most commonly used reduction is a polynomial-time reduction. This means...
    50 KB (6,704 words) - 15:08, 29 April 2025
  • complexity of decision problems. The term L reduction is sometimes used to refer to log-space reductions, by analogy with the complexity class L, but...
    6 KB (1,017 words) - 17:40, 4 August 2023
  • Large Space Telescope, the Hubble Space Telescope Living Systems Theory Log-space transducer, a type of Turing machine used for log-space reductions Löwenheim–Skolem...
    2 KB (250 words) - 13:42, 30 December 2023
  • randomized logarithmic space, which is not known to equal NL. Several problems are known to be NL-complete under log-space reductions, including ST-connectivity...
    10 KB (1,290 words) - 01:33, 29 September 2024
  • Thumbnail for NP-completeness
    NP-complete under log space reductions. All currently known NP-complete problems remain NP-complete even under much weaker reductions such as A C 0 {\displaystyle...
    30 KB (3,617 words) - 20:05, 16 January 2025
  • Thumbnail for Digi-Comp II
    to run (encoded in unary), is complete under log-space reduction for CC, the class of problems log-space reducible to the stable marriage problem. He...
    6 KB (685 words) - 20:17, 13 February 2024
  • Redox potential (also known as oxidation / reduction potential, ORP, pe, E r e d {\displaystyle E_{red}} , or E h {\displaystyle E_{h}} ) is a measure...
    24 KB (3,173 words) - 17:45, 21 April 2025
  • Redox (redirect from Reduction (chemistry))
    Redox (/ˈrɛdɒks/ RED-oks, /ˈriːdɒks/ REE-doks, reduction–oxidation or oxidation–reduction: 150 ) is a type of chemical reaction in which the oxidation...
    35 KB (3,434 words) - 10:40, 3 May 2025
  • then defined as the class of all problems with an L-reduction (linear reduction, not log-space reduction) to problems in MaxSNP0. For example, MAX-3SAT is...
    6 KB (868 words) - 12:20, 26 April 2024
  • Thumbnail for Complexity class
    based on resource bounds, such as polynomial-time reductions and log-space reductions. Reductions motivate the concept of a problem being hard for a...
    75 KB (10,382 words) - 21:14, 20 April 2025
  • In computer science, the reduction operator is a type of operator that is commonly used in parallel programming to reduce the elements of an array into...
    20 KB (3,311 words) - 12:21, 9 November 2024
  • Thumbnail for Neil D. Jones
    theory of computation, he was among the pioneers of the study of Log-space reductions and P-completeness. Neil D. Jones was a Knight of the Order of the...
    5 KB (345 words) - 19:46, 27 April 2025
  • Comparison of PaX to Exec Shield and W^X Address Space Layout Randomization in Windows Vista - Michael Howard's Web Log ASLR for Windows 2000/XP/2003 (WehnTrust)...
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  • specific criteria. Another example would be a log-linear model, obtaining a value at a point in m-D space as the product on appropriate marginal subspaces...
    6 KB (683 words) - 14:33, 29 January 2025
  • of Ω ( loglog ⁡ n ) , {\displaystyle \Omega (\log \log n),} upper bound of O ( 2 2 loglog ⁡ n ) . {\displaystyle O(2^{2{\sqrt {\log \log n}}}).}...
    34 KB (6,087 words) - 05:50, 29 March 2025
  • Thumbnail for Inflation Reduction Act
    The Inflation Reduction Act of 2022 (IRA) is a United States federal law which aims to reduce the federal government budget deficit, lower prescription...
    217 KB (22,780 words) - 13:45, 30 April 2025
  • this space requirement. The idea is to define a reduction function R that maps hash values back into values in P. Note, however, that the reduction function...
    24 KB (3,485 words) - 19:40, 2 April 2025
  • {n \over b})} space. Because b = 1 2 log ⁡ n {\displaystyle b={1 \over 2}\log n} , O ( n b log ⁡ n b ) {\displaystyle O({n \over b}\log {n \over b})}...
    24 KB (2,991 words) - 12:38, 19 April 2025