• In computational complexity theory, a polynomial-time reduction is a method for solving one problem using another. One shows that if a hypothetical subroutine...
    11 KB (1,472 words) - 23:39, 6 June 2023
  • Thumbnail for NP-completeness
    term reduction was used in the technical meaning of a polynomial-time many-one reduction. Another type of reduction is polynomial-time Turing reduction. A...
    30 KB (3,617 words) - 20:05, 16 January 2025
  • Thumbnail for NP-hardness
    non-deterministic polynomial-time, there is a polynomial-time reduction from L to H. That is, assuming a solution for H takes 1 unit time, H's solution can...
    9 KB (1,119 words) - 00:35, 28 April 2025
  • within the hierarchy have complete problems (with respect to polynomial-time reductions) that ask if quantified Boolean formulae hold, for formulae with...
    17 KB (2,826 words) - 18:03, 6 May 2025
  • computational complexity theory of counting problems, a polynomial-time counting reduction is a type of reduction (a transformation from one problem to another)...
    6 KB (753 words) - 17:17, 12 February 2022
  • reductions are also polynomial-time reductions. However, log-space reductions are probably weaker than polynomial-time reductions; while any non-empty, non-full...
    5 KB (747 words) - 04:35, 12 May 2025
  • Thumbnail for Reductionism
    assumes the form of e.g. polynomial-time reduction. Further, in the even more practical domain of software development, reduction can be seen as the inverse...
    29 KB (3,263 words) - 01:34, 27 April 2025
  • version of the shortest vector problem (SVP) in a lattice (a polynomial-time reduction from this SVP problem to the RLWE problem has been presented)...
    20 KB (2,962 words) - 05:31, 7 May 2025
  • Thumbnail for Reduction (complexity)
    used (m : many-one reduction, p : polynomial reduction). The mathematical structure generated on a set of problems by the reductions of a particular type...
    11 KB (1,658 words) - 21:46, 20 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
  • P-complete under polynomial-time reductions. If we use NC reductions, that is, reductions which can operate in polylogarithmic time on a parallel computer...
    13 KB (1,976 words) - 03:36, 13 May 2025
  • computer science, a polynomial-time algorithm is – generally speaking – an algorithm whose running time is upper-bounded by some polynomial function of the...
    6 KB (1,011 words) - 04:14, 27 February 2025
  • 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
  • Thumbnail for Light Up (puzzle)
    Light Up puzzle is solvable is NP-complete. This is proved by a polynomial-time reduction from Circuit-SAT, which is known to be NP-complete, to Light Up...
    6 KB (914 words) - 13:18, 12 August 2024
  • In computer science (particularly algorithmics), a polynomial-time approximation scheme (PTAS) is a type of approximation algorithm for optimization problems...
    6 KB (752 words) - 13:09, 19 December 2024
  • Thumbnail for Complexity class
    can vary based on resource bounds, such as polynomial-time reductions and log-space reductions. Reductions motivate the concept of a problem being hard...
    75 KB (10,382 words) - 21:14, 20 April 2025
  • Polynomial-time function problems are fundamental in defining polynomial-time reductions, which are used in turn to define the class of NP-complete problems...
    3 KB (354 words) - 07:12, 17 October 2024
  • symbols Order theory Partially ordered set Directional symbols Polynomial-time reduction Cooley, Brandon. "Ordered Sets" (PDF) (Lecture note for: Introduction...
    7 KB (193 words) - 10:53, 12 February 2024
  • if L is in co-NP and for any problem in co-NP, there exists a polynomial-time reduction from that problem to L. Determining if a formula in propositional...
    7 KB (964 words) - 05:30, 9 May 2025
  • may refer to: Polynomial-time approximation scheme, an approximation algorithm in computer science Pesetas, Spanish currency PTAS reduction, an approximation-preserving...
    390 bytes (71 words) - 04:08, 21 September 2023
  • Thumbnail for Decision problem
    this reduction is more liberal than the standard reduction used in computational complexity (sometimes called polynomial-time many-one reduction); for...
    10 KB (1,263 words) - 10:27, 14 May 2025
  • polynomial-time non-deterministic Turing machine. The problem is #P-hard, meaning that every other problem in #P has a Turing reduction or polynomial-time...
    7 KB (849 words) - 16:01, 27 November 2024
  • and is in fact complete for exponential space with respect to polynomial-time reduction. For a fixed finite alphabet, the theory of the set of all languages...
    29 KB (3,424 words) - 23:25, 20 April 2025
  • is computationally equivalent to factoring N (in the sense of polynomial-time reduction). Hence it can be proven that the Rabin collection is one-way...
    14 KB (1,956 words) - 16:22, 30 March 2025
  • is NP-complete. Schaefer gives a construction allowing an easy polynomial-time reduction from 3-SAT to one-in-three 3-SAT. Let "(x or y or z)" be a clause...
    13 KB (673 words) - 17:41, 8 May 2025
  • parameter k is said to admit a linear vertex kernel if there is a polynomial time reduction, called a kernelization algorithm, that maps the input instance...
    11 KB (1,390 words) - 03:09, 18 March 2024
  • Thumbnail for PP (complexity)
    machine in polynomial time, with an error probability of less than 1/2 for all instances. The abbreviation PP refers to probabilistic polynomial time. The complexity...
    16 KB (2,345 words) - 23:47, 3 April 2025
  • polylogarithmic polynomial polynomial-time approximation scheme (PTAS) polynomial hierarchy polynomial time polynomial-time Church–Turing thesis polynomial-time reduction...
    35 KB (3,135 words) - 18:46, 6 May 2025
  • Thumbnail for Stephen Cook
    Proving Procedures", Cook formalized the notions of polynomial-time reduction (also known as Cook reduction) and NP-completeness, and proved the existence...
    16 KB (1,540 words) - 18:01, 27 April 2025
  • show the Valiant–Vazirani theorem: there exists a randomized polynomial-time reduction from the satisfiability problem for Boolean formulas to the problem...
    14 KB (1,903 words) - 06:33, 14 April 2025