science (particularly algorithmics), a polynomial-time approximation scheme (PTAS) is a type of approximation algorithm for optimization problems (most...
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A fully polynomial-time approximation scheme (FPTAS) is an algorithm for finding approximate solutions to function problems, especially optimization problems...
35 KB (5,027 words) - 17:46, 28 October 2024
Ulrich; Speranza, Maria Grazia (2003-03-01). "An efficient fully polynomial approximation scheme for the Subset-Sum Problem". Journal of Computer and System...
25 KB (3,791 words) - 18:09, 13 November 2024
Knapsack problem (redirect from Approximation algorithms for the knapsack problem)
pseudo-polynomial time algorithm using dynamic programming. There is a fully polynomial-time approximation scheme, which uses the pseudo-polynomial time algorithm...
47 KB (7,559 words) - 20:40, 18 November 2024
does not even have a pseudo-polynomial time algorithm. It also does not have a fully-polynomial time approximation scheme. An example is the 3-partition...
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Strong NP-completeness (section Strong and weak NP-hardness vs. strong and weak polynomial-time algorithms)
does not even have a pseudo-polynomial time algorithm. It also does not have a fully-polynomial time approximation scheme. An example is the 3-partition...
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Weak NP-completeness (section Strong and weak NP-hardness vs. strong and weak polynomial-time algorithms)
does not even have a pseudo-polynomial time algorithm. It also does not have a fully-polynomial time approximation scheme. An example is the 3-partition...
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Independent set (graph theory) (redirect from Approximation algorithms for the maximum independent set problem)
have a fully polynomial-time approximation scheme with randomization (FPRAS), even on graphs with maximal degree six; however it does have an fully polynomial-time...
30 KB (3,561 words) - 23:07, 16 October 2024
Clique problem (redirect from Approximation algorithms for the clique problem)
compute, it cannot have a fully polynomial-time approximation scheme, unless P = NP. If too accurate an approximation were available, rounding its value...
84 KB (9,905 words) - 17:15, 23 September 2024
Klaus; Solis-Oba, Roberto (2002-11-21). "An Asymptotic Fully Polynomial Time Approximation Scheme for Bin Covering". Proceedings of the 13th International...
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(QPTAS) is a variant of a polynomial-time approximation scheme whose running time is quasi-polynomial rather than polynomial. Problems with a QPTAS include...
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the Leontief market exchange problem does not have a fully polynomial-time approximation scheme, unless PPAD ⊆ P. On the other hand, there are algorithms...
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Partition problem (redirect from Approximations algorithms for the partition problem)
for better solutions. Some variations of this idea are fully polynomial-time approximation schemes for the subset-sum problem, and hence for the partition...
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a fully polynomial-time approximation scheme (FPRAS), even assuming that each variable occurs in at most 6 clauses, but that a fully polynomial-time approximation...
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assumption, this rules out the possibility of a fully polynomial time randomised approximation scheme (FPRAS). There is no FPRAS for computing P ( G ...
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sparse game is PPAD-hard, and that there does not exist a fully polynomial-time approximation scheme unless PPAD is in P. In symmetric games all players are...
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reduction from 3-partition. This means that they have no fully polynomial-time approximation scheme (FPTAS) unless P=NP. Even when m=2, the problems do not...
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♯P-complete (section Approximation)
have a fully polynomial-time randomized approximation scheme, or "FPRAS," which, informally, will produce with high probability an approximation to an...
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Homomorphic encryption (redirect from Fully homomorphic encryption)
the BGV and BFV schemes. The rescaling operation makes CKKS scheme the most efficient method for evaluating polynomial approximations, and is the preferred...
40 KB (4,409 words) - 00:38, 14 November 2024
has a pseudo-polynomial time algorithm based on dynamic programming. For n = 2, the problem has a fully polynomial-time approximation scheme. There are...
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be solved in polynomial time through linear programming, or through (typically much faster) fully polynomial time approximation schemes. Multicommodity...
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algorithm is a fully polynomial-time randomized approximation scheme (fpras). Several computational problems are associated with the Tutte polynomial. The most...
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Subdivisions Approximate Polygonal Subdivisions: A Simple Polynomial-Time Approximation Scheme for Geometric TSP, k-MST, and Related Problems", SIAM Journal...
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the tournaments was proven to have polynomial time approximation schemes (PTAS). One can achieve an approximation ratio of 1/3 (in expectation) by ordering...
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is thought to be hard to solve efficiently, even with approximation factors that are polynomial in n {\displaystyle n} , and even with a quantum computer...
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Programming Formulation Guarantee the Existence of a Fully Polynomial Time Approximation Scheme (FPTAS)?". INFORMS Journal on Computing. 12 (1): 57–74...
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polylogarithmic polynomial polynomial-time approximation scheme (PTAS) polynomial hierarchy polynomial time polynomial-time Church–Turing thesis polynomial-time reduction...
35 KB (3,137 words) - 09:36, 21 October 2024
Klaus; Solis-Oba, Roberto (2002-11-21). "An Asymptotic Fully Polynomial Time Approximation Scheme for Bin Covering". Algorithms and Computation. Lecture...
16 KB (2,473 words) - 03:30, 6 January 2024
Matching (graph theory) (category Polynomial-time problems)
its biadjacency matrix. However, there exists a fully polynomial time randomized approximation scheme for counting the number of bipartite matchings....
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Minimum-weight triangulation (redirect from Approximation algorithms for the minimum-weight triangulation problem)
approximate solution with relative approximation error at most O(1/n2). Thus, a fully polynomial approximation scheme for minimum weight triangulation is...
29 KB (3,289 words) - 12:57, 15 January 2024