Suchergebnisse - 68Q25: Analysis of algorithms AND problem complexity

  1. 1

    NP-hardness of deciding convexity of quartic polynomials and related problems von Ahmadi, Amir Ali, Olshevsky, Alex, Parrilo, Pablo A., Tsitsiklis, John N.

    ISSN: 0025-5610, 1436-4646
    Veröffentlicht: Berlin/Heidelberg Springer-Verlag 01.02.2013
    Veröffentlicht in Mathematical programming (01.02.2013)
    “… ) is globally convex. This solves a problem that has been open since 1992 when N. Z. Shor asked for the complexity of deciding convexity for quartic polynomials …”
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  2. 2

    (Re)packing Equal Disks into Rectangle von Fomin, Fedor V., Golovach, Petr A., Inamdar, Tanmay, Saurabh, Saket, Zehavi, Meirav

    ISSN: 0179-5376, 1432-0444
    Veröffentlicht: New York Springer US 01.12.2024
    Veröffentlicht in Discrete & computational geometry (01.12.2024)
    “… The problem of packing of equal disks (or circles) into a rectangle is a fundamental geometric problem …”
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  3. 3

    Worst-case complexity of an SQP method for nonlinear equality constrained stochastic optimization von Curtis, Frank E., O’Neill, Michael J., Robinson, Daniel P.

    ISSN: 0025-5610, 1436-4646
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.05.2024
    Veröffentlicht in Mathematical programming (01.05.2024)
    “… ) algorithm that has been designed for solving optimization problems involving a stochastic objective function and deterministic nonlinear equality constraints …”
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  4. 4

    HODLR3D: hierarchical matrices for N-body problems in three dimensions von A, Kandappan V., Gujjula, Vaishnavi, Ambikasaran, Sivaram

    ISSN: 1017-1398, 1572-9265
    Veröffentlicht: New York Springer US 01.12.2024
    Veröffentlicht in Numerical algorithms (01.12.2024)
    “… This article introduces HODLR3D, a class of hierarchical matrices arising out of N -body problems in three dimensions …”
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  5. 5

    Complexity of a projected Newton-CG method for optimization with bounds von Xie, Yue, Wright, Stephen J.

    ISSN: 0025-5610, 1436-4646
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2024
    Veröffentlicht in Mathematical programming (01.09.2024)
    “… This paper describes a method for solving smooth nonconvex minimization problems subject to bound constraints with good worst-case complexity guarantees and practical performance …”
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  6. 6

    A Lower Bound on the Complexity of Testing Grained Distributions von Goldreich, Oded, Ron, Dana

    ISSN: 1016-3328, 1420-8954
    Veröffentlicht: Cham Springer International Publishing 01.12.2023
    Veröffentlicht in Computational complexity (01.12.2023)
    “… For a natural number m , a distribution is called m -grained, if each element appears with probability that is an integer multiple of 1 / m . We prove that, …”
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  7. 7

    A Complexity Trichotomy for k-Regular Asymmetric Spin Systems Using Number Theory von Cai, Jin-Yi, Fu, Zhiguo, Girstmair, Kurt, Kowalczyk, Michael

    ISSN: 1016-3328, 1420-8954
    Veröffentlicht: Cham Springer International Publishing 01.06.2023
    Veröffentlicht in Computational complexity (01.06.2023)
    “… cannot be both rational multiples of π. We use this number theoretic result to prove a classification of the computational complexity of spin systems on k -regular graphs with general …”
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  8. 8

    Diverse collections in matroids and graphs von Fomin, Fedor V., Golovach, Petr A., Panolan, Fahad, Philip, Geevarghese, Saurabh, Saket

    ISSN: 0025-5610, 1436-4646
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.03.2024
    Veröffentlicht in Mathematical programming (01.03.2024)
    “… We investigate the parameterized complexity of finding diverse sets of solutions to three fundamental combinatorial problems …”
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  9. 9

    On a Hierarchy of Spectral Isomorphism Invariants von Arvind, V., Fuhlbrück, Frank, Köbler, Johannes, Verbitsky, Oleg

    ISSN: 1016-3328, 1420-8954
    Veröffentlicht: Cham Springer International Publishing 01.12.2025
    Veröffentlicht in Computational complexity (01.12.2025)
    “… with the 2-dimensional Weisfeiler-Leman algorithm, extending the recent work of Rattan and Seppelt (SODA 2023). As another application of the characterization, we prove that almost …”
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  10. 10

    A cost-scaling algorithm for computing the degree of determinants von Hirai, Hiroshi, Ikeda, Motoki

    ISSN: 1016-3328, 1420-8954
    Veröffentlicht: Cham Springer International Publishing 01.12.2022
    Veröffentlicht in Computational complexity (01.12.2022)
    “… for t . This problem generalizes noncommutative Edmonds' problem and fundamental combinatorial optimization problems including the weighted linear matroid intersection problem …”
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  11. 11

    Absolute reconstruction for sums of powers of linear forms: degree 3 and beyond von Koiran, Pascal, Saha, Subhayan

    ISSN: 1016-3328, 1420-8954
    Veröffentlicht: Cham Springer International Publishing 01.12.2023
    Veröffentlicht in Computational complexity (01.12.2023)
    “… We give a randomised algorithm for the following problem: If a homogeneous polynomial f ∈ K [ x 1 , . . . , x n ] (where K ⊆ C …”
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  12. 12

    The Power of Natural Properties as Oracles von Impagliazzo, Russell, Kabanets, Valentine, Volkovich, Ilya

    ISSN: 1016-3328, 1420-8954
    Veröffentlicht: Cham Springer International Publishing 01.12.2023
    Veröffentlicht in Computational complexity (01.12.2023)
    “… ) or its special case, the Minimal Circuit Size Problem (MCSP). We show that in a number of complexity-theoretic results that use the SAT oracle, one can use the MCSP oracle instead …”
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  13. 13

    Subquadratic-Time Algorithms for Normal Bases von Giesbrecht, Mark, Jamshidpey, Armin, Schost, Éric

    ISSN: 1016-3328, 1420-8954
    Veröffentlicht: Cham Springer International Publishing 01.06.2021
    Veröffentlicht in Computational complexity (01.06.2021)
    “… forms an F-basis of K. Such an α is called a normal element , and G · α is a normal basis . We introduce a probabilistic algorithm for testing whether a given …”
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  14. 14

    A deterministic algorithm for the discrete logarithm problem in a semigroup von Tinani, Simran, Rosenthal, Joachim

    ISSN: 1862-2984, 1862-2976, 1862-2984
    Veröffentlicht: Berlin De Gruyter 01.07.2022
    Veröffentlicht in Journal of mathematical cryptology (01.07.2022)
    “… The best general algorithms which solve this problem have a time complexity of and a space complexity of , where is the order of the group …”
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  15. 15

    Low rank matrix completion by alternating steepest descent methods von Tanner, Jared, Wei, Ke

    ISSN: 1063-5203, 1096-603X
    Veröffentlicht: Elsevier Inc 01.03.2016
    Veröffentlicht in Applied and computational harmonic analysis (01.03.2016)
    “… In this paper, we introduce an alternating steepest descent algorithm (ASD) and a scaled variant, ScaledASD, for the fixed-rank matrix completion problem …”
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  16. 16

    Zeros and approximations of Holant polynomials on the complex plane von Casel, Katrin, Fischbeck, Philipp, Friedrich, Tobias, Göbel, Andreas, Lagodzinski, J. A. Gregor

    ISSN: 1016-3328, 1420-8954
    Veröffentlicht: Cham Springer International Publishing 01.12.2022
    Veröffentlicht in Computational complexity (01.12.2022)
    “… small external field) and approximation algorithms for general Holant problems with small signature weights …”
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  17. 17

    Rigid continuation paths II. structured polynomial systems von Bürgisser, Peter, Cucker, Felipe, Lairez, Pierre

    ISSN: 2050-5086, 2050-5086
    Veröffentlicht: Cambridge, UK Cambridge University Press 01.01.2023
    Veröffentlicht in Forum of Mathematics, Pi (01.01.2023)
    “… This work studies the average complexity of solving structured polynomial systems that are characterised by a low evaluation cost, as opposed to the dense random model previously used …”
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  18. 18

    On semiring complexity of Schur polynomials von Fomin, Sergey, Grigoriev, Dima, Nogneng, Dorian, Schost, Éric

    ISSN: 1016-3328, 1420-8954
    Veröffentlicht: Cham Springer International Publishing 01.12.2018
    Veröffentlicht in Computational complexity (01.12.2018)
    “… Semiring complexity is the version of arithmetic circuit complexity that allows only two operations …”
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  19. 19

    Euclidean TSP in Narrow Strips von Alkema, Henk, de Berg, Mark, van der Hofstad, Remco, Kisfaludi-Bak, Sándor

    ISSN: 0179-5376, 1432-0444
    Veröffentlicht: New York Springer US 01.06.2024
    Veröffentlicht in Discrete & computational geometry (01.06.2024)
    “… We investigate how the complexity of Euclidean TSP for point sets P inside the strip ( - ∞ , + ∞ ) × [ 0 , δ …”
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  20. 20

    Lower Bounds and PIT for Non-commutative Arithmetic Circuits with Restricted Parse Trees von Lagarde, Guillaume, Limaye, Nutan, Srinivasan, Srikanth

    ISSN: 1016-3328, 1420-8954
    Veröffentlicht: Cham Springer International Publishing 01.09.2019
    Veröffentlicht in Computational complexity (01.09.2019)
    “… . [Electronic Colloquium on Comput Complexity (ECCC) vol 23, no 94, 2016 ], who prove such a result …”
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