Search Results - 68Q25: Analysis of algorithms and problem complexity*
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NP-hardness of deciding convexity of quartic polynomials and related problems
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer-Verlag 01.02.2013Published 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
(Re)packing Equal Disks into Rectangle
ISSN: 0179-5376, 1432-0444Published: New York Springer US 01.12.2024Published 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
Worst-case complexity of an SQP method for nonlinear equality constrained stochastic optimization
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.05.2024Published 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
Complexity of a projected Newton-CG method for optimization with bounds
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2024Published 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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5
A Lower Bound on the Complexity of Testing Grained Distributions
ISSN: 1016-3328, 1420-8954Published: Cham Springer International Publishing 01.12.2023Published 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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A Complexity Trichotomy for k-Regular Asymmetric Spin Systems Using Number Theory
ISSN: 1016-3328, 1420-8954Published: Cham Springer International Publishing 01.06.2023Published 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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7
HODLR3D: hierarchical matrices for N-body problems in three dimensions
ISSN: 1017-1398, 1572-9265Published: New York Springer US 01.12.2024Published 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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Diverse collections in matroids and graphs
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.03.2024Published 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
On a Hierarchy of Spectral Isomorphism Invariants
ISSN: 1016-3328, 1420-8954Published: Cham Springer International Publishing 01.12.2025Published 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
A cost-scaling algorithm for computing the degree of determinants
ISSN: 1016-3328, 1420-8954Published: Cham Springer International Publishing 01.12.2022Published 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
Absolute reconstruction for sums of powers of linear forms: degree 3 and beyond
ISSN: 1016-3328, 1420-8954Published: Cham Springer International Publishing 01.12.2023Published 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
The Power of Natural Properties as Oracles
ISSN: 1016-3328, 1420-8954Published: Cham Springer International Publishing 01.12.2023Published 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
Subquadratic-Time Algorithms for Normal Bases
ISSN: 1016-3328, 1420-8954Published: Cham Springer International Publishing 01.06.2021Published 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
A deterministic algorithm for the discrete logarithm problem in a semigroup
ISSN: 1862-2984, 1862-2976, 1862-2984Published: Berlin De Gruyter 01.07.2022Published 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
Zeros and approximations of Holant polynomials on the complex plane
ISSN: 1016-3328, 1420-8954Published: Cham Springer International Publishing 01.12.2022Published in Computational complexity (01.12.2022)“… small external field) and approximation algorithms for general Holant problems with small signature weights…”
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16
On semiring complexity of Schur polynomials
ISSN: 1016-3328, 1420-8954Published: Cham Springer International Publishing 01.12.2018Published in Computational complexity (01.12.2018)“…Semiring complexity is the version of arithmetic circuit complexity that allows only two operations…”
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17
Rigid continuation paths II. structured polynomial systems
ISSN: 2050-5086, 2050-5086Published: Cambridge, UK Cambridge University Press 01.01.2023Published 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
Complexity of first-order inexact Lagrangian and penalty methods for conic convex programming
ISSN: 1055-6788, 1029-4937Published: Abingdon Taylor & Francis 04.03.2019Published in Optimization methods & software (04.03.2019)“…In this paper we present a complete iteration complexity analysis of inexact first-order Lagrangian and penalty methods for solving cone-constrained convex problems that have or…”
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19
A single cut proximal bundle method for stochastic convex composite optimization
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.11.2024Published in Mathematical programming (01.11.2024)“…) methods for solving it. Complexity guarantees are established for them without requiring knowledge of parameters associated with the problem instance…”
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20
Lower Bounds and PIT for Non-commutative Arithmetic Circuits with Restricted Parse Trees
ISSN: 1016-3328, 1420-8954Published: Cham Springer International Publishing 01.09.2019Published 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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