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20 results for “Computational complexity theory”

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math.COcs.CCTheoreticalRecentJul 10, 2026

Cut-homotopies and the complexity of edge-coloring problems

Alexey Barsukov, Roman Feller, Maximilian Hadek, Davide Perinti

The paper shows that every problem asking if a given graph has an edge-coloring without an edge-colored clique from a fixed family is poly-time equivalent to a Constraint Satisfaction Problem, resulti…

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cs.ITcs.CCTheoreticalRecentJun 22, 2026

Tighter Bounds for Algorithmic Complexity Estimation Using a Reusable Code-Based Block Decomposition Method

Eduardo Yuji Sakabe, Felipe S. Abrahão, Santiago Hernández-Orozco, Ricardo Gudwin +1 more

The authors extend the Block Decomposition Method (BDM) to utilize dependencies between blocks to reduce description length.

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cs.DScs.CCcs.ITTheoreticalRecentJun 9, 2026

A Unified Lower Bound on the Noisy Query Complexity of Boolean Functions

Yuzhou Gu, Xin Li, Yinzhan Xu

The paper provides a general lower bound on the noisy query complexity of Boolean functions in the noisy query model.

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cs.CCmath.NTTheoreticalRecentAug 12, 2026

Euclidean SVP is deterministically NP-hard to approximate within any constant factor

Daqing Wan

The Euclidean shortest vector problem is deterministically NP-hard to approximate within any constant factor for arbitrary constants.

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cs.DCcs.CCcs.FLTheoreticalRecentJun 9, 2026

Generalizing LCL Complexity Gaps to Unbounded Degree via Monadic Second-Order Properties

Chiara Piombi

The authors extend the LOCAL model to unbounded degree graphs using Presburger monadic second-order (PMSO) formulas.

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cs.CCTheoreticalRecentJul 4, 2026

Additional properties of parity based bit-counting complexity classes and hierarchies

Tayfun Pay

The paper studies properties of parity based bit-counting complexity classes B|0|⊕P and B|1|⊕P, proves inclusions and closures, and shows they contain PH and are contained in CH.

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cs.CCmath.COTheoreticalRecentJun 28, 2026

On the Complexity of Counting Orderings in Graphs

Marcelo Arenas, María Alejandra Schild, Bernardo Subercaseaux

This paper shows #P-completeness for several graph counting problems using a new technique.

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cs.FLcs.CCTheoreticalRecentJun 30, 2026

Complexity of Universality and Related Decision Problems for Unary Two-Dimensional Automata

Taylor J. Smith

This paper studies the decidability and complexity properties of unary three-way and two-way deterministic and nondeterministic two-dimensional automata.

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math.OCcs.DMmath.ACTheoreticalRecentJun 15, 2026

Testing the max-flow min-cut property and the replication conjecture

Ahmad Abdi, Tamás Schwarcz

The authors verify the replication conjecture for cuboids of degree at most 9 and clutters over at most 10 elements.

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cs.DMmath.COTheoreticalRecentJul 18, 2026

Neighbourhood complexity and identification problems for graphs of bounded treewidth and pathwidth

Gaétan Berthe, Florent Foucaud, Tuomo Lehtilä, Aline Parreau

This paper provides bounds on the neighborhood complexity of graphs with bounded treewidth and pathwidth, and constructs reaching these bounds.

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math.OCcs.DSTheoreticalRecentOct 19, 2026

Solving Classes of Linear Programs with Strongly Polynomial Straight Line Complexity in Strongly Polynomial Time

Daniel Dadush, Zhuan Khye Koh, Bento Natura, Neil Olver +1 more

This paper presents an initialization framework and rounding procedure for interior point methods in linear programming, ensuring strongly polynomial time complexity.

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cs.CCcs.DSTheoreticalRecentAug 5, 2026

On the Approximability of Boolean Max-$k$-CSP

Ainesh Bakshi

This paper presents a polynomial time algorithm for maximizing the number of satisfied constraints in a boolean constraint satisfaction problem, achieving a $(k/2^k)$-approximation.

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cs.CCRecentMay 31, 2026

On the Complexity of Recurrence Evaluation

Artem Parfenov, Michael Vyalyi

This paper analyzes the computational complexity of evaluating recurrent functions, showing that the complexity depends heavily on how the input offsets are encoded and the structure of the recurrence…

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