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20 results for “induced Erdős--Pósa property”

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math.COcs.DMTheoreticalRecentJul 8, 2026

Induced Erdős--Pósa property for long holes, long thetas, and beyond

Jadwiga Czyżewska, Tomáš Masařík, Marcin Pilipczuk, Amadeus Reinald +1 more

This paper shows that for every fixed length t, cycles Ct and thetas Θt have the induced Erdős--Pósa property with respect to the induced minor relation in graphs.

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math.COcs.DMTheoreticalRecentJul 8, 2026

An Erdős-Pósa theorem for cycles and faces of distinct lengths

J. Pascal Gollin, Maximilian Gorsky, Meike Hatzel, Kevin Hendrey +5 more

This paper shows that for every graph, there exist a certain number of vertex-disjoint cycles of different lengths, or a smaller set of vertices such that the graph without these vertices has fewer cy…

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cs.DMmath.COTheoreticalRecentJul 26, 2026

Set-defined graph classes: $χ$-boundedness meets tropical algebra

Sarosh Adenwalla, Samuel Braunfeld, Tomáš Hons, John Sylvester +1 more

This paper studies set-defined graph classes and proves that bounded unions of shift-colorable graphs form the fundamental obstruction to chromatic number boundness in these classes.

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cs.CCcs.DMTheoreticalRecentJul 21, 2026

The Complexity of Domatic Criticality

Holger Spakowski

This paper investigates the complexity of recognizing domatically critical graphs, which are graphs with maximum dominating sets that cannot be increased by deleting any edge.

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math.COcs.DMmath.CTTheoreticalRecentJul 9, 2026

Subword representations and weak hypercube dimension for acyclic categories

Isaac Carcacía-Campos

This paper introduces a new way to represent finite posets as subwords of finite words in categories, and characterizes the monic categories that admit this representation.

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cs.ITmath.COTheoreticalRecentJun 23, 2026

Minimal additive codes and additive strong blocking sets

Gianira N. Alfarano, Marine Le Meur

This paper introduces minimal additive codes over Fqh and establishes a one-to-one correspondence between minimal additive codes and additive strong blocking sets. It also compares this framework with…

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math.COcs.CCcs.DMTheoreticalRecentJun 28, 2026

Toward a KKL Theorem for any HDX

Max Hopkins

This paper introduces a local-to-global method for analyzing low influence functions on simplicial complexes and proves a local-to-global KKL-type Theorem.

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cs.CCTheoreticalRecentJul 26, 2026

New and Improved Concrete Lower Bounds for Orthogonal Vectors

Tameem Choudhury, Nutan Limaye, Karteek Sreenivasaiah, Srikanth Srinivasan

This paper unconditionally proves the Orthogonal Vectors and Monotone Orthogonal Vectors conjectures in concrete computational models, and provides stronger lower bounds for Boolean formulas and branc…

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cs.LOcs.AIcs.PLTheoreticalRecentJul 26, 2026

Formalizing Flag Algebras in Lean

Gyeongwon Jeong, Seonghun Park, Jihoon Hyun, Sang-il Oum +1 more

The paper formalizes Razborov's flag algebra method for finite simple graphs and creates a compiler to transform certificate data into algebraic proofs checked by Lean.

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cs.CRquant-phRecentApr 17, 2026

Module Lattice Security (Part I): Unconditional Verification of Weber's Conjecture for $k \le 12$

Ming-Xing Luo

This paper provides the first unconditional proof for Weber's Conjecture for the case $k ext{ up to } 12$, which is crucial for lattice-based cryptography.

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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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math.COcs.DMTheoreticalRecentJul 19, 2026

Strong edge-colouring via local flag algebras

Eoin Davey, Eoin Hurley, Rémi de Joannis de Verclos, Ross J. Kang +1 more

This paper uses local flag algebra to prove bounds on the strong chromatic index of graphs, making progress towards established conjectures for general, bipartite, and asymmetric bipartite graphs.

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cs.DMcs.CGTheoreticalRecentJun 11, 2026

On the Counting Sequence of Z-convex Polyominoes

Luca Castelli, Paolo Massazza

This paper presents a set of formulas and equations to compute the longest counting sequence of convex polyominoes of degree of convexity at most 2.

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cs.DMTheoreticalRecentJun 27, 2026

Learning Unions of Intersecting Affine Modules in One Dimension with Queries

Eva González, Montserrat Hermo, Anthony Lin

This paper shows that finite unions of intersecting affine modules in one dimension are efficiently exactly learnable using equivalence and subset queries.

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cs.CRcs.ITRecentMar 24, 2026

The Power of Power Codes: New Classes of Easy Instances for the Linear Equivalence Problem

Michele Battagliola, Anna-Lena Horlemann, Abhinaba Mazumder, Rocco Mora +3 more

This paper identifies new, algebraically weak classes of instances for the Linear Equivalence Problem (LEP) by generalizing techniques from the Permutation Equivalence Problem (PEP) using power codes…

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