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~ similar to 2607.07576· 20 results

math.COcs.DMTheoreticalRecentJun 25, 2026

Totally Disjoint Diametral Paths

Tınaz Ekim, Arthur Farley

This paper studies the problem of finding totally disjoint diametral paths in simple connected graphs and provides algorithms for certain classes of graphs.

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cs.CCcs.DSTheoreticalRecentJul 2, 2026

Partition Rank and Algebraic Circuit Lower Bounds

Cornelius Brand, Petteri Kaski, Jiaheng Wang

This paper connects a generalized notion of tensor rank with multiplicative complexity, enabling control of arithmetic complexity in any constant degree of multilinearity and applications to fine-grai…

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cs.DScs.CCcs.DMTheoreticalRecentJun 26, 2026

Maximum Cut Algorithms and Upper Bounds for Planar and Toroidal Graphs

Mark Glass, Meir Feder

The authors map the problem of finding the maximum cut of a planar graph with arbitrary weights to a minimum T-join problem in the absolute dual graph, enabling the use of shortest paths and adapting…

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cs.DCcs.ITcs.NITheoreticalRecentJun 19, 2026

Constant-Time Certificate Selection for Local Broadcast Repair in Dense Gaussian and Eisenstein--Jacobi Networks

Bader Albader

This paper introduces constant-time certificate selectors for repairing faults in Dense Gaussian and Eisenstein--Jacobi networks, allowing for efficient and effective repair with a bounded number of e…

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cs.DMcs.LOmath.COTheoreticalRecentJul 3, 2026

Oddomorphisms, Split-Off Minors, and the Strong Roberson Conjecture

Arnar Á. Kristjánsson

The paper shows that an oddomorphism between graphs does not imply graph minor containment and introduces a new structural relation called split-off minor.

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cs.CCTheoreticalRecentJul 7, 2026

A Lower Bound for Read-Once Parity Branching Programs

Ben Lee Volk

This paper proves a new lower bound of $ ildeΩ(n^2)$ for read-once parity branching programs on boolean functions, improving upon the previous bound of $ ildeΩ(n^{1.5})$.

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math.COcs.ITTheoreticalRecentJul 15, 2026

Independent Sets in Multiset Profile Graphs via Weighted Local Covers

Aryeh Lev Zabokritskiy

This paper studies the maximum size of an independent set in the discrete simplex graph and provides new bounds using translated smaller graphs and finite rational linear systems.

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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.COcs.DMTheoreticalRecentJun 28, 2026

Improved Domination--Packing Bounds in Claw-Free Cubic Graphs and Unit Disk Graphs

Juan Gutiérrez, Kaustav Paul

This paper improves the known bounds on the ratio between domination number and packing number in unit disk graphs and bridgeless claw-free cubic graphs.

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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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