arXiv math.CO Combinatorics

Boon Suan Ho: Erd\H{o}s's diameter conjecture for separated distances fails ... arxiv.org/abs/2604.15305

Wenzhi Liu, et al.: On the m-point convexity arxiv.org/abs/2604.15205 Beck, Klivans, Ross: A matroidal twist on a formula of Brion arxiv.org/abs/2604.15253 en.wikipedia.org/wiki/Mathemati…

The 1-2-3 conjecture for polygonal tilings arxiv.org/abs/2604.15138 Qing-Hu Hou, Zhi-Wei Sun: Evaluations of some series via the WZ method arxiv.org/abs/2604.15172 en.wikipedia.org/wiki/Mathemati…

Akiyoshi Tsuchiya: Gorenstein Simplices and Even Binary Self-Complementary Codes arxiv.org/abs/2604.15005 Han, Lin, Ma, Zhang: A Hypergraph Container Method on Spread SAT: Approximation and... arxiv.org/abs/2604.15031 en.wikipedia.org/wiki/Mathemati…

Cai, Guo, Lai, Zhou: Tight spectral conditions for the Hamiltonicity of $K_{1,r}$-f... arxiv.org/abs/2604.14763 Felix Joos, Xinyue Xie: Counting tight Hamilton cycles in Dirac hypergraphs arxiv.org/abs/2604.14978 en.wikipedia.org/wiki/Mathemati…

Cai, Lin, Zhou: Unbalanced signed bipartite graphs containing no negative $C_4... arxiv.org/abs/2604.14673 Dede, Popat: Locally Equienergetic Graphs arxiv.org/abs/2604.14686 en.wikipedia.org/wiki/Mathemati…

Wang, Yu: New results on proper orientation number of graphs arxiv.org/abs/2604.14670 Majer, Novaga: On the independence number of de Bruijn graphs arxiv.org/abs/2604.14671 en.wikipedia.org/wiki/Mathemati…

Orbits and incidence matrices for points, planes and lines reg... arxiv.org/abs/2604.14628 Byun, Poznanovi\'c: Unimodality and log-concavity of generalized Glasby-Paseman se... arxiv.org/abs/2604.14639 en.wikipedia.org/wiki/Mathemati…

Dougherty, Root: Noncrossing Partitions From Hull Configurations arxiv.org/abs/2604.14458 Michael Dougherty, et al.: Noncrossing Partitions From Cones and Semicircles arxiv.org/abs/2604.14462 en.wikipedia.org/wiki/Mathemati…

Csaba Bir\'o, et al.: Infinite graphs with finite metric dimension arxiv.org/abs/2604.14405 Todd Hildebrant: Transfer Operators and Independence Polynomials for Strong Pow... arxiv.org/abs/2604.14416 en.wikipedia.org/wiki/Mathemati…

Dougherty, McCammond: The Geometry of Rectangular Multisets arxiv.org/abs/2604.14383 Piero Giacomelli: Log-Concavity and Infinite Log-Concavity of Linear Recurrent S... arxiv.org/abs/2604.14391 en.wikipedia.org/wiki/Mathemati…

Singh, Singh, Tiwari: $RD_\alpha$-Spectra of Joined Union Graphs with Applications t... arxiv.org/abs/2604.14195 David Gonzalez: Enumerative Combinatorics of Homogeneous Linear Orderings arxiv.org/abs/2604.14255 en.wikipedia.org/wiki/Mathemati…

[2026-04-17 Fri (UTC), 23 new articles found for mathCO Combinatorics]

Huaning Liu, Lirong Guo, Zilong Liu: On the Scalability of Quasi-Complementary Sequence Sets: Quadratic and Cubic Laws arxiv.org/abs/2604.14042 arxiv.org/pdf/2604.14042 arxiv.org/html/2604.14042

Alan Frieze, Ross Kang, Aditya Raut, Michelle Sweering, Hilde Verbeek: Coloring powers of random graphs arxiv.org/abs/2604.14006 arxiv.org/pdf/2604.14006 arxiv.org/html/2604.14006

Merlin Michalski, Christophe Dubussy: General formulas for the instability minimum of Chip-firing games arxiv.org/abs/2604.13949 arxiv.org/pdf/2604.13949 arxiv.org/html/2604.13949

Alice Drera, Pablo Spiga: Some remarks on the orbit dimension of transitive groups and on the metric dimension of Johnson graphs arxiv.org/abs/2604.13887 arxiv.org/pdf/2604.13887 arxiv.org/html/2604.13887

Yanbo Zhang, Yaojun Chen: New bounds for Ramsey numbers involving graphs with a center arxiv.org/abs/2604.13850 arxiv.org/pdf/2604.13850 arxiv.org/html/2604.13850

Huiqiu Lin, Hongliang Lu, Feihong Yuan, Xiaonan Zhao: A local spectral condition for perfect matchings in 3-graphs arxiv.org/abs/2604.13726 arxiv.org/pdf/2604.13726 arxiv.org/html/2604.13726

Raphael Steiner: Openly disjoint cycles through a vertex in regular digraphs arxiv.org/abs/2604.13700 arxiv.org/pdf/2604.13700 arxiv.org/html/2604.13700