arXiv math.CO Combinatorics

Frederik Ravn Klausen, Noah Kravitz: Half-plane non-coexistence without FKG https://arxiv.org/abs/2602.12261 https://arxiv.org/pdf/2602.12261 https://arxiv.org/html/2602.12261

Naoki Kitazawa: On real algebraic realization of round fold maps of codimension $-1$ https://arxiv.org/abs/2602.12211 https://arxiv.org/pdf/2602.12211 https://arxiv.org/html/2602.12211

Ton That Quoc Tan: Independence Polynomials of graphs and degree of $h$-polynomials of edge ideals https://arxiv.org/abs/2602.12169 https://arxiv.org/pdf/2602.12169 https://arxiv.org/html/2602.12169

Zhi-Wei Sun, Yajun Zhou: Series involving central binomial coefficients and harmonic numbers of order 2 https://arxiv.org/abs/2602.12091 https://arxiv.org/pdf/2602.12091 https://arxiv.org/html/2602.12091

Grzegorz Gutowski, Miko{\l}aj Rams: A Note on the Complexity of Directed Clique https://arxiv.org/abs/2602.11773 https://arxiv.org/pdf/2602.11773 https://arxiv.org/html/2602.11773

Meike Hatzel, Stephan Kreutzer, Marcelo Garlet Milani, Irene Muzi: Cycles of Well-Linked Sets II: an Elementary Bound for the Directed Grid Theorem https://arxiv.org/abs/2602.11716 https://arxiv.org/pdf/2602.11716 https://arxiv.org/html/2602.11716

Jerry Chen, Kyle Hess, Matthew Romney: Metric geodesic covers of graphs https://arxiv.org/abs/2602.11657 https://arxiv.org/pdf/2602.11657 https://arxiv.org/html/2602.11657

Danila Cherkashin, Pavel Pozorov, Yana Teplitskaya: Universal Ahlfors--David regularity of Steiner trees https://arxiv.org/abs/2602.11294 https://arxiv.org/pdf/2602.11294 https://arxiv.org/html/2602.11294

Julia Gaudio, Charlie K. Guan: An Improved Upper Bound for the Euclidean TSP Constant Using Band Crossovers https://arxiv.org/abs/2602.11250 https://arxiv.org/pdf/2602.11250 https://arxiv.org/html/2602.11250

Nikhil Garg, Jon Kleinberg, Kenny Peng: How Many Features Can a Language Model Store Under the Linear Representation Hypothesis? https://arxiv.org/abs/2602.11246 https://arxiv.org/pdf/2602.11246 https://arxiv.org/html/2602.11246

Ivan Landjev, Emiliyan Rogachev, Assia Rousseva: A Chain Ring Analogue of the Erdos-Ko-Rado Theorem https://arxiv.org/abs/2602.12219 https://arxiv.org/pdf/2602.12219 https://arxiv.org/html/2602.12219

Benjamin Testart: On minimal pattern-containing inversion sequences https://arxiv.org/abs/2602.12130 https://arxiv.org/pdf/2602.12130 https://arxiv.org/html/2602.12130

Kathie Cameron, Ni Luh Dewi Sintiari, Sophie Spirkl: A positive instance of Scott's Conjecture on induced subdivisions https://arxiv.org/abs/2602.11990 https://arxiv.org/pdf/2602.11990 https://arxiv.org/html/2602.11990

Mykhaylo Tyomkyn: On plane rigidity matroids https://arxiv.org/abs/2602.11892 https://arxiv.org/pdf/2602.11892 https://arxiv.org/html/2602.11892

Julian Becker, Konstantinos Panagiotou, Matija Pasch: Improved Universal Graphs for Trees https://arxiv.org/abs/2602.11840 https://arxiv.org/pdf/2602.11840 https://arxiv.org/html/2602.11840

Mario Marietti: Grapes and Alexander duality https://arxiv.org/abs/2602.11830 https://arxiv.org/pdf/2602.11830 https://arxiv.org/html/2602.11830

Konstantin Kokhas, Olga Bursian: The partial gossip problem revisited https://arxiv.org/abs/2602.11827 https://arxiv.org/pdf/2602.11827 https://arxiv.org/html/2602.11827

S. Vidya, Sunny Kumar Sharma, Prasanna Poojary, Omaima Alshanqiti, G. R. Vadiraja Bhatta: Metric basis and dimension of barycentric subdivision of zero divisor graphs https://arxiv.org/abs/2602.11816 https://arxiv.org/pdf/2602.11816 https://arxiv.org/html/2602.11816

Eduard Inozemtsev, Andrey Kupavskii: Frankl's diversity theorem for permutations https://arxiv.org/abs/2602.11796 https://arxiv.org/pdf/2602.11796 https://arxiv.org/html/2602.11796

Dehai Liu, Jinhua Wang, Tian Yao: $s$-almost cross-$t$-intersecting families for vector spaces https://arxiv.org/abs/2602.11532 https://arxiv.org/pdf/2602.11532 https://arxiv.org/html/2602.11532

Ming-Zhu Chen, Ya-Lei Jin, Peng-Li Zhang, Xiao-Dong Zhang: Tur\'{a}n extremal graphs vs. Signless Laplacian spectral Tur\'{a}n extremal graphs https://arxiv.org/abs/2602.11502 https://arxiv.org/pdf/2602.11502 https://arxiv.org/html/2602.11502

Vigleik Angeltveit: An exact value for the Ramsey number $R(K_5, K_{5-e})$ https://arxiv.org/abs/2602.11459 https://arxiv.org/pdf/2602.11459 https://arxiv.org/html/2602.11459

Simon Gmeiner, Andreas S. Schulz: Block Stacking, Airplane Refueling, and Robust Appointment Scheduling https://arxiv.org/abs/2602.11366 https://arxiv.org/pdf/2602.11366 https://arxiv.org/html/2602.11366

Marek Filakovsk\'y: The Topology of $k$-Robust Clique Complexes in Grid-like Graphs https://arxiv.org/abs/2602.11365 https://arxiv.org/pdf/2602.11365 https://arxiv.org/html/2602.11365

Miklos Bona: Boolean-Narayana numbers https://arxiv.org/abs/2602.11355 https://arxiv.org/pdf/2602.11355 https://arxiv.org/html/2602.11355

Ivan Limonchenko, Ale\v{s} Vavpeti\v{c}: On the combinatorics of Murai spheres and its applications https://arxiv.org/abs/2602.11352 https://arxiv.org/pdf/2602.11352 https://arxiv.org/html/2602.11352

Miriam Abd\'on, Lilian Markenzon, Cybele T. M. Vinagre: Characterizing graphs with the second largest distance eigenvalue less than -1/2 https://arxiv.org/abs/2602.11331 https://arxiv.org/pdf/2602.11331 https://arxiv.org/html/2602.11331

[2026-02-13 Fri (UTC), 17 new articles found for mathCO Combinatorics]

Jean Cardinal, Micha Sharir: Implicit representations via the polynomial method https://arxiv.org/abs/2602.10922 https://arxiv.org/pdf/2602.10922 https://arxiv.org/html/2602.10922

Norifumi Ojiro: Combinatorial structure of low degree rational curves on a smooth Hermitian surface https://arxiv.org/abs/2602.10842 https://arxiv.org/pdf/2602.10842 https://arxiv.org/html/2602.10842