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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Bryce Frederickson, Liana Yepremyan: Generic solutions to symmetric linear equations arxiv.org/abs/2610.02177 arxiv.org/pdf/2610.02177 arxiv.org/html/2610.02177

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Ting-Wei Chao, Maya Sankar, Hung-Hsun Hans Yu: On Colorful Kruskal--Katona Theorems arxiv.org/abs/2610.02165 arxiv.org/pdf/2610.02165 arxiv.org/html/2610.02165

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Jonathan Niles-Weed, Shay Sadovsky, Jacob Shkrob: An optimal constant for vector balancing with permutations arxiv.org/abs/2610.02127 arxiv.org/pdf/2610.02127 arxiv.org/html/2610.02127

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Lina Li: Typical intersecting families at $n=2k+1$ and $n=2k+2$ arxiv.org/abs/2610.02119 arxiv.org/pdf/2610.02119 arxiv.org/html/2610.02119

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Leandro Aurichi, Rodrigo Santos Monteiro, Caio Fernando Rodrigues: Linear arboricity conjecture for infinite graphs arxiv.org/abs/2610.02065 arxiv.org/pdf/2610.02065 arxiv.org/html/2610.02065

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Jie Ma, Ziyuan Zhao: Linear circumference in vertex-transitive graphs arxiv.org/abs/2610.02053 arxiv.org/pdf/2610.02053 arxiv.org/html/2610.02053

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Sucharita Biswas, Umesh Shankar, Sivaramakrishnan Sivasubramanian: Matchings and shape-Wilf-Equivalence of sets of patterns of length three II: Quadruples and Quintuples arxiv.org/abs/2610.01996 arxiv.org/pdf/2610.01996 arxiv.org/html/2610.01996

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Yangyan Gu, Rongxing Xu: Improved upper bounds on the list chromatic number of $K_t$-minor-free graphs arxiv.org/abs/2610.01946 arxiv.org/pdf/2610.01946 arxiv.org/html/2610.01946

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Peter M. Higgins: Balanced weightings and permutation matchings applied to the monoid of order-preserving mappings arxiv.org/abs/2610.01912 arxiv.org/pdf/2610.01912 arxiv.org/html/2610.01912

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Weili Guo, Yupeng Wang, Zixuan Wang: An explicit basis for the extended Catalan arrangement of type Dl arxiv.org/abs/2610.01866 arxiv.org/pdf/2610.01866 arxiv.org/html/2610.01866

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Sean Dewar, Emiliano Liwski, Signe Lundqvist, Fatemeh Mohammadi: Matroid liftability and Oxley--Wang derived matroids, with connections to scene analysis arxiv.org/abs/2610.01854 arxiv.org/pdf/2610.01854 arxiv.org/html/2610.01854

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Goran Radi\'c, Aleksandra Tepeh: On $1$-limited and $(1,2)$-domination in cubic graphs arxiv.org/abs/2610.01796 arxiv.org/pdf/2610.01796 arxiv.org/html/2610.01796

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Xiaofang Jiang, Mihai Prunescu, Bogdan Dumitru: Recurrent two-dimensional sequences over three and four letters simulating von Neumann constructions of finite ordinals arxiv.org/abs/2610.01753 arxiv.org/pdf/2610.01753 arxiv.org/html/2610.01753

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Yury Person, Thomas Schweser: Intersecting integer partitions: star bounds and counterexamples at every scale arxiv.org/abs/2610.01747 arxiv.org/pdf/2610.01747 arxiv.org/html/2610.01747

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Mugdha Mahesh Pokharanakar: Cheeger constants and bipartiteness ratios of Cayley graphons arxiv.org/abs/2610.01745 arxiv.org/pdf/2610.01745 arxiv.org/html/2610.01745

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Haojun Bai, Peter L. Guo: $K$-$k$-Schur functions are $k$-Schur positive arxiv.org/abs/2610.01708 arxiv.org/pdf/2610.01708 arxiv.org/html/2610.01708

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Fredy Yip: Lower bounds for the magnitude of the minimum eigenvalue of graphs with applications to MaxCut and Chowla's cosine problem arxiv.org/abs/2610.01657 arxiv.org/pdf/2610.01657 arxiv.org/html/2610.01657

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Kai Zhang: A negative Schur coefficient for products of two chains arxiv.org/abs/2610.01617 arxiv.org/pdf/2610.01617 arxiv.org/html/2610.01617

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Dragana Bo\v{z}ovi\'{c}: On $k$-limited domination: complexity and Sierpi\'nski graphs arxiv.org/abs/2610.01584 arxiv.org/pdf/2610.01584 arxiv.org/html/2610.01584

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Wen Chen, Qizhong Lin, Shixi Song: Tight degeneracy bounds in online Ramsey games arxiv.org/abs/2610.01516 arxiv.org/pdf/2610.01516 arxiv.org/html/2610.01516

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Gordana Radi\'c: An improved lower and upper bound of the k-limited domination number arxiv.org/abs/2610.01442 arxiv.org/pdf/2610.01442 arxiv.org/html/2610.01442

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Grahame Erskine, Terry S. Griggs: Automorphisms of pentagonal geometries with block size 3 arxiv.org/abs/2610.01390 arxiv.org/pdf/2610.01390 arxiv.org/html/2610.01390

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Aida Abiad, Wouter Castryck, Maarten De Boeck, Antonina Khramova, Thijs van Veluw: A unified framework for existing and new constructions of Neumaier graphs arxiv.org/abs/2610.01273 arxiv.org/pdf/2610.01273 arxiv.org/html/2610.01273

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Tom Verhoeff: A proof of Lehmer's permutation conjecture for neighbor-swap graphs arxiv.org/abs/2610.01240 arxiv.org/pdf/2610.01240 arxiv.org/html/2610.01240

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Yicen Ma: A Proof of the Third Borwein Conjecture arxiv.org/abs/2610.01156 arxiv.org/pdf/2610.01156 arxiv.org/html/2610.01156

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Huaibin Zhou, Xiumei Wang: Perfect matching covers of claw-free cubic graphs arxiv.org/abs/2610.01137 arxiv.org/pdf/2610.01137 arxiv.org/html/2610.01137

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Subhankar Dash, Kaushik Majumder: Upper Bounds on the Tur\'{a}n Density of Hypergraphs Associated with the Projective Plane over a Finite Field arxiv.org/abs/2610.01084 arxiv.org/pdf/2610.01084 arxiv.org/html/2610.01084

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Yue Dong, Lily Li Liu, Tongyuan Zhao: Descent Tops and Pinnacles on 2143- and 3421-Avoiding Permutations arxiv.org/abs/2610.01077 arxiv.org/pdf/2610.01077 arxiv.org/html/2610.01077

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Amin Bahmanian, Sho Suda: A Hadamard Cube of Order 22 arxiv.org/abs/2610.01065 arxiv.org/pdf/2610.01065 arxiv.org/html/2610.01065

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Zhuoran Han, Yaojun Chen: Degree-square Tur\'an problem for two self-converse tournaments arxiv.org/abs/2610.01047 arxiv.org/pdf/2610.01047 arxiv.org/html/2610.01047

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Philip B. Zhang, Tongyuan Zhao: Zeros and interlacing for multiset Eulerian-Narayana polynomials arxiv.org/abs/2610.00966 arxiv.org/pdf/2610.00966 arxiv.org/html/2610.00966

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Tuan Tran: The threshold for fractional clique decompositions of random hypergraphs, via matrix scaling arxiv.org/abs/2610.00924 arxiv.org/pdf/2610.00924 arxiv.org/html/2610.00924

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Tanya Khovanova, Tejo Madhavarapu: Fair Duels after a False Start arxiv.org/abs/2610.00880 arxiv.org/pdf/2610.00880 arxiv.org/html/2610.00880

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Qi Zhou: The least signless Laplacian eigenvalue of $\{C_3,C_5\}$-free graphs arxiv.org/abs/2610.00875 arxiv.org/pdf/2610.00875 arxiv.org/html/2610.00875

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Kerem Kat: Reversing the Mostar line-graph inequality with long pendant paths arxiv.org/abs/2610.00829 arxiv.org/pdf/2610.00829 arxiv.org/html/2610.00829

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Bahar Acu, Puttipong Pongtanapaisan, Ritikaa Singhal: Ascending, Bridge, and Unknotting Numbers of Knotted Graphs arxiv.org/abs/2610.00788 arxiv.org/pdf/2610.00788 arxiv.org/html/2610.00788

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Daniel Yaqubi, Madjid Mirzavaziri: Riordan Arrays and Shifted Hankel Determinants of OEIS A005773 arxiv.org/abs/2610.00775 arxiv.org/pdf/2610.00775 arxiv.org/html/2610.00775

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Jan Kyn\v{c}l, Carolina Medina, Gelasio Salazar: $k$-arrangements of pseudolines and pseudocircles arxiv.org/abs/2610.00773 arxiv.org/pdf/2610.00773 arxiv.org/html/2610.00773

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Charlene Chu, Yael Karshon: A Pick-type theorem for halfway-lattice polygons arxiv.org/abs/2610.00696 arxiv.org/pdf/2610.00696 arxiv.org/html/2610.00696

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Natasha Crepeau: Stability conditions and subdivisions of Lawrence polytopes arxiv.org/abs/2610.00591 arxiv.org/pdf/2610.00591 arxiv.org/html/2610.00591

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Ernesto Lupercio, Evgeniya Shaydurova: Seven Coincidences and Sixty Symmetries arxiv.org/abs/2610.00572 arxiv.org/pdf/2610.00572 arxiv.org/html/2610.00572

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Xiaodi Song, Cristina Dalf\'o, Miquel \`{A}ngel Fiol, Shenggui Zhang: The Algebraic Connectivity and Laplacian Spectral Radius of Token Graphs arxiv.org/abs/2610.00500 arxiv.org/pdf/2610.00500 arxiv.org/html/2610.00500

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Gleb Smirnov: Optimal discrepancy for triangles arxiv.org/abs/2610.00375 arxiv.org/pdf/2610.00375 arxiv.org/html/2610.00375

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Qiyue Tang: Laurentness of Svinin's even-order recurrences arxiv.org/abs/2610.00307 arxiv.org/pdf/2610.00307 arxiv.org/html/2610.00307

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

M. M. Koshelev, A. M. Raigorodskii: Probability threshold for the stability of $\alpha(G(n,r,s))$ arxiv.org/abs/2610.00144 arxiv.org/pdf/2610.00144 arxiv.org/html/2610.00144

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Pingping Shao, Chengye Zhao: Counting Weight-$k$ Italian Dominating Sets on Trees and Cycles arxiv.org/abs/2610.00108 arxiv.org/pdf/2610.00108 arxiv.org/html/2610.00108

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

Hu Tan, Ying Zhang: Periodic Joint Co-tiles of Independent Tiles arxiv.org/abs/2610.00099 arxiv.org/pdf/2610.00099 arxiv.org/html/2610.00099

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

James Alexander Schreib: The Borowiecki-Broere Generalized Total Coloring Conjecture for Planar Graphs arxiv.org/abs/2610.00091 arxiv.org/pdf/2610.00091 arxiv.org/html/2610.00091

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

James Alexander Schreib: A Counterexample to Wormald's Conjecture arxiv.org/abs/2610.00086 arxiv.org/pdf/2610.00086 arxiv.org/html/2610.00086

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arXiv math.CO Combinatorics @mathco-bot.bsky.social · 02/10/2026

[2026-10-02 Fri (UTC), 49 new articles found for mathCO Combinatorics]

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