1. Eventually greedy best Egyptian underapproximations of rational numbers via optimal control
   2026/07/30 by Vjekoslav Kovač, Quanyu Tang · 1 voice
   Mathematics · #math.NT #math.CA #math.CO #math.OC
2. An improved range for the maximum critically t-intersecting hypergraphs
   2026/07/30 by Lu Lu, Rongrong Lu, Qifan Wang +1 · 1 voice
   Mathematics · #math.CO
3. Optimal Play in Hex on Finite and Infinite Boards
   2026/07/30 by Samuel Casco, Maria José Pacifico, Diego Sanhueza · 1 voice
   Mathematics · #math.CO
4. The Complexity of Kemeny Aggregation with Three Rankings
   2026/07/30 by Péter Madarasi · 1 voice
   Computer Science · Mathematics · #cs.CC #cs.DM #cs.GT #math.CO #math.OC
5. Settling the Optimal Exponent Relating Sumsets and Difference Sets
   2026/07/29 by Haowei Lin, Shanda Li · 1 voice
   Mathematics · #math.CO
6. Recent progress in graph theory using expansion
   2026/07/28 by Richard Montgomery · 1 citation
   #math.CO
7. Kazhdan-Lusztig polynomials of matroids need not be unimodal
   2026/07/27 by Ronnie Cheng, Shurui Liu · 1 voice
   Mathematics · #math.AG #math.CO #msc:05A20 #msc:05B25 #msc:05B35 #msc:14F43
8. Sharp small-deviation inequalities for sums of independent nonnegative random variables
   2026/07/27 by Weibo Fu, Yanjun Han, Guanyang Wang +3 · 2 citations
   #math.PR #math.CO
9. Multiplicative Subgroups of Prime Fields Are Not Sumsets
   2026/07/27 by Misha Rudnev, Fred Tyrrell · 1 citation
   #math.CO
10. Matroid flat counts are not unimodal
    2026/07/24 by Alexander Divoux, Chayim Lowen, Shouda Wang · 1 voice
    #math.CO
11. Chromatic symmetric functions of claw-free graphs are not Schur positive
    2026/07/23 by Jacob P. Matherne, Alejandro H. Morales · 1 voice · 1 citation
    #math.CO
12. Hereditary pattern-free classes are not always 2-wqo
    2026/07/24 by Robert Brignall · 1 citation
    #math.CO #cs.DM
13. Tight Hamilton Cycles in Linearly Quasirandom 3-Graphs
    2026/07/23 by Xichao Shu · 1 citation
    #math.CO
14. Improved lower bounds for the Shannon capacity of odd cycles
    2026/07/23 by Nathaniel Itty, Christopher D. Rosin, Chase Carstensen +1 · 1 citation
    Computer Science · Mathematics · #cs.AI #cs.DM #cs.IT #math.CO #math.IT
15. On the possible cardinalities of quantum Latin squares
    2026/07/22 by Yuyuan Zhang, Mingzhen Lv, Haitao Cao · 1 citation
    #math.CO
16. Combinatorial geometry of the 2D Toda lattice and Davey Stewartson equation
    2026/07/22 by Rodrigo Navarro Betancourt, Marvin Anas Hahn, Vera Posch +1 · 1 voice
    #nlin.SI #hep-th #math-ph #math.AG #math.CO #math.MP
17. (32-1)-Avoiding Permutations with Maximum Inversion Number
    2026/07/20 by Andrew Beveridge, Kristin Heysse, Paige Robertson · 1 citation
    #math.CO
18. A short survey the game Bulgarian solitaire and related games
    2026/07/19 by Romeo Meštrović · 1 voice
    #math.HO #math.CO #math.NT
19. Neighbourhood complexity and identification problems for graphs of bounded treewidth and pathwidth
    2026/07/18 by Gaétan Berthe, Florent Foucaud, Tuomo Lehtilä +1 · 1 voice
    #cs.DM #math.CO
20. A proof of the cycle double cover conjecture by OpenAI: An exposition
    2026/07/17 by Sang-il Oum · 1 voice
    #math.CO
21. Weighted Counting Formula and 2n/21 Lower Bound for Induced Subgraphs with Prescribed Degree Parities
    2026/07/17 by Gregory Gutin, Yiming Hao, Yacong Zhou · 1 citation
    #math.CO #cs.DM
22. Ehrhart h^*-distributions
    2026/07/17 by Benjamin Braun, Max Hlavacek, Cesar J. Meza +2 · 1 citation
    #math.CO
23. A Census of New Snake-in-the-Box Records
    2026/07/16 by Paul Orland, Lucas Fagan, Michele Tarquini +7 · 1 voice
    #cs.DM #math.CO
24. OpenAI's proof of the Cycle Double Cover Theorem
    2026/07/16 by Jim Geelen · 1 voice
    #math.CO
25. Roman-Type Domination on Convex and Chordal Bipartite Graphs: Algorithms and Hardness
    2026/07/16 by Gautam K. Das, Kamal Santra · 1 voice
    #cs.DM #math.CO
26. On Matrix Product Factorization in Association Schemes
    2026/07/16 by Allen W. Herman, Bobby Miraftab · 1 citation
    #math.CO
27. Lattice slices, Ehrhart polynomials, and magic positivity of generalized parking-function polytopes
    2026/07/16 by Charlie Hill, Ambrose Luo, Vu Trinh +1 · 1 citation
    #math.CO
28. A memorial tribute: Adriano Garsia (1928--2024)
    2026/07/15 by Hélène Barcelo, François Bergeron, Nantel Bergeron +14 · 2 voices
    #math.HO #math.CO
29. Interchange graphs of (0,1)-matrices are maximally Hamiltonian
    2026/07/14 by Jeffrey S. Baggett, Huiya Yan · 1 citation
    #math.CO #cs.DM
30. Ray and end spaces: characterizations and classification up to homeomorphism
    2026/07/13 by Matheus Duzi, Gabriel Fernandes, Paulo Magalhães Júnior · 1 voice
    #math.GN #math.CO #math.LO

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