arXiv math.CO Combinatorics
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[2025-11-28 Fri (UTC), no new articles found for mathCO Combinatorics]
November 28, 2025 at 6:42 AM
[2025-11-28 Fri (UTC), no new articles found for mathCO Combinatorics]
Reposted by arXiv math.CO Combinatorics
Brian Ransom: On BPI in Symmetric Extensions Part 1 https://arxiv.org/abs/2511.21684 https://arxiv.org/pdf/2511.21684 https://arxiv.org/html/2511.21684
November 27, 2025 at 6:39 AM
Brian Ransom: On BPI in Symmetric Extensions Part 1 https://arxiv.org/abs/2511.21684 https://arxiv.org/pdf/2511.21684 https://arxiv.org/html/2511.21684
Reposted by arXiv math.CO Combinatorics
Ryan Alweiss: New Obstacles to Multiple Recurrence https://arxiv.org/abs/2511.21680 https://arxiv.org/pdf/2511.21680 https://arxiv.org/html/2511.21680
November 27, 2025 at 6:38 AM
Ryan Alweiss: New Obstacles to Multiple Recurrence https://arxiv.org/abs/2511.21680 https://arxiv.org/pdf/2511.21680 https://arxiv.org/html/2511.21680
Reposted by arXiv math.CO Combinatorics
Guy Goldberg, Tom Gur, Sidhant Saraogi: Nearly Tight Lower Bounds for Relaxed Locally Decodable Codes via Robust Daisies https://arxiv.org/abs/2511.21659 https://arxiv.org/pdf/2511.21659 https://arxiv.org/html/2511.21659
November 27, 2025 at 6:29 AM
Guy Goldberg, Tom Gur, Sidhant Saraogi: Nearly Tight Lower Bounds for Relaxed Locally Decodable Codes via Robust Daisies https://arxiv.org/abs/2511.21659 https://arxiv.org/pdf/2511.21659 https://arxiv.org/html/2511.21659
Reposted by arXiv math.CO Combinatorics
William O'Regan, Pablo Shmerkin, Hong Wang: Simple proofs of discretised projection theorems https://arxiv.org/abs/2511.21656 https://arxiv.org/pdf/2511.21656 https://arxiv.org/html/2511.21656
November 27, 2025 at 6:37 AM
William O'Regan, Pablo Shmerkin, Hong Wang: Simple proofs of discretised projection theorems https://arxiv.org/abs/2511.21656 https://arxiv.org/pdf/2511.21656 https://arxiv.org/html/2511.21656
Reposted by arXiv math.CO Combinatorics
Rafael L. de Paula, Claudia M. Justel, Carla S. Oliveira, Milena S. Carauba: $k$-path graphs: experiments and conjectures about algebraic connectivity and $\alpha$-index https://arxiv.org/abs/2511.21524 https://arxiv.org/pdf/2511.21524 https://arxiv.org/html/2511.21524
November 27, 2025 at 6:31 AM
Rafael L. de Paula, Claudia M. Justel, Carla S. Oliveira, Milena S. Carauba: $k$-path graphs: experiments and conjectures about algebraic connectivity and $\alpha$-index https://arxiv.org/abs/2511.21524 https://arxiv.org/pdf/2511.21524 https://arxiv.org/html/2511.21524
Reposted by arXiv math.CO Combinatorics
Lorenzo Carlucci, Giordano Celli: Weihrauch reducibility between Ramsey-type theorems and well-ordering principles at the level of $\Sigma^0_2$-induction: A pilot study https://arxiv.org/abs/2511.21481 https://arxiv.org/pdf/2511.21481 https://arxiv.org/html/2511.21481
November 27, 2025 at 6:39 AM
Lorenzo Carlucci, Giordano Celli: Weihrauch reducibility between Ramsey-type theorems and well-ordering principles at the level of $\Sigma^0_2$-induction: A pilot study https://arxiv.org/abs/2511.21481 https://arxiv.org/pdf/2511.21481 https://arxiv.org/html/2511.21481
Reposted by arXiv math.CO Combinatorics
William Da Silva, Xingjian Hu, Ellen Powell, Mo Dick Wong: Scaling limits of critical FK-decorated random planar maps with $q=4$ https://arxiv.org/abs/2511.21480 https://arxiv.org/pdf/2511.21480 https://arxiv.org/html/2511.21480
November 27, 2025 at 6:40 AM
William Da Silva, Xingjian Hu, Ellen Powell, Mo Dick Wong: Scaling limits of critical FK-decorated random planar maps with $q=4$ https://arxiv.org/abs/2511.21480 https://arxiv.org/pdf/2511.21480 https://arxiv.org/html/2511.21480
Reposted by arXiv math.CO Combinatorics
Alheydis Geiger, Francesca Zaffalon: The Self-Projecting Grassmannian https://arxiv.org/abs/2511.21442 https://arxiv.org/pdf/2511.21442 https://arxiv.org/html/2511.21442
November 27, 2025 at 6:36 AM
Alheydis Geiger, Francesca Zaffalon: The Self-Projecting Grassmannian https://arxiv.org/abs/2511.21442 https://arxiv.org/pdf/2511.21442 https://arxiv.org/html/2511.21442
Reposted by arXiv math.CO Combinatorics
Mathieu Hoyrup: Local generation of languages https://arxiv.org/abs/2511.21226 https://arxiv.org/pdf/2511.21226 https://arxiv.org/html/2511.21226
November 27, 2025 at 6:31 AM
Mathieu Hoyrup: Local generation of languages https://arxiv.org/abs/2511.21226 https://arxiv.org/pdf/2511.21226 https://arxiv.org/html/2511.21226
Reposted by arXiv math.CO Combinatorics
Takeshi Ikeda, Shinsuke Iwao, Mark Shimozono: Equivariant homology of the symplectic affine Grassmannian and dual affine Schur $P$-functions https://arxiv.org/abs/2511.20966 https://arxiv.org/pdf/2511.20966 https://arxiv.org/html/2511.20966
November 27, 2025 at 6:40 AM
Takeshi Ikeda, Shinsuke Iwao, Mark Shimozono: Equivariant homology of the symplectic affine Grassmannian and dual affine Schur $P$-functions https://arxiv.org/abs/2511.20966 https://arxiv.org/pdf/2511.20966 https://arxiv.org/html/2511.20966
Reposted by arXiv math.CO Combinatorics
Bence De\'ak, P\'eter Madarasi: Quadratic-Time Algorithm for the Maximum-Weight $(k, \ell)$-Sparse Subgraph Problem https://arxiv.org/abs/2511.20882 https://arxiv.org/pdf/2511.20882 https://arxiv.org/html/2511.20882
November 27, 2025 at 6:31 AM
Bence De\'ak, P\'eter Madarasi: Quadratic-Time Algorithm for the Maximum-Weight $(k, \ell)$-Sparse Subgraph Problem https://arxiv.org/abs/2511.20882 https://arxiv.org/pdf/2511.20882 https://arxiv.org/html/2511.20882
Reposted by arXiv math.CO Combinatorics
Robert Schneider: Partition-theoretic model of prime distribution, II https://arxiv.org/abs/2511.20829 https://arxiv.org/pdf/2511.20829 https://arxiv.org/html/2511.20829
November 27, 2025 at 6:39 AM
Robert Schneider: Partition-theoretic model of prime distribution, II https://arxiv.org/abs/2511.20829 https://arxiv.org/pdf/2511.20829 https://arxiv.org/html/2511.20829
Andrey Kupavskii, Georgy Sokolov: A complete solution of the Erd\H{o}s-Kleitman matching problem for $n\le 3s$ https://arxiv.org/abs/2511.21628 https://arxiv.org/pdf/2511.21628 https://arxiv.org/html/2511.21628
November 27, 2025 at 6:37 AM
Andrey Kupavskii, Georgy Sokolov: A complete solution of the Erd\H{o}s-Kleitman matching problem for $n\le 3s$ https://arxiv.org/abs/2511.21628 https://arxiv.org/pdf/2511.21628 https://arxiv.org/html/2511.21628
Freddie Illingworth, Arjun Ranganathan, Leo Versteegen, Ella Williams: Relative Tur\'an densities for ordered graphs: all and nothing https://arxiv.org/abs/2511.21571 https://arxiv.org/pdf/2511.21571 https://arxiv.org/html/2511.21571
November 27, 2025 at 6:37 AM
Freddie Illingworth, Arjun Ranganathan, Leo Versteegen, Ella Williams: Relative Tur\'an densities for ordered graphs: all and nothing https://arxiv.org/abs/2511.21571 https://arxiv.org/pdf/2511.21571 https://arxiv.org/html/2511.21571
Stephen Brittain, Robert S. Coulter, Alice Man Wa Hui: A PTR polynomial for the Hughes planes and a new class of permutation polynomials involving Catalan numbers https://arxiv.org/abs/2511.21470 https://arxiv.org/pdf/2511.21470 https://arxiv.org/html/2511.21470
November 27, 2025 at 6:37 AM
Stephen Brittain, Robert S. Coulter, Alice Man Wa Hui: A PTR polynomial for the Hughes planes and a new class of permutation polynomials involving Catalan numbers https://arxiv.org/abs/2511.21470 https://arxiv.org/pdf/2511.21470 https://arxiv.org/html/2511.21470
Fei Ma: On existence of neutral graph https://arxiv.org/abs/2511.21426 https://arxiv.org/pdf/2511.21426 https://arxiv.org/html/2511.21426
November 27, 2025 at 6:37 AM
Fei Ma: On existence of neutral graph https://arxiv.org/abs/2511.21426 https://arxiv.org/pdf/2511.21426 https://arxiv.org/html/2511.21426
Arthur Forey, Javier Fres\'an, Emmanuel Kowalski, Yuval Wigderson: Spectrally indistinguishable pseudorandom graphs https://arxiv.org/abs/2511.21351 https://arxiv.org/pdf/2511.21351 https://arxiv.org/html/2511.21351
November 27, 2025 at 6:37 AM
Arthur Forey, Javier Fres\'an, Emmanuel Kowalski, Yuval Wigderson: Spectrally indistinguishable pseudorandom graphs https://arxiv.org/abs/2511.21351 https://arxiv.org/pdf/2511.21351 https://arxiv.org/html/2511.21351
Benjamin Hollering, Elia Mazzucchelli, Matteo Parisi, Bernd Sturmfels: Varieties of Lines in 3-Space https://arxiv.org/abs/2511.21333 https://arxiv.org/pdf/2511.21333 https://arxiv.org/html/2511.21333
November 27, 2025 at 6:37 AM
Benjamin Hollering, Elia Mazzucchelli, Matteo Parisi, Bernd Sturmfels: Varieties of Lines in 3-Space https://arxiv.org/abs/2511.21333 https://arxiv.org/pdf/2511.21333 https://arxiv.org/html/2511.21333
Swathi Shetty, Sayinath Udupa N. V., B. R. Rakshith: Secure coalitions in graphs https://arxiv.org/abs/2511.21170 https://arxiv.org/pdf/2511.21170 https://arxiv.org/html/2511.21170
November 27, 2025 at 6:37 AM
Swathi Shetty, Sayinath Udupa N. V., B. R. Rakshith: Secure coalitions in graphs https://arxiv.org/abs/2511.21170 https://arxiv.org/pdf/2511.21170 https://arxiv.org/html/2511.21170
Stijn Cambie, Jan Goedgebeur, Jorik Jooken, Tibo Van den Eede: On the order-diameter ratio of girth-diameter cages https://arxiv.org/abs/2511.21144 https://arxiv.org/pdf/2511.21144 https://arxiv.org/html/2511.21144
November 27, 2025 at 6:37 AM
Stijn Cambie, Jan Goedgebeur, Jorik Jooken, Tibo Van den Eede: On the order-diameter ratio of girth-diameter cages https://arxiv.org/abs/2511.21144 https://arxiv.org/pdf/2511.21144 https://arxiv.org/html/2511.21144
Swathi Shetty, Sayinath Udupa N. V., B. R. Rakshith: On Coalition Graphs and Coalition Count of Graphs https://arxiv.org/abs/2511.21112 https://arxiv.org/pdf/2511.21112 https://arxiv.org/html/2511.21112
November 27, 2025 at 6:37 AM
Swathi Shetty, Sayinath Udupa N. V., B. R. Rakshith: On Coalition Graphs and Coalition Count of Graphs https://arxiv.org/abs/2511.21112 https://arxiv.org/pdf/2511.21112 https://arxiv.org/html/2511.21112
Caihong Yang, Jiasheng Zeng, Xiao-Dong Zhang: A hypergraph analogue of Alon-Frankl Theorem https://arxiv.org/abs/2511.21096 https://arxiv.org/pdf/2511.21096 https://arxiv.org/html/2511.21096
November 27, 2025 at 6:37 AM
Caihong Yang, Jiasheng Zeng, Xiao-Dong Zhang: A hypergraph analogue of Alon-Frankl Theorem https://arxiv.org/abs/2511.21096 https://arxiv.org/pdf/2511.21096 https://arxiv.org/html/2511.21096
J\'ozsef Balogh, Peter Bradshaw, Ramon I. Garcia, Bernard Lidick\'y: Density of rainbow triangles and properly colored $K_4$'s https://arxiv.org/abs/2511.21061 https://arxiv.org/pdf/2511.21061 https://arxiv.org/html/2511.21061
November 27, 2025 at 6:37 AM
J\'ozsef Balogh, Peter Bradshaw, Ramon I. Garcia, Bernard Lidick\'y: Density of rainbow triangles and properly colored $K_4$'s https://arxiv.org/abs/2511.21061 https://arxiv.org/pdf/2511.21061 https://arxiv.org/html/2511.21061
Davis Brown, Jesse He, Helen Jenne, Henry Kvinge, Max Vargas: Even with AI, Bijection Discovery is Still Hard: The Opportunities and Challenges of OpenEvolve for Novel Bijection Construction https://arxiv.org/abs/2511.20987 https://arxiv.org/pdf/2511.20987 https://arxiv.org/html/2511.20987
November 27, 2025 at 6:37 AM
Davis Brown, Jesse He, Helen Jenne, Henry Kvinge, Max Vargas: Even with AI, Bijection Discovery is Still Hard: The Opportunities and Challenges of OpenEvolve for Novel Bijection Construction https://arxiv.org/abs/2511.20987 https://arxiv.org/pdf/2511.20987 https://arxiv.org/html/2511.20987