https://mvallee1998.github.io/tags/mathematics---combinatorics/Recent content in Mathematics - Combinatorics on Mathieu Vallée - Mathematics webpageHugo -- 0.162.1enTue, 01 Sep 2026 00:00:00 +0000https://mvallee1998.github.io/papers/preprints/vallee_regular_2026/Tue, 01 Sep 2026 00:00:00 +0000https://mvallee1998.github.io/papers/preprints/vallee_regular_2026/Backman and Liu proved that every integral generalized permutohedron of type $A$, and in particular every matroid base polytope, admits a regular…https://mvallee1998.github.io/papers/preprints/choi_complement_2026/Sat, 01 Aug 2026 00:00:00 +0000https://mvallee1998.github.io/papers/preprints/choi_complement_2026/We prove that, up to row and column permutations and complement operations, the only complement minimally non-totally unimodular matrices are the cycle…https://mvallee1998.github.io/papers/preprints/choi_enumerating_2026/Wed, 01 Jul 2026 00:00:00 +0000https://mvallee1998.github.io/papers/preprints/choi_enumerating_2026/We introduce a binary matroid framework for the enumeration of mod $2$ toric-colorable seeds of fixed Picard number. Working with binary matroids up to…https://mvallee1998.github.io/papers/preprints/vallee_power_2026/Fri, 01 May 2026 00:00:00 +0000https://mvallee1998.github.io/papers/preprints/vallee_power_2026/We introduce a systematic method for constructing set-theoretic operads via iterated application of the power set functor, and use it to uncover a…