AGC (Algebra, Geometry and Combinatorics) Seminar: Monday, October 19, 2026, at 14.15. Ragnar Freij-Hollanti: Derived matroids, hypergraphical matroids and adjoint lattices. Aalto University, Undergraduate Centre (Otakaari 1), room M3 (M234). https://math.aalto.fi/en/research/discrete/seminars/agc/
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