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Existence of subspace designs

Event Category:
Discrete Math Seminar
Ashwin Sah

We prove the existence of subspace designs with any given parameters, provided that the dimension of the underlying space is sufficiently large in terms of the other parameters of the design and satisfies the obvious necessary divisibility conditions. This settles an open problem from the 1970s. Moreover, we also obtain an approximate formula for the number of such designs. Joint work with Peter Keevash and Mehtaab Sawhney.

Friday, February 10, 2023 - 2:30pm
LGRT 1528