Multigraded syzygies of toric embeddings
Recent Developments in Commutative Algebra April 15, 2024 - April 19, 2024
Location: SLMath: Eisenbud Auditorium, Online/Virtual
Multigraded syzygies of toric embeddings
A smooth normal toric variety X is determined by a multigraded polynomial ring S and a monomial ideal encoded by the fan of X. When a normal toric variety Y is embedded into X, recent results show that the multigraded free S-resolution of the ideal for Y has an abundance of rich combinatorial structure. We will explain the important geometric implications provided by this large new suite of explicit cellular resolutions over multigraded rings, which includes a generalization of Beilinson's resolution of the diagonal for projective space. This is ongoing joint work with Lauren Cranton Heller, Mahrud Sayrafi, Greg Smith, and Jay Yang.
Multigraded syzygies of toric embeddings
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