Topology and Related Topics Seminar

Tuesday, 17  October  2023, 2:30 pm

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Venue: Ramanujan hall

Host: Rekha Santhanam

Speaker: Navnath Daundkar

Affiliation: IIT Bombay

Title: Cohomology of moment angle complexes - II

Abstract: This talk is a continuation of the previous session on 
"Cohomology of moment angle complexes." We will present a cellular 
structure on a moment angle complex associated with a simplicial complex 
$K$ and prove that the corresponding cellular cochain algebra is a 
quotient of the Koszul algebra of the Stanley-Reisner ring of $K$.

Commutative Algebra seminar

Tuesday, 17 Oct. 3.30-4.45 pm

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Venue: Ramanujan Hall

Host: Tony Puthenpurakal

Speaker: Jugal Verma, IIT Bombay

Title: The Grothendieck-Serre formula for Hilbert functions

Abstract: We will prove the Grothendieck-Serre formula for Hilbert 
functions of finite graded modules over graded Noetherian rings.