Cohomology, Hodge decomposition, and the not-so-famous Netflix problem

Speaker: 
Bernat Guillen Pegueroles
Date: 
Sep 27 2016 - 12:30pm
Event type: 
Graduate Student Seminar
Room: 
Fine Hall 214
Abstract: 

I will talk about how and why two (generally) abstract concepts from algebraic/differential topology become linear algebra problems and how are they related to Arrow's impossibility theorem and generating a ranking of movies.