Speaker:  Marcelo Aguiar, Cornell University
Title: Möbius functions for real hyperplane arrangements
Time: 2:30 PM, Monday, October 29, 2018
Place:  Malott 206

Abstract: We discuss the beginnings of a theory of noncommutative Möbius functions and its connections to the structure of the algebra of faces of a hyperplane arrangement. It is to be seen as a generalization of the theory of Möbius functions for lattices, developed by Rota and his school in the 70's. Joint work with Swapneel Mahajan.