3 papers
math.OA2012
Continuous minimax theorems
Madhushree Basu, V. S. Sunder
In classical matrix theory, there exist useful extremal characterizations of eigenvalues and their sums for Hermitian matrices (due to Ky Fan, Courant-Fischer-Weyl and Wielandt) an…
math.OA2011
Some explicit computations and models of free products
Madhushree Basu
In this note, we first work out some `bare hands' computations of the most elementary possible free products involving ) and $M_2 ~(=…
math.OA2011
From graphs to free products
Madhushree Basu, Vijay Kodiyalam, V. S. Sunder
We investigate a construction which associates a finite von Neumann algebra to a finite weighted graph . Pleasantly, but not surprisingly, the von Neumann algebra a…