Index Theory and the essential spectrum

06.07.2018, 10:30 Uhr  –  Haus 9, Raum 2.22
Arbeitsgruppenseminar Analysis

Alan Carey (ANU, Adelaide)

In condensed matter theory physicists have speculated on the relationshipbetween spectral flow and the Fredholm index in situations where the operators in question have essential spectrum and may not even be Fredholm. I will explain how their puzzles might be answered.