Giulian Wiggins will give the Seminar’s fourth talk in Semester 2 tomorrow afternoon on Zoom. Please find the details below. Anyone desiring to attend the talk or join the mailing list is warmly invited to get in touch: ciappara@maths.usyd.edu.au. Title: Bott periodicity Abstract: Using Bott periodicity we construct a generalised cohomology theory whose zero-th part is the group K(B) defined last lecture. Time and date: 3 pm Wednesday 09 September Seminar website: https://www.maths.usyd.edu.au/u/ciappara/SAS.html