View Proposal #212

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ID212
First NameSiu-Hung (Richard)
Last NameNg
InstitutionIowa State University
Speaker Categoryfaculty
Title of TalkCounting the number of solutions in a finite group
AbstractThe notion of Frobenius-Schur (FS)-indicators of a finite group representation has been developed for more than a century. These indicators can be obtained by counting the number of solutions x of the equation x^n=g in a finite group. Moreover, the second indicators can be used to construct topological invariants of surfaces. It was not known until recently that they are invariants of the tensor categories of finite group representations. In the talk, we will give a brief history of these indicators and their new developments.
Subject area(s)
Suitable for undergraduates?Yes
Day Preference
Computer Needed?
Bringing a laptop?
Overhead Needed?
Software requests
Special Needs
Date Submitted4/5/2007
Year2007