In 1998 Shuzhou Wang, in his pioneering work, introduced quantum symmetry groups of
finite spaces motivated by a general question posed by Alain Connes: *what is the
quantum automorphism group of a space?* By finite spaces, here we mean
finite-dimensional C*-algebras. Wangâ€™s results have initiated several fundamental
developments in operator algebras, quantum groups and noncommutative geometry. Let
us consider a generalised situation where we shall equip the finite spaces with a
continuous action of the circle group. This talk aims to understand the object that
captures the quantum symmetries of these systems and their applications.

The video of this talk is available on the IISc Math Department channel.

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Last updated: 11 Dec 2023