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Maxence Mayrand (University of Oxford, UK)
Date & Time
Fri, 31 March 2017, 15:30 to 16:30
Emmy Noether Seminar Room, ICTS Campus, Bangalore

Nahm equations are the reduction of the self-dual Yang-Mills equations to one-dimension. By considering the moduli space of solutions to such equations on different intervals and with appropriate boundary conditions, we get a plethora of examples of hyperkahler manifolds. I will review this theory and link it with an interesting conjectural TQFT with values in a category of hyperkahler manifolds. Finally, I will introduce a family of stratified hyperkahler spaces constructed with Nahm equations and whose stratification can be described explicitly using combinatorial data associated to a root system.