14.01.2026, 14:00 - 15:15
– Campus Golm, Building 9, Room 2.22 and via Zoom
Institutskolloquium
Getting to the chore of things
Christian Mercat (Claude Bernard University Lyon 1)
Claudio Dappiaggi (Pavia)
We apply the algebraic approach to construct the algebra of observables associated to non linear Sigma models. In particular we discuss the notion of Wick polynomials and their realization in terms of the so-called Hadamard regularization.