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Renormalisation in Regularity Structures
Prof. Lorenzo Zambotti, UPMC Paris
Aula Beltrami, Dipartimento di Matematica - Martedì 19 Aprile 2016 h.15:00
Abstract. In this talk we want to present a detailed study of the algebraic objects appearing in the theory of regularity structures. In particular we aim at introducing a class of co-algebras on labelled forests and trees and show that these allow to describe in a unified setting the structure group and the renormalisation group.
Based on joint work with Yvain Bruned and Martin Hairer.
Dipartimento di Matematica ''F. Casorati''
Università degli Studi di Pavia -
Via Ferrata, 5 - 27100 Pavia
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