Dynamical Systems Seminar: Dr. Fabrizio Bianchi | Department of Mathematics

Dynamical Systems Seminar: Dr. Fabrizio Bianchi

Event Information
Event Location: 
Zoom
Event Date: 
Friday, December 2, 2022 - 2:00pm

Title: A Spectral Gap for the Transfer Operator on Complex Projective Spaces

Abstract: We study the transfer (Perron-Frobenius) operator on Pk(C) induced by a generic holomorphic endomorphism f and a suitable continuous weight. We prove the existence of a unique equilibrium state and we introduce various new invariant functional spaces, including a dynamical Sobolev space, on which the action of f admits a spectral gap. This is one of the most desired properties in dynamics. It allows us to obtain a list of statistical properties for the equilibrium states. Most of our results are new even in dimension 1 and in the case of constant weight function, i.e., for the operator f_*. Our construction of the invariant functional spaces uses ideas from pluripotential theory and interpolation between Banach spaces. This is a joint work with Tien-Cuong Dinh

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