This book is an elementary self-contained introduction to some constructions of representation theory and related topics of differential geometry and analysis.

This book is an elementary self-contained introduction to some constructions of representation theory and related topics of differential geometry and analysis.

This text systematically presents the basics of quantum mechanics, emphasizing the role of Lie groups, Lie algebras, and their unitary representations. The math

This book deals first with Haar bases, Faber bases and Faber frames for weighted function spaces on the real line and the plane. It extends results in the autho

The Duflo isomorphism first appeared in Lie theory and representation theory. It is an isomorphism between invariant polynomials of a Lie algebra and the center