Volume I contains a long article by Misha Gromov based on his many years of involvement in this subject. It came from lectures delivered in Spring 2019 at IHES.

Special geometries as well as the relation between curvature and topology have always been of interest to differential geometers. More recently, these topics ha

These two volumes are the proceedings of a major International Symposium on General Relativity held at the University of Maryland in March 1993 to celebrate the

This book focuses on a selection of special topics, with emphasis on past and present research of the authors on “canonical” Riemannian metrics on smooth ma

This book provides a self-contained presentation of supergravity theories from its fundamentals to its most recent union with string and superstring theories, w