Sasakian manifolds were first introduced in 1962. This book's main focus is on the intricate
relationship between Sasakian and Kähler geometries, especially when the Kähler structure …

" In 1982, R. Hamilton introduced a nonlinear evolution equation for Riemannian metrics
with the aim of finding canonical metrics on manifolds. This evolution equation is known as …

We show that a compact Riemannian manifold with weakly pointwise 1/4-pinched sectional
curvatures is either locally symmetric or diffeomorphic to a space form. More generally, we …

Dieses Lehrbuch ist aus einer einsemestrigen Vorlesung über Eichfeldtheorie entstanden,
die ich seit Anfang der 90er Jahre mehrfach an der Humboldt-Universität als Teil meines …

Adopting an elegant geometrical approach, this advanced pedagogical text describes deep
and intuitive methods for understanding the subtle logic of supersymmetry while avoiding …

Kodaira fibred surfaces are remarkable examples of projective classifying spaces, and there
are still many intriguing open questions concerning them, especially the slope question. The …

This paper contains a survey of recent results on classification of the connected holonomy
groups of Lorentzian manifolds. A simplification of the construction of Lorentzian metrics with …

The main purpose of this review is to describe geometric properties of Sasaki–Einstein
manifolds which make them interesting in modern theoretical physics. In spite of the fact that …

In this paper, we consider the rolling problem (R) without spinning nor slipping of a smooth
connected oriented complete Riemannian manifold (M, g) onto a space form (ˆM, ˆg) of the …

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