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Overview
The book starts with a thorough introduction to connections and holonomy groups, and to Riemannian, complex and Kähler geometry. Then the Calabi conjecture is proved and used to deduce the existence of compact manifolds with holonomy SU(m) (Calabi-Yau manifolds) and Sp(m) (hyperkähler manifolds). These are constructed and studied using complex algebraic geometry. The second half of the book is devoted to constructions of compact 7- and 8-manifolds with the exceptional holonomy groups 92 and Spin(7). Many new examples are given, and their Betti numbers calculated. The first known examples of these manifolds were discovered by the author in 1993-5. This is the first book to be written about them, and contains much previously unpublished material which significantly improves the original constructions.
Synopsis
The book starts with a thorough introduction to connections and holonomy groups, and to Riemannian, complex and Kähler geometry. Then the Calabi conjecture is proved and used to deduce the existence of compact manifolds with holonomy SU(m) (Calabi-Yau manifolds) and Sp(m) (hyperkähler manifolds). These are constructed and studied using complex algebraic geometry. The second half of the book is devoted to constructions of compact 7- and 8-manifolds with the exceptional holonomy groups 92 and Spin(7). Many new examples are given, and their Betti numbers calculated. The first known examples of these manifolds were discovered by the author in 1993-5. This is the first book to be written about them, and contains much previously unpublished material which significantly improves the original constructions.
Booknews
Serving as both a graduate textbook on Reimannian holonomy groups and a research monograph on the exceptional holonomy groups Gc and Spin(7), this book is intended for mathematicians working in differential and Riemannian geometry and physicists working in String Theory. It's overall subject is Riemannian manifolds with special holonomy groups, especially Ricci-flat holonomy groups SU(m), Sp(m), G2, and Spin(7). Constructions and existence theorems are emphasized. Most proofs are given in full. Joyce teaches at Lincoln College. Annotation c. Book News, Inc., Portland, OR (booknews.com)