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Transformation Groups in Differential Geometry, PDF eBook

Transformation Groups in Differential Geometry PDF

Part of the Classics in Mathematics series

PDF

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Description

Given a mathematical structure, one of the basic associated mathematical objects is its automorphism group.

The object of this book is to give a biased account of automorphism groups of differential geometric struc- tures.

All geometric structures are not created equal; some are creations of ~ods while others are products of lesser human minds.

Amongst the former, Riemannian and complex structures stand out for their beauty and wealth.

A major portion of this book is therefore devoted to these two structures.

Chapter I describes a general theory of automorphisms of geometric structures with emphasis on the question of when the automorphism group can be given a Lie group structure.

Basic theorems in this regard are presented in 3, 4 and 5.

The concept of G-structure or that of pseudo-group structure enables us to treat most of the interesting geo- metric structures in a unified manner.

In 8, we sketch the relationship between the two concepts.

Chapter I is so arranged that the reader who is primarily interested in Riemannian, complex, conformal and projective structures can skip 5, 6, 7 and 8.

This chapter is partly based on lec- tures I gave in Tokyo and Berkeley in 1965.

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