## Conformal Differential Geometry and Its GeneralizationsComprehensive coverage of the foundations, applications, recent developments, and future of conformal differential geometry Conformal Differential Geometry and Its Generalizations is the first and only text that systematically presents the foundations and manifestations of conformal differential geometry. It offers the first unified presentation of the subject, which was established more than a century ago. The text is divided into seven chapters, each containing figures, formulas, and historical and bibliographical notes, while numerous examples elucidate the necessary theory. Clear, focused, and expertly synthesized, Conformal Differential Geometry and Its Generalizations * Develops the theory of hypersurfaces and submanifolds of any dimension of conformal and pseudoconformal spaces. * Investigates conformal and pseudoconformal structures on a manifold of arbitrary dimension, derives their structure equations, and explores their tensor of conformal curvature. * Analyzes the real theory of four-dimensional conformal structures of all possible signatures. * Considers the analytic and differential geometry of Grassmann and almost Grassmann structures. * Draws connections between almost Grassmann structures and web theory. Conformal differential geometry, a part of classical differential geometry, was founded at the turn of the century and gave rise to the study of conformal and almost Grassmann structures in later years. Until now, no book has offered a systematic presentation of the multidimensional conformal differential geometry and the conformal and almost Grassmann structures. After years of intense research at their respective universities and at the Soviet School of Differential Geometry, Maks A. Akivis and Vladislav V. Goldberg have written this well-conceived, expertly executed volume to fill a void in the literature. Dr. Akivis and Dr. Goldberg supply a deep foundation, applications, numerous examples, and recent developments in the field. Many of the findings that fill these pages are published here for the first time, and previously published results are reexamined in a unified context. The geometry and theory of conformal and pseudoconformal spaces of arbitrary dimension, as well as the theory of Grassmann and almost Grassmann structures, are discussed and analyzed in detail. The topics covered not only advance the subject itself, but pose important questions for future investigations. This exhaustive, groundbreaking text combines the classical results and recent developments and findings. This volume is intended for graduate students and researchers of differential geometry. It can be especially useful to those students and researchers who are interested in conformal and Grassmann differential geometry and their applications to theoretical physics. |

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### Contents

CONFORMAL | 1 |

HYPERSURFACES IN CONFORMAL | 31 |

SUBMANIFOLDS IN CONFORMAL | 73 |

CONFORMAL STRUCTURES | 119 |

THE FOURDIMENSIONAL | 163 |

GEOMETRY OF THE GRASSMANN | 221 |

MANIFOLDS ENDOWED WITH | 267 |

323 | |

Symbols Frequently Used | 355 |

363 | |

### Other editions - View all

Conformal Differential Geometry and Its Generalizations Maks A. Akivis,Vladislav V. Goldberg Limited preview - 2011 |

### Common terms and phrases

1-forms 2-subspace affine connection Akivis basis forms Cartan complex components cone cº conformal connection conformal curvature conformal space conformal structure conformal transformation congruence consider coordinates corresponding cross-ratio curvature lines curvature tensor Darboux defined denote determined differential neighborhood dimension Euclidean space exterior derivatives fiber bundle form g forms wº formula four-dimensional frame bundle geodesic geometric object Goldberg Go Grassmann manifold Grassmann structure Grassmannian group G hyperplane hyperquadric hyperspheres hypersurface V"T intersection invariant forms isotropic cone isotropic fiber bundles linear linearly independent m-pairs mapping matrix metric nondegenerate normalization obtain osculating parameters plane point a e projective space pseudoconformal space quadratic form quantities respect Riemannian manifold second order Segre cone space Pº straight lines structure equations subgroup submanifold Subsection subspace surfaces symmetric system of equations tangent space tangent subspace tensor cij tensor of conformal Theorem three-web torsion tensor two-dimensional variety Q(m vector