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Spectral analysis on standard locall...

Kassel, Fanny.

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Spectral analysis on standard locally homogeneous spaces

Record Type:	Electronic resources : Monograph/item
Title/Author:	Spectral analysis on standard locally homogeneous spaces/ by Fanny Kassel, Toshiyuki Kobayashi.
Author:	Kassel, Fanny.
other author:	Kobayashi, Toshiyuki.
Published:	Singapore :Springer Nature Singapore : : 2025.,
Description:	xi, 116 p. :ill., digital ;24 cm.
Contained By:	Springer Nature eBook
Subject:	Spectral theory (Mathematics) -
Online resource:	https://doi.org/10.1007/978-981-96-1957-3
ISBN:	9789819619573

Spectral analysis on standard locally homogeneous spaces
Kassel, Fanny.

Spectral analysis on standard locally homogeneous spaces[electronic resource] /by Fanny Kassel, Toshiyuki Kobayashi. - Singapore :Springer Nature Singapore :2025. - xi, 116 p. :ill., digital ;24 cm. - Lecture notes in mathematics,v. 23671617-9692 ;. - Lecture notes in mathematics ;v. 2367..

A groundbreaking theory has emerged for spectral analysis of pseudo-Riemannian locally symmetric spaces, extending beyond the traditional Riemannian framework. The theory introduces innovative approaches to global analysis of locally symmetric spaces endowed with an indefinite metric. Breakthrough methods in this area are introduced through the development of the branching theory of infinite-dimensional representations of reductive groups, which is based on geometries with spherical hidden symmetries. The book elucidates the foundational principles of the new theory, incorporating previously inaccessible material in the literature. The book covers three major topics. (1) (Theory of Transferring Spectra) It presents a novel theory on transferring spectra along the natural fiber bundle structure of pseudo-Riemannian locally homogeneous spaces over Riemannian locally symmetric spaces. (2) (Spectral Theory) It explores spectral theory for pseudo-Riemannian locally symmetric spaces, including the proof of the essential self-adjointness of the pseudo-Riemannian Laplacian, spectral decomposition of compactly supported smooth functions, and the Plancherel-type formula. (3) (Analysis of the Pseudo-Riemannian Laplacian) It establishes the abundance of real analytic joint eigenfunctions and the existence of an infinite L2 spectrum under certain additional conditions.

ISBN: 9789819619573

Standard No.: 10.1007/978-981-96-1957-3doiSubjects--Topical Terms:

524915
Spectral theory (Mathematics)

LC Class. No.: QA320

Dewey Class. No.: 515.7222

Spectral analysis on standard locally homogeneous spaces
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520 $a A groundbreaking theory has emerged for spectral analysis of pseudo-Riemannian locally symmetric spaces, extending beyond the traditional Riemannian framework. The theory introduces innovative approaches to global analysis of locally symmetric spaces endowed with an indefinite metric. Breakthrough methods in this area are introduced through the development of the branching theory of infinite-dimensional representations of reductive groups, which is based on geometries with spherical hidden symmetries. The book elucidates the foundational principles of the new theory, incorporating previously inaccessible material in the literature. The book covers three major topics. (1) (Theory of Transferring Spectra) It presents a novel theory on transferring spectra along the natural fiber bundle structure of pseudo-Riemannian locally homogeneous spaces over Riemannian locally symmetric spaces. (2) (Spectral Theory) It explores spectral theory for pseudo-Riemannian locally symmetric spaces, including the proof of the essential self-adjointness of the pseudo-Riemannian Laplacian, spectral decomposition of compactly supported smooth functions, and the Plancherel-type formula. (3) (Analysis of the Pseudo-Riemannian Laplacian) It establishes the abundance of real analytic joint eigenfunctions and the existence of an infinite L2 spectrum under certain additional conditions.
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