D-modules and spherical representations. Mathematical notes 39.

Bien, Frédéric Vincent:

ISBN 10: 0691025177 / ISBN 13: 9780691025179

Published by Princeton, Princeton University Press, 1990

About this Item

Ex-library with stamp and library-signature. GOOD condition, some traces of use. Ancien Exemplaire de bibliothèque avec signature et cachet. BON état, quelques traces d'usure. Ehem. Bibliotheksexemplar mit Signatur und Stempel. GUTER Zustand, ein paar Gebrauchsspuren. 22 BIE 9780691025179 Sprache: Englisch Gewicht in Gramm: 250.

Seller Inventory # 2506686

Bibliographic Details

• Title: D-modules and spherical representations. Mathematical notes 39.
• Publisher: Princeton, Princeton University Press
• Publication Date: 1990
• Language: English
• ISBN 10: 0691025177
• ISBN 13: 9780691025179
• Binding: Softcover
• Weight: 250 grams
• Seller catalogs:
  • SA MATHEMATIK

About this title

Synopsis

The theory of D-modules deals with the algebraic aspects of differential equations. These are particularly interesting on homogeneous manifolds, since the infinitesimal action of a Lie algebra consists of differential operators. Hence, it is possible to attach geometric invariants, like the support and the characteristic variety, to representations of Lie groups. By considering D-modules on flag varieties, one obtains a simple classification of all irreducible admissible representations of reductive Lie groups. On the other hand, it is natural to study the representations realized by functions on pseudo-Riemannian symmetric spaces, i.e., spherical representations. The problem is then to describe the spherical representations among all irreducible ones, and to compute their multiplicities. This is the goal of this work, achieved fairly completely at least for the discrete series representations of reductive symmetric spaces. The book provides a general introduction to the theory of D-modules on flag varieties, and it describes spherical D-modules in terms of a cohomological formula. Using microlocalization of representations, the author derives a criterion for irreducibility. The relation between multiplicities and singularities is also discussed at length.

Originally published in 1990.

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