Quasihomogeneous Distributions - 1st Edition - ISBN: 9780444886705, 9780080872766

Quasihomogeneous Distributions, Volume 165

1st Edition

Authors: O. von Grudzinski
eBook ISBN: 9780080872766
Imprint: North Holland
Published Date: 24th January 1991
Page Count: 448
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Table of Contents

(Almost) Quasihomogeneous Functions. Definitions and Basic Properties. (Almost) Quasihomogeneous Distributions. Definitions and Basic Properties. Constructing (Almost) Quasihomogeneous Functions by Taking Quasihomogeneous Averages of Functions with M-Bounded Support. Constructing (Almost) Quasihomogeneous Distributions by Taking Quasihomogeneous Averages. The Case: X is Locally M-Bounded. Constructing (Almost) Quasihomogeneous Functions by Taking Quasihomogeneous Averages of Functions Not Necessarily Having M-Bounded Support. Constructing (Almost) Quasihomogeneous Distributions by Taking Quasihomogeneous Averages. The Case: (1.14) Holds. Solvability of Quasihomogeneous Multiplication Equations and Partial Differential Equations. Extending (Almost) Quasihomogeneous Distributions on X+ to the Whole of X. Quasihomogeneous Wave Front Sets. References. Index.


Description

This is a systematic exposition of the basics of the theory of quasihomogeneous (in particular, homogeneous) functions and distributions (generalized functions). A major theme is the method of taking quasihomogeneous averages. It serves as the central tool for the study of the solvability of quasihomogeneous multiplication equations and of quasihomogeneous partial differential equations with constant coefficients. Necessary and sufficient conditions for solvability are given. Several examples are treated in detail, among them the heat and the Schrödinger equation. The final chapter is devoted to quasihomogeneous wave front sets and their application to the description of singularities of quasihomogeneous distributions, in particular to quasihomogeneous fundamental solutions of the heat and of the Schrödinger equation.


Details

No. of pages:
448
Language:
English
Copyright:
© North Holland 1991
Published:
Imprint:
North Holland
eBook ISBN:
9780080872766

Reviews

@qu:...largely based on unpublished work by the author... an exhaustive and systematic treatment of the subject... a definitive account... @source:Bulletin of the London Mathematical Society


About the Authors

O. von Grudzinski Author

Affiliations and Expertise

Mathematisches Seminar der Universität Kiel, FRG