Blow up of solutions to semilinear wave equations

This work shows the absence of global solutions to the equation $$ u_{tt} = Delta u + p^{-k}|u|^m, $$ in the Minkowski space $mathbb{M}_0=mathbb{R}imesmathbb{R}^N$, where $ m > 1$, $(N-1)m < N+1$, and $p $ is a conformal factor approaching 0 at infinity. Using a modification of the method of c...

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Main Author: Mohammed Guedda
Format: Article
Language:English
Published: Texas State University 2003-05-01
Series:Electronic Journal of Differential Equations
Subjects:
Online Access:http://ejde.math.txstate.edu/Volumes/2003/53/abstr.html
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author Mohammed Guedda
author_facet Mohammed Guedda
author_sort Mohammed Guedda
collection DOAJ
description This work shows the absence of global solutions to the equation $$ u_{tt} = Delta u + p^{-k}|u|^m, $$ in the Minkowski space $mathbb{M}_0=mathbb{R}imesmathbb{R}^N$, where $ m > 1$, $(N-1)m < N+1$, and $p $ is a conformal factor approaching 0 at infinity. Using a modification of the method of conformal compactification, we prove that any solution develops a singularity at a finite time.
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spelling doaj.art-56f38c929fc6405aa795f9ae0ac5d99f2022-12-22T00:58:15ZengTexas State UniversityElectronic Journal of Differential Equations1072-66912003-05-0120035315Blow up of solutions to semilinear wave equationsMohammed GueddaThis work shows the absence of global solutions to the equation $$ u_{tt} = Delta u + p^{-k}|u|^m, $$ in the Minkowski space $mathbb{M}_0=mathbb{R}imesmathbb{R}^N$, where $ m > 1$, $(N-1)m < N+1$, and $p $ is a conformal factor approaching 0 at infinity. Using a modification of the method of conformal compactification, we prove that any solution develops a singularity at a finite time.http://ejde.math.txstate.edu/Volumes/2003/53/abstr.htmlBlow upconformal compactification.
spellingShingle Mohammed Guedda
Blow up of solutions to semilinear wave equations
Electronic Journal of Differential Equations
Blow up
conformal compactification.
title Blow up of solutions to semilinear wave equations
title_full Blow up of solutions to semilinear wave equations
title_fullStr Blow up of solutions to semilinear wave equations
title_full_unstemmed Blow up of solutions to semilinear wave equations
title_short Blow up of solutions to semilinear wave equations
title_sort blow up of solutions to semilinear wave equations
topic Blow up
conformal compactification.
url http://ejde.math.txstate.edu/Volumes/2003/53/abstr.html
work_keys_str_mv AT mohammedguedda blowupofsolutionstosemilinearwaveequations