Nonexistence of solutions to KPP-type equations of dimension greater than or equal to one

In this article, we consider a semilinear elliptic equations of the form $Delta u+f(u)=0$, where $f$ is a concave function. We prove for arbitrary dimensions that there is no solution bounded in $(0,1)$. The significance of this result in probability theory is also discussed.

Bibliographic Details
Main Authors: Janos Englander, Peter L. Simon
Format: Article
Language:English
Published: Texas State University 2006-01-01
Series:Electronic Journal of Differential Equations
Subjects:
Online Access:http://ejde.math.txstate.edu/Volumes/2006/09/abstr.html
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spelling doaj-ae66fba31b60412695e291f877c7a75a2020-11-24T20:58:10ZengTexas State UniversityElectronic Journal of Differential Equations1072-66912006-01-0120060916Nonexistence of solutions to KPP-type equations of dimension greater than or equal to oneJanos EnglanderPeter L. SimonIn this article, we consider a semilinear elliptic equations of the form $Delta u+f(u)=0$, where $f$ is a concave function. We prove for arbitrary dimensions that there is no solution bounded in $(0,1)$. The significance of this result in probability theory is also discussed.http://ejde.math.txstate.edu/Volumes/2006/09/abstr.htmlKPP-equationsemilinear elliptic equationspositive bounded solutionsbranching Brownian-motion.
collection DOAJ
language English
format Article
sources DOAJ
author Janos Englander
Peter L. Simon
spellingShingle Janos Englander
Peter L. Simon
Nonexistence of solutions to KPP-type equations of dimension greater than or equal to one
Electronic Journal of Differential Equations
KPP-equation
semilinear elliptic equations
positive bounded solutions
branching Brownian-motion.
author_facet Janos Englander
Peter L. Simon
author_sort Janos Englander
title Nonexistence of solutions to KPP-type equations of dimension greater than or equal to one
title_short Nonexistence of solutions to KPP-type equations of dimension greater than or equal to one
title_full Nonexistence of solutions to KPP-type equations of dimension greater than or equal to one
title_fullStr Nonexistence of solutions to KPP-type equations of dimension greater than or equal to one
title_full_unstemmed Nonexistence of solutions to KPP-type equations of dimension greater than or equal to one
title_sort nonexistence of solutions to kpp-type equations of dimension greater than or equal to one
publisher Texas State University
series Electronic Journal of Differential Equations
issn 1072-6691
publishDate 2006-01-01
description In this article, we consider a semilinear elliptic equations of the form $Delta u+f(u)=0$, where $f$ is a concave function. We prove for arbitrary dimensions that there is no solution bounded in $(0,1)$. The significance of this result in probability theory is also discussed.
topic KPP-equation
semilinear elliptic equations
positive bounded solutions
branching Brownian-motion.
url http://ejde.math.txstate.edu/Volumes/2006/09/abstr.html
work_keys_str_mv AT janosenglander nonexistenceofsolutionstokpptypeequationsofdimensiongreaterthanorequaltoone
AT peterlsimon nonexistenceofsolutionstokpptypeequationsofdimensiongreaterthanorequaltoone
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