Some results about semilinear elliptic problems on half-spaces

We prove some new results about the growth, the monotonicity and the symmetry of (possibly) unbounded non-negative solutions of −∆u = f (u) on half-spaces, where f is merely a locally Lipschitz continuous function. Our proofs are based on a comparison principle for solutions of semilinear problems o...

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Main Author: Alberto Farina
Format: Article
Language:English
Published: AIMS Press 2020-10-01
Series:Mathematics in Engineering
Subjects:
Online Access:https://www.aimspress.com/article/10.3934/mine.2020033/fulltext.html
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spelling doaj-1b7f5724d20f4292a43fbf398f5949c42020-11-25T03:46:44ZengAIMS PressMathematics in Engineering2640-35012020-10-012470972110.3934/mine.2020033Some results about semilinear elliptic problems on half-spacesAlberto Farina0LAMFA, CNRS UMR 7352, Université de Picardie Jules Verne, 33 rue Saint-Leu, 80039 Amiens, FranceWe prove some new results about the growth, the monotonicity and the symmetry of (possibly) unbounded non-negative solutions of −∆u = f (u) on half-spaces, where f is merely a locally Lipschitz continuous function. Our proofs are based on a comparison principle for solutions of semilinear problems on unbounded slab-type domains and on the moving planes method.https://www.aimspress.com/article/10.3934/mine.2020033/fulltext.htmlqualitative properties of solutions to semilinear elliptic equationsmoving planes methodcomparison principle
collection DOAJ
language English
format Article
sources DOAJ
author Alberto Farina
spellingShingle Alberto Farina
Some results about semilinear elliptic problems on half-spaces
Mathematics in Engineering
qualitative properties of solutions to semilinear elliptic equations
moving planes method
comparison principle
author_facet Alberto Farina
author_sort Alberto Farina
title Some results about semilinear elliptic problems on half-spaces
title_short Some results about semilinear elliptic problems on half-spaces
title_full Some results about semilinear elliptic problems on half-spaces
title_fullStr Some results about semilinear elliptic problems on half-spaces
title_full_unstemmed Some results about semilinear elliptic problems on half-spaces
title_sort some results about semilinear elliptic problems on half-spaces
publisher AIMS Press
series Mathematics in Engineering
issn 2640-3501
publishDate 2020-10-01
description We prove some new results about the growth, the monotonicity and the symmetry of (possibly) unbounded non-negative solutions of −∆u = f (u) on half-spaces, where f is merely a locally Lipschitz continuous function. Our proofs are based on a comparison principle for solutions of semilinear problems on unbounded slab-type domains and on the moving planes method.
topic qualitative properties of solutions to semilinear elliptic equations
moving planes method
comparison principle
url https://www.aimspress.com/article/10.3934/mine.2020033/fulltext.html
work_keys_str_mv AT albertofarina someresultsaboutsemilinearellipticproblemsonhalfspaces
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