Du Bois–Reymond Type Lemma and Its Application to Dirichlet Problem with the <i>p</i>(<i>t</i>)–Laplacian on a Bounded Time Scale

This paper is devoted to study the existence of solutions and their regularity in the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>p</mi><mo>(</mo><mi>t</mi><m...

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Main Authors: Jean Mawhin, Ewa Skrzypek, Katarzyna Szymańska-Dȩbowska
Format: Article
Language:English
Published: MDPI AG 2021-10-01
Series:Entropy
Subjects:
Online Access:https://www.mdpi.com/1099-4300/23/10/1352
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author Jean Mawhin
Ewa Skrzypek
Katarzyna Szymańska-Dȩbowska
author_facet Jean Mawhin
Ewa Skrzypek
Katarzyna Szymańska-Dȩbowska
author_sort Jean Mawhin
collection DOAJ
description This paper is devoted to study the existence of solutions and their regularity in the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>p</mi><mo>(</mo><mi>t</mi><mo>)</mo></mrow></semantics></math></inline-formula>–Laplacian Dirichlet problem on a bounded time scale. First, we prove a lemma of du Bois–Reymond type in time-scale settings. Then, using direct variational methods and the mountain pass methodology, we present several sufficient conditions for the existence of solutions to the Dirichlet problem.
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spelling doaj.art-0eaabeadeca44215b840e5db2e72edfe2023-11-22T18:11:44ZengMDPI AGEntropy1099-43002021-10-012310135210.3390/e23101352Du Bois–Reymond Type Lemma and Its Application to Dirichlet Problem with the <i>p</i>(<i>t</i>)–Laplacian on a Bounded Time ScaleJean Mawhin0Ewa Skrzypek1Katarzyna Szymańska-Dȩbowska2Institut de Recherche en Mathématique et Physique, Université Catholique de Louvain, Chemin du Cyclotron, 2, B-1348 Louvain-la-Neuve, BelgiumInstitute of Mathematics, Lodz University of Technology, Al. Politechniki 10, 93-590 Łódź, PolandInstitute of Mathematics, Lodz University of Technology, Al. Politechniki 10, 93-590 Łódź, PolandThis paper is devoted to study the existence of solutions and their regularity in the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>p</mi><mo>(</mo><mi>t</mi><mo>)</mo></mrow></semantics></math></inline-formula>–Laplacian Dirichlet problem on a bounded time scale. First, we prove a lemma of du Bois–Reymond type in time-scale settings. Then, using direct variational methods and the mountain pass methodology, we present several sufficient conditions for the existence of solutions to the Dirichlet problem.https://www.mdpi.com/1099-4300/23/10/1352du Bois–Reymond lemma<i>p</i>(<i>t</i>)–Laplaciantime scalesvariational methodsdirect variational methodmountain pass lemma
spellingShingle Jean Mawhin
Ewa Skrzypek
Katarzyna Szymańska-Dȩbowska
Du Bois–Reymond Type Lemma and Its Application to Dirichlet Problem with the <i>p</i>(<i>t</i>)–Laplacian on a Bounded Time Scale
Entropy
du Bois–Reymond lemma
<i>p</i>(<i>t</i>)–Laplacian
time scales
variational methods
direct variational method
mountain pass lemma
title Du Bois–Reymond Type Lemma and Its Application to Dirichlet Problem with the <i>p</i>(<i>t</i>)–Laplacian on a Bounded Time Scale
title_full Du Bois–Reymond Type Lemma and Its Application to Dirichlet Problem with the <i>p</i>(<i>t</i>)–Laplacian on a Bounded Time Scale
title_fullStr Du Bois–Reymond Type Lemma and Its Application to Dirichlet Problem with the <i>p</i>(<i>t</i>)–Laplacian on a Bounded Time Scale
title_full_unstemmed Du Bois–Reymond Type Lemma and Its Application to Dirichlet Problem with the <i>p</i>(<i>t</i>)–Laplacian on a Bounded Time Scale
title_short Du Bois–Reymond Type Lemma and Its Application to Dirichlet Problem with the <i>p</i>(<i>t</i>)–Laplacian on a Bounded Time Scale
title_sort du bois reymond type lemma and its application to dirichlet problem with the i p i i t i laplacian on a bounded time scale
topic du Bois–Reymond lemma
<i>p</i>(<i>t</i>)–Laplacian
time scales
variational methods
direct variational method
mountain pass lemma
url https://www.mdpi.com/1099-4300/23/10/1352
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