Boundary behavior of capillary surfaces possibly with extremal boundary angles

For solutions to the capillarity problem possibly with the boundary contact angle θ being 0 and/or π in a relatively open portion of the boundary which is C2, we will show that if the solution is locally bounded up to this portion of boundary, the trace of the solution on this portion is piecewise L...

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Main Author: Fei-Tsen Liang
Format: Article
Language:English
Published: Wiley 2005-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Online Access:http://dx.doi.org/10.1155/IJMMS.2005.3925
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author Fei-Tsen Liang
author_facet Fei-Tsen Liang
author_sort Fei-Tsen Liang
collection DOAJ
description For solutions to the capillarity problem possibly with the boundary contact angle θ being 0 and/or π in a relatively open portion of the boundary which is C2, we will show that if the solution is locally bounded up to this portion of boundary, the trace of the solution on this portion is piecewise Lipschitz continuous and the solution is Hölder continuous up to the boundary, provided the prescribed mean curvature is bounded from above and from below. In the case where θ is not required to be bounded away from π/2, 0, and π, and the mean curvature H(x,t0) belongs to Lp(Ω) for some t0∈ℝ and p>n, under the assumption that in a neighborhood of a relatively open portion of the boundary the solution is of rotational symmetry, the trace of the solution on this portion of the boundary is shown to be Hölder continuous with exponent 1/n if n≥3 and with exponent 1/3 if n=2.
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spelling doaj-art-e19c6ecab7524375b8ea5e369d3af9972025-02-03T01:11:39ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04252005-01-012005243925395010.1155/IJMMS.2005.3925Boundary behavior of capillary surfaces possibly with extremal boundary anglesFei-Tsen Liang0Institute of Mathematics, Division of Mathematics and Physical Sciences, Academia Sinica, Nankang, Taipei 11529, TaiwanFor solutions to the capillarity problem possibly with the boundary contact angle θ being 0 and/or π in a relatively open portion of the boundary which is C2, we will show that if the solution is locally bounded up to this portion of boundary, the trace of the solution on this portion is piecewise Lipschitz continuous and the solution is Hölder continuous up to the boundary, provided the prescribed mean curvature is bounded from above and from below. In the case where θ is not required to be bounded away from π/2, 0, and π, and the mean curvature H(x,t0) belongs to Lp(Ω) for some t0∈ℝ and p>n, under the assumption that in a neighborhood of a relatively open portion of the boundary the solution is of rotational symmetry, the trace of the solution on this portion of the boundary is shown to be Hölder continuous with exponent 1/n if n≥3 and with exponent 1/3 if n=2.http://dx.doi.org/10.1155/IJMMS.2005.3925
spellingShingle Fei-Tsen Liang
Boundary behavior of capillary surfaces possibly with extremal boundary angles
International Journal of Mathematics and Mathematical Sciences
title Boundary behavior of capillary surfaces possibly with extremal boundary angles
title_full Boundary behavior of capillary surfaces possibly with extremal boundary angles
title_fullStr Boundary behavior of capillary surfaces possibly with extremal boundary angles
title_full_unstemmed Boundary behavior of capillary surfaces possibly with extremal boundary angles
title_short Boundary behavior of capillary surfaces possibly with extremal boundary angles
title_sort boundary behavior of capillary surfaces possibly with extremal boundary angles
url http://dx.doi.org/10.1155/IJMMS.2005.3925
work_keys_str_mv AT feitsenliang boundarybehaviorofcapillarysurfacespossiblywithextremalboundaryangles