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A note on the Trace Theorem for domains which are locally subgraph of a Holder continuous function

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arxiv 1311.3329 v1 pith:6RCRKWY2 submitted 2013-11-13 math.AP

classification math.AP
keywords omegaalphacontinuousfunctionlocallysubgraphdomainsmapping
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abstract

The purpose of this note is to prove a version of the Trace Theorem for domains which are locally subgraph of a H\" older continuous function. More precisely, let $\eta\in C^{0,\alpha}(\omega)$, $0<\alpha<1$ and let $\Omega_{\eta}$ be a domain which is locally subgraph of a function $\eta$. We prove that mapping $\gamma_{\eta}:u\mapsto u({\bf x},\eta({\bf x}))$ can be extended by continuity to a linear, continuous mapping from $H^1(\Omega_{\eta})$ to $H^s(\omega)$, $s<\alpha/2$. This study is motivated by analysis of fluid-structure interaction problems.

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Cited by 2 Pith papers

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  1. Stochastically forced Navier-Stokes equations interacting with an elastic structure

    math.AP 2026-06 unverdicted novelty 7.0 of 10

    Global strong pathwise well-posedness established for stochastically forced 2D incompressible Navier-Stokes coupled to 1D damped Kirchhoff plate via velocity continuity and stress balance on fixed interface.

  2. Multilayered fluid-structure interactions: existence of weak solutions for time-periodic and initial-value problems

    math.AP 2025-01 conditional novelty 6.0 of 10

    Existence of time-periodic weak solutions is proved for a 3D/2D/3D incompressible fluid interacting with a thin elastic shell and a thick viscoelastic solid under small Bernoulli pressure boundary data.

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