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math.AP2024

On the principle of linearized stability for quasilinear evolution equations in time-weighted spaces

Bogdan-Vasile Matioc, Lina Sophie Schmitz, Christoph Walker

Quasilinear (and semilinear) parabolic problems of the form with strict inclusion of the domains of the function $v\maps…

math.AP2024

Quasilinear parabolic equations with superlinear nonlinearities in critical spaces

Bogdan-Vasile Matioc, Luigi Roberti, Christoph Walker

Well-posedness in time-weighted spaces for quasilinear (and semilinear) parabolic evolution equations is established in a certain critical case of strict inclusion…

math.AP2024

Recovering Initial States in Semilinear Parabolic Problems from Time-Averages

Lina Sophie Schmitz, Christoph Walker

Well-posedness of certain semilinear parabolic problems with nonlocal initial conditions is shown in time-weighted spaces. The result is applied to recover the initial states in se…

math.AP2024

Global solutions for semilinear parabolic evolution problems with Hölder continuous nonlinearities

Bogdan-Vasile Matioc, Christoph Walker

It is shown that semilinear parabolic evolution equations featuring Hölder continuous nonlinearities with at most linear growth possess global strong solu…

math.AP2024

On a Quasilinear Parabolic-Hyperbolic System Arising in MEMS Modeling

Christoph Walker

A coupled system consisting of a quasilinear parabolic equation and a semilinear hyperbolic equation is considered. The problem arises as a small aspect ratio limit in the modeling…