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arXiv 1902.01016math.AP
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半线性heat equations在自伴算子能量空间中的整体适定性、耗散和爆破

Global well-posedness, dissipation and blow up for semilinear heat equations in energy spaces associated with self-adjoint operators

Masahiro Ikeda, Koichi Taniguchi

摘要:

在能量空间中,利用能量低于山口水平的初值,研究了能量亚临界和临界半线性热方程初边值问题解的整体性态,其中所用的能量空间是由满足Gauss上界的自伴算子构成的.我们的自伴算子包括开集上的Dirichlet Laplacian算子、外部区域上的Robin Laplacian算子和Schrodinger算子等。

英文摘要:

The purpose in this paper is to determine the global behavior of solutions to the initial-boundary value problems for energy-subcritical and critical semilinear heat equations by initial data with lower energy than the mountain pass level in energy spaces associated with self-adjoint operators satisfying Gaussian upper bounds. Our self-adjoint operators include the Dirichlet Laplacian on an open set, Robin Laplacian on an exterior domain, and Schrödinger operators, etc.

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