Universität Des Saarlandes Fachrichtung 6.1 – Mathematik Free Boundaries in Problems with Hysteresis Free Boundaries in Problems with Hysteresis

Universität Des Saarlandes Fachrichtung 6.1 – Mathematik Free Boundaries in Problems with Hysteresis Free Boundaries in Problems with Hysteresis
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Universität Des Saarlandes Fachrichtung 6.1 – 滞后问题中的数学自由边界 滞后问题中的自由边界

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通讯作者:
N. Uraltseva
N. Uraltseva
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作者:
D. Apushkinskaya;N. Uraltseva

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在本文中,我们提出了一项有关涉及不连续磁滞算子的抛物线自由边界问题的调查。此类问题描述了“有记忆”的生物和化学过程,其中各种物质根据滞后定律相互作用。我们的主要目标是讨论自由边界的结构以及属于 q 足够大的各向异性 Sobolev 类 W 2,1 q 的所谓“强解”的性质。还提出了这个方向上的几个开放性问题。
In this note we present a survey concerning parabolic free boundary problems involving a discontinuous hysteresis operator. Such problems describe biological and chemical processes " with memory " in which various substances interact according to hysteresis law. Our main objective is to discuss the structure of the free boundaries and the properties of the so-called " strong solutions " belonging to the anisotropic Sobolev class W 2,1 q with sufficiently large q. Several open problems in this direction are proposed as well.