Entropy solutions for stochastic porous media equations

Entropy solutions for stochastic porous media equations
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DOI:
10.1016/j.jde.2018.09.012
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发表时间:
2018-03
影响因子:
2.4
通讯作者:
Konstantinos Dareiotis;M'at'e Gerencs'er;B. Gess
Konstantinos Dareiotis;M'at'e Gerencs'er;B. Gess
中科院分区:
数学2区
文献类型:
--
作者:
Konstantinos Dareiotis;M'at'e Gerencs'er;B. Gess

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我们提供了一个多孔介质型方程的熵公式与随机,非线性,空间非均匀强迫。在熵解类中得到了适定性和L1-压缩性。我们的范围允许多孔介质运营商Δ(|u| m− 1 u),且Hölder连续扩散非线性指数为1/2。
We provide an entropy formulation for porous medium-type equations with a stochastic, non-linear, spatially inhomogeneous forcing. Well-posedness and L 1-contraction is obtained in the class of entropy solutions. Our scope allows for porous medium operators Δ (| u| m− 1 u) for all m∈(1,∞), and Hölder continuous diffusion nonlinearity with exponent 1/2.