Maximal monotone operator theory and its applications to thin film equation in epitaxial growth on vicinal surface
Maximal monotone operator theory and its applications to thin film equation in epitaxial growth on vicinal surface
复制标题
最大单调算子理论及其在邻面外延生长薄膜方程中的应用
DOI:
10.1007/s00526-018-1326-x
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发表时间:
2018
影响因子:
2.1
通讯作者:
Xu, Xiangsheng
中科院分区:
文献类型:
--
作者:
Gao, Yuan;Liu, Jian-Guo;Lu, Xin Yang;Xu, Xiangsheng
In this work we consider 1 w_t=\left\left (w_ hh+ c_0\right)^-3\right _ hh,\qquad w (0)= w^ 0, wt= w hh+ c 0-3 hh, w (0)= w 0, which is derived from a thin film equation for epitaxial growth on vicinal surface. We formulate the problem as the gradient flow of a suitably-defined convex functional in a non-reflexive space. Then by restricting it to a Hilbert space and proving the uniqueness of its sub-differential, we can apply the classical maximal monotone operator theory. The mathematical difficulty is due to the fact that w_ hh w hh can appear as a positive Radon measure. We prove the existence of a global strong solution with hidden singularity. In particular,(1) holds almost everywhere when w_ hh w hh is replaced by its absolutely continuous part.
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影响因子:
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作者:
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影响因子:
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作者:
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DOI:
--
发表时间:
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期刊:
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DOI:
--
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期刊:
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