In this paper new characteristic conditions, in terms of A and the first order resolvent of A and A*, which assure that A generates a C-0 semigroup in a Hilbert space are proposed and proved. The conditions can be used to investigate the well-posedness problem of non-dissipative systems. An example is also given to show how to use them. (C) 2000 Academic Press.
机构:
Henan Normal Univ, Coll Math & Informat Sci, Xinxiang, Henan, Peoples R ChinaHenan Normal Univ, Coll Math & Informat Sci, Xinxiang, Henan, Peoples R China
Li, Yan-Fang
Xu, Gen-Qi
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机构:
Tianjin Univ, Dept Math, Tianjin, Peoples R ChinaHenan Normal Univ, Coll Math & Informat Sci, Xinxiang, Henan, Peoples R China