ON INVARIANT MEASURES ASSOCIATED WITH WEAKLY COUPLED SYSTEMS OF KOLMOGOROV EQUATIONS

被引:0
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作者
Addona, Davide [1 ]
Angiuli, Luciana [2 ]
Lorenzi, Luca [3 ]
机构
[1] Univ Ferrara, Dipartimento Matemat & Informat, Ferrara, Italy
[2] Univ Salento, Dipartimento Matemat & Fis Ennio De Giorgi, Lecce, Italy
[3] Univ Parma, Dipartimento Sci Matemat Fis & Informat, Plesso Matemat & Informat, Parma, Italy
关键词
PARABOLIC PROBLEMS; OPERATORS; COMPACTNESS;
D O I
暂无
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, we deal with weakly coupled elliptic systems A with unbounded coefficients. We prove the existence and characterize all the systems of invariant measures for the semigroup (T(t))(t >= 0) associated with A in C-b(R-d; R-m). We also show some relevant properties of the extension of (T(t))(t >= 0) to the L-P-spaces related to systems of invariant measures. Finally, we study the asymptotic behaviour of (T(t))(t >= 0) as t tends to +infinity.
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页码:137 / 184
页数:48
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