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Altman定理的推广与改进 被引量:6
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作者 许绍元 《江西师范大学学报(自然科学版)》 CAS 1995年第2期149-152,共4页
该文用拓扑度理论推广了Altman关于全连续算子的一个不动点定理,建立了一个推广定理,并由此定理将Altman定理中全连续算于A的条件||Ax-x||(?)≥||Ax||(?)-||x||(?)由a=2改进为a>1.
关键词 分连续算子 拓扑度 ALTMAN定理 巴拿赫空间
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The Representation of Continuous Linear Operator by Integral
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作者 曾韧英 《Chinese Quarterly Journal of Mathematics》 CSCD 1997年第3期41-44, ,共4页
In this paper,we study the representation of linear operator on but abandom the Radon-Nikodym property and give a necessary and sufficient condition for representability of linear operator on by integral.
关键词 Frechet space μ-integral continuous linear operator
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Continuous Multipartite Entangled Representation and Its Wigner Operator and Marginal Distribution
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作者 YUAN Hong-Chun LI Heng-Mei QI Kai-Guo 《Communications in Theoretical Physics》 SCIE CAS CSCD 2005年第6X期1015-1020,共6页
By extending the EPR bipartite entanglement to multipartite case, we briefly introduce a continuous multipartite entangled representation and its canonical conjugate state in the multi-mode Fock space, analyze their S... By extending the EPR bipartite entanglement to multipartite case, we briefly introduce a continuous multipartite entangled representation and its canonical conjugate state in the multi-mode Fock space, analyze their Schmidt decompositions and give their entangling operators. Furthermore, based on the above analysis we also find the n-mode Wigner operator. In doing so we may identify the physical meaning of the marginal distribution of the Wigner function. 展开更多
关键词 continuous multipartite entangled representation Wigner operator marginal distribution
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Smoothness of the Functional Law Generated by a Nonlinear SPDE
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作者 Marta SANZ-SOL Paul MALLIAVIN 《Chinese Annals of Mathematics,Series B》 SCIE CSCD 2008年第2期113-120,共8页
The authors consider a stochastic heat equation in dimension d=1 driven by an additive space time white noise and having a mild nonlinearity.It is proved that the functional law of its solution is absolutely continuou... The authors consider a stochastic heat equation in dimension d=1 driven by an additive space time white noise and having a mild nonlinearity.It is proved that the functional law of its solution is absolutely continuous and possesses a smooth density with respect to the functional law of the corresponding linear SPDE. 展开更多
关键词 Stochastic heat equation Probability law Absolute continuity Divergence operator Gradient operator
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WELL-POSEDNESS OF THE MODEL DESCRIBING A REPAIRABLE,STANDBY,HUMAN & MACHINE SYSTEM 被引量:5
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作者 Geni Gupur 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2003年第4期483-493,共11页
By using the strong continuous semigroup theory of linear operators we prove the existence of a unique positive time-dependent solution of the model describing a re-pairable, standby, human & machine system.
关键词 C_0-semigroup dispersive operator conservative operator
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