Some spectral properties ofm-accretive differential operators |
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| Authors: | Mahmoud -Sabry Saif |
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| Institution: | (1) Dept. of Mathematics, Faculty of Science, King Abdulaziz University, P.O.B. 9028, Jeddah, Saudi Arabia;(2) Present address: Mathematics Department, Faculty of Science, Zagazig University, Zagazig, Egypt |
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| Abstract: | Form-accretive operatorT=T
0+q compactness of its resolventR(z, T), z P(T) and ofR(z, T)–R(z, T
0),zP(T) P(T
0) under suitable assumptions onT
0 and their perturbationq is established. This result is used in the study of spectral properties ofT andT
0. |
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| Keywords: | |
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