| On Fixed Point Index and Fixed Point Theorems for Multivalued Semi-closed 1-set-contraction Mappings |
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| 摘 要： | Fitzpatrick P M and Petryshyn W V studied fixed point index and fixed point theorems of multivalued condensing mappings.The aim of this paper is to give a concept of multivalued semi-closed 1-set-contraction mapping which is a more genere.i mapping and to define its fixed point index,and then we prove some fixed point theorems to extend some Petryshyn' s results.
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On Fixed Point Index and Fixed Point Theorems for Multivalued Semi-closed 1-set-contraction Mappings |
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| Authors: | Li Guozhen |
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| Institution: | Dept. of Math. |
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| Abstract: | Fitzpatrick P M and Petryshyn W V studied fixed point index and fixed point theorems of multivalued condensing mappings.The aim of this paper is to give a concept of multivalued semi-closed 1-set-contraction mapping which is a more genere.i mapping and to define its fixed point index,and then we prove some fixed point theorems to extend some Petryshyn' s results. |
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| Keywords: | fixed point index fixed point theorems |
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