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8. The Gao-Type Constant of Absolute Normalized Norms on R 2.

Author

Zuo, Zhanfei, Huang, Yimin, Huang, Huaping, and Wang, Jing

Subjects
*BANACH spaces
Abstract

In this paper, we present an extraordinary method to calculate the Gao-type constant of absolute normalized norms on R 2 . By using our method, we not only provide the values of the Gao-type constant in new specific spaces, but also improve well-known results from the existing literature. [ABSTRACT FROM AUTHOR]

Published
2022
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17. Some Sufficient Conditions for Fixed Points of Multivalued Nonexpansive Mappings

Author

Zuo Zhanfei and Cui Yunan

Subjects
Applied mathematics. Quantitative methods, T57-57.97, Analysis, QA299.6-433
Abstract

We show some sufficient conditions on a Banach space concerning the generalized James constant, the generalized Jordan-von Neumann constant, the generalized Zbagănu constant, the coefficient , the weakly convergent sequence coefficient WCS( ), and the coefficient of weak orthogonality, which imply the existence of fixed points for multivalued nonexpansive mappings. These fixed point theorems improve some previous results in the recent papers.

Published
2009

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