期刊
RESULTS IN MATHEMATICS
卷 78, 期 6, 页码 -出版社
SPRINGER BASEL AG
DOI: 10.1007/s00025-023-02002-5
关键词
K-additive set-valued map; K-Jensen set-valued map; K-boundedness; K-continuity; null-finite set; K-homogeneity set
This paper studies the fundamental properties of K-additive set-valued maps. Among other things, it is proven that K-lower (or weakly K-upper) boundedness on a large set implies K-continuity on the domain, and K-continuity implies K-homogeneity. The algebraic structure of the K-homogeneity set for K-additive set-valued maps is also examined.
For monoids X, Y and a submonoid K ? Y we define a K additive set-valued map F : X ? 2(Y) as a map which is additive modulo K. In the paper fundamental properties of K -additive set-valued maps are studied. Among others, we prove that in the class of K -additive set valued maps K -lower (or weakly K -upper) boundedness on a large set implies K -continuity on the domain, as well as K -continuity implies K homogeneity. We also study an algebraic structure of the K -homogeneity set for K -additive set-valued maps.
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