$\Sigma$-products and selections of set-valued mappings
Commentationes Mathematicae Universitatis Carolinae, Tome 42 (2001) no. 1, pp. 203-207
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Every lower semi-continuous closed-and-convex valued mapping $\Phi : X\rightarrow 2^{Y}$, where $X$ is a $\Sigma$-product of metrizable spaces and $Y$ is a Hilbert space, has a single-valued continuous selection. This improves an earlier result of the author.
Classification :
54B10, 54C60, 54C65, 54D15
Keywords: set-valued mapping; l.s.c. mapping; $\Sigma$-product; selection
Keywords: set-valued mapping; l.s.c. mapping; $\Sigma$-product; selection
@article{CMUC_2001__42_1_a15,
author = {Shishkov, Ivailo},
title = {$\Sigma$-products and selections of set-valued mappings},
journal = {Commentationes Mathematicae Universitatis Carolinae},
pages = {203--207},
publisher = {mathdoc},
volume = {42},
number = {1},
year = {2001},
mrnumber = {1825384},
zbl = {1053.54029},
language = {en},
url = {http://geodesic.mathdoc.fr/item/CMUC_2001__42_1_a15/}
}
TY - JOUR AU - Shishkov, Ivailo TI - $\Sigma$-products and selections of set-valued mappings JO - Commentationes Mathematicae Universitatis Carolinae PY - 2001 SP - 203 EP - 207 VL - 42 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_2001__42_1_a15/ LA - en ID - CMUC_2001__42_1_a15 ER -
Shishkov, Ivailo. $\Sigma$-products and selections of set-valued mappings. Commentationes Mathematicae Universitatis Carolinae, Tome 42 (2001) no. 1, pp. 203-207. http://geodesic.mathdoc.fr/item/CMUC_2001__42_1_a15/