In this work we present results on fixed points, pairs of coincidence points and best approximation for ε-semicontinuous mappings in metric trees. It is a generalization of the similar properties of upper and almost lower semicontinuous mappings.
@article{bwmeta1.element.doi-10_2478_v10062-008-0013-3,
author = {Bo\.zena Pi\k atek},
title = {Best approximation of coincidence points in metric trees},
journal = {Annales UMCS, Mathematica},
volume = {62},
year = {2008},
pages = {113-121},
zbl = {1182.54055},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_2478_v10062-008-0013-3}
}
Bożena Piątek. Best approximation of coincidence points in metric trees. Annales UMCS, Mathematica, Tome 62 (2008) pp. 113-121. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_2478_v10062-008-0013-3/
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