In the normed space of bounded operators between a pair of normed spaces, the set of operators which are "bounded below" forms the interior of the set of one-one operators. This note is concerned with the extension of this observation to certain spaces of pairs of operators.
@article{bwmeta1.element.bwnjournal-article-smv117i2p101bwm,
author = {Robin Harte and Mostafa Mbekhta},
title = {Almost exactness in normed spaces II},
journal = {Studia Mathematica},
volume = {119},
year = {1996},
pages = {101-105},
zbl = {0844.47023},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv117i2p101bwm}
}
Harte, Robin; Мbekhta, Мostafa. Almost exactness in normed spaces II. Studia Mathematica, Tome 119 (1996) pp. 101-105. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv117i2p101bwm/
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