The spatial numerical range for a class of operators on locally convex space was studied by Giles, Joseph, Koehler and Sims in [3]. The purpose of this paper is to consider some additional properties of the numerical range on locally convex and especially on $\text{\rm H}$-locally convex spaces.
@article{118576,
author = {Edvard Kramar},
title = {On the numerical range of operators on locally and on H-locally convex spaces},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {34},
year = {1993},
pages = {229-237},
zbl = {0806.47003},
mrnumber = {1241732},
language = {en},
url = {http://dml.mathdoc.fr/item/118576}
}
Kramar, Edvard. On the numerical range of operators on locally and on H-locally convex spaces. Commentationes Mathematicae Universitatis Carolinae, Tome 34 (1993) pp. 229-237. http://gdmltest.u-ga.fr/item/118576/
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