Geodesic
On the numerical range of operators on locally and on H-locally convex spaces
Commentationes Mathematicae Universitatis Carolinae, Tome 34 (1993) no. 2, pp. 229-237

Voir la notice de l'article provenant de la source Czech Digital Mathematics Library

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.
Classification : 46A13, 46A19, 47A12
Keywords: locally convex space; $\text{\rm H}$-locally convex space; numerical range; spectrum 
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Kramar, Edvard. On the numerical range of operators on locally and on H-locally convex spaces. Commentationes Mathematicae Universitatis Carolinae, Tome 34 (1993) no. 2, pp. 229-237. http://geodesic.mathdoc.fr/item/CMUC_1993__34_2_a5/