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Characterizations of collectively precompact and semi-precompact opterators on topological vector spaces

Published online by Cambridge University Press:  09 April 2009

M. V. Deshpande
Affiliation:
Department of Mathematics Indian Institute of Tecnology PowaiBombay 400 076, India
S. M. Padhye
Affiliation:
Department of Mathematics Indian Institute of Tecnology PowaiBombay 400 076, India
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Abstract

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Characterizations of collectively precompact and collectively semi-precompact sets of operators on topological vector spaces are obtained. These lead to the characterization of totally bounded sets of semi-precompact operators on locally convex spaces.

1980 Mathematics subject classification (Amer. Math. Soc): primary 47 B 05, 47 D 15; secondary 46 A 05, 46 A 15.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1979

References

Anselone, P. M. (1970), ‘Compactness properties of sets of operators and their adjoints’, Math. Z. 113, 233236.CrossRefGoogle Scholar
DePree, J. D. and Higgins, J. A. (1970), ‘Collectively compact sets of linear operators’, Math. Z. 115, 366370.CrossRefGoogle Scholar
DePree, J. D. and Klein, H. S. (1974), ‘Characterizations of collectively compact sets of linear operators’, Pacific J. Math. 55, 4554.CrossRefGoogle Scholar
Geue, A. S. (1974), ‘Precompact and collectively semi-precompact sets of semi-precompact continuous linear operators’, Pacific J. Math. 52, 377401.CrossRefGoogle Scholar
Horvath, J. (1966), Topological vector spaces and distributions (Addison-Wesley, Reading, Massachusetts).Google Scholar
Palmer, T. W. (1969), ‘Totally bounded sets of precompact linear operators’, Proc. Amer. Math. Soc. 20, 101106.CrossRefGoogle Scholar