García-Raffi, L. M. and Romaguera, S. and Sánchez-Pérez, E. A. and Valero, O.:
Metrizability of the unit ball of the dual of a quasi-normed cone
Bollettino dell'Unione Matematica Italiana Serie 8 7-B (2004), fasc. n.2, p. 483-492, Unione Matematica Italiana (English)
pdf (254 Kb), djvu (149 Kb). | MR2072949 | Zbl 1116.46009
Sunto
Dimostriamo teoremi di metrizzabilità e di quasi metrizzabilità per alcune topologie di tipo debole* sulla palla unitaria del duale di un cono quasi normato separabile. Ciò è ottenuto grazie a un'opportuna versione del teorema di Alaoglu, anch'essa dimostrata nel presente lavoro.
Referenze Bibliografiche
[1]
A. R. ALIMOV,
On the structure of the complements of Chebyshev sets,
Funct. Anal. Appl.,
35 (
2001), 176-182. |
MR 1864985 |
Zbl 1099.41501[2]
E. P. DOLZHENKO-
E. A. SEVAST'YANOV,
Sign-sensitive approximations, the space of sign-sensitive weights. The rigidity and the freedom of a system,
Russian Acad. Sci. Dokl. Math.,
48 (
1994), 397-401. |
MR 1272960 |
Zbl 0818.41028[4]
L. M. GARCÍA-RAFFI-
S. ROMAGUERA-
E. A. SÁNCHEZ-PÉREZ,
Sequence spaces and asymmetric norms in the theory of computational complexity,
Math. Comput. Model.,
36 (
2002), 1-11. |
MR 1925055 |
Zbl 1063.68057[5]
L. M. GARCÍA-RAFFI-
S. ROMAGUERA-
E. A. SÁNCHEZ-PÉREZ,
The dual space of an asymmetric normed linear space,
Quaestiones Math.,
26 (
2003), 83-96. |
MR 1974407 |
Zbl 1043.46021[7]
R. KOPPERMAN,
Lengths on semigroups and groups,
Semigroup Forum,
25 (
1982), 345-360. |
MR 679288 |
Zbl 0502.22002[8]
H. P. A. KÜNZI,
Nonsymmetric distances and their associated topologies: About the origins of basic ideas in the area of asymmetric topology, in:
Handbook of the History of General Topology, C. E. Aull and R. Lowen (eds),
Kluwer Acad. Publ.,
3 (
2001), 853-968. |
MR 1900267 |
Zbl 1002.54002[9]
S. ROMAGUERA-
E. A. SÁNCHEZ-PÉREZ-
O. VALERO,
Quasi-normed monoids and quasi-metrics,
Publ. Math. Debrecen,
62 (
2003), 53-69. |
MR 1956801 |
Zbl 1026.54027[10]
S. ROMAGUERA-
M. SANCHIS,
Semi-Lipschitz functions and best approximation in quasi-metric spaces,
J. Approx. Theory,
103 (
2000), 292-301. |
MR 1749967 |
Zbl 0980.41029[11]
S. ROMAGUERA-
M. SCHELLEKENS,
Duality and quasi-normability for complexity spaces,
Appl. Gen. Topology,
3 (
2002), 91-112. |
MR 1931256 |
Zbl 1022.54018[12]
R. TIX,
Some results on Hahn-Banach-type theorems for continuous D-cones,
Theoretical Comput. Sci.,
264 (
2001), 205-218. |
MR 1857456 |
Zbl 0973.68123