bornological space
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2019 ◽  
Vol 15 (4) ◽  
pp. 101-107
Author(s):  
Huda Abd Ameer
Keyword(s):  

2003 ◽  
Vol 46 (1) ◽  
pp. 35-44 ◽  
Author(s):  
Ian Tweddle ◽  
S. A. Saxon

AbstractWe show that for a non-flat bornological space there is always a bornological countable enlargement; moreover, when the space is non-flat and ultrabornological the countable enlargement may be chosen to be both bornological and barrelled. It is also shown that countable enlargements for barrelled or bornological spaces are always Mackey topologies, and every quasibarrelled space that is not barrelled has a quasibarrelled countable enlargement.AMS 2000 Mathematics subject classification: Primary 46A08; 46A20


Author(s):  
W. Govaerts

AbstractLet C(X, F) be the space of all continuous functions from the ultraregular compact Hausdorff space X into the separated locally K-convex space F; K is a complete, but not necessarily spherically complete, non-Archimedean valued field and C(X, F) is provided with the topology of uniform convergence on X We prove that C(X, F) is K-barrelled (respectively K-quasibarrelled) if and only if F is K-barrelled (respectively K-quasibarrelled) This is not true in the case of R or C-valued functions. No complete characterization of the K-bornological space C(X, F) is obtained, but our results are, nevertheless, slightly better than the Archimedean ones. Finally, we introduce a notion of K-ultrabornological spaces for K non-spherically complete and use it to study K-ultrabornological spaces C(X, F).


1982 ◽  
Vol 23 (2) ◽  
pp. 151-162
Author(s):  
T. K. Mukherjee ◽  
W. H. Summers

In the general theory of locally convex spaces, the idea of inductive limit is pervasive, with quotient spaces and the less obvious notion of direct sum being among the instances. Bornological spaces provide another important example. As is well known (cf. [7]), a Hausdorff locally convex space E is bornological if, and only if, E is an inductive limit of normed vector spaces. Going even further in this direction, a complete Hausdorff bornological space is an inductive limit of Banach spaces.


1977 ◽  
Vol 29 (1) ◽  
pp. 608-613 ◽  
Author(s):  
M. Valdivia
Keyword(s):  

1969 ◽  
Vol 10 (2) ◽  
pp. 103-105 ◽  
Author(s):  
S. O. Iyahen

One of the concepts introduced in [2] is that of a hyperbornological space, an idea which effectively replaces that of a bornological space when semiconvex spaces are being considered. In Section 2 of the present paper, it is shown how the topology of such a space may be described in terms of bounded pseudometrices. This is used in Section 3 to tackle the problem of when a product of separated hyperbornological spaces has the same property. It is shown that, as in the classical case of bornological spaces, this problem is equivalent to one in measure theory.


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