Two-fold theorem on Fréchetness of products

Title:

Two-fold theorem on Fréchetness of products

Creator:

Dolecki, Szymon and Nogura, Tsugunori

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:e07d462a-8554-4e22-89ce-d7ea45deb4a1
uuid:e07d462a-8554-4e22-89ce-d7ea45deb4a1

Subject:

$\alpha_3$, $\alpha_4$, $\beta_3$, $\beta_4$, 4$ spaces, $\Phi$-space, product space, sequential space, sequentially subtransverse, strongly Fréchet, and transverse

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

A refined common generalization of known theorems (Arhangel’skii, Michael, Popov and Rančin) on the Fréchetness of products is proved. A new characterization, in terms of products, of strongly Fréchet topologies is provided.

Language:

English

Rights:

http://creativecommons.org/publicdomain/mark/1.0/
policy:public

Coverage:

421-429

Source:

Czechoslovak Mathematical Journal | 1999 Volume:49 | Number:2

Harvested from:

CDK

Metadata only:

false