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Currently displaying 1 – 4 of 4

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Further properties of 1-sequence-covering maps

Tran Van An; Luong Quoc Tuyen — 2008

Commentationes Mathematicae Universitatis Carolinae

Some relationships between $1$ -sequence-covering maps and weak-open maps or sequence-covering $s$ -maps are discussed. These results are used to generalize a result from Lin S., Yan P., , Topology Appl. (2001), 301–314.

On $π$ -images of separable metric spaces and a problem of Shou Lin

Tran Van An; Luong Quoc Tuyen — 2012

Matematički Vesnik

$L$ -Ponomarev’s System and Images of Locally Separable Metric Spaces

Tran Van An; Luong Quoc Tuyen — 2013

Publications de l'Institut Mathématique

On $π$ -images of locally separable metric spaces.

Van An, Tran; Van Dung, Nguyen — 2008

International Journal of Mathematics and Mathematical Sciences

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