paper

The -connected property and -topological groups

arXiv:1911.12935

Abstract

In this paper, we discuss some properties of of -hull, -kernel and -connectedness, and extend some results of \cite{life34}. In particular, we prove that the -connectedness are preserved by countable product. Moreover, we introduce the concept of -topological group, and prove that a -topological group is a -topology under the assumption of the regular method preserving the subsequence.

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