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G-CONTINUOUS MAPPINGS AND G-QUOTIENT MAPPINGS
  • liu li,
  • ZHOU XIANGENG
liu li
Ningde Normal University

Corresponding Author:[email protected]

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ZHOU XIANGENG
Ningde Normal University
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Abstract

As a generalization of the usual convergence in topological spaces, a method $G$ on a set $X$ is a function $G: c_G(X)\to X$ defined on a subset $c_G(X)$ which is constituted by some sequences in $X$. In this paper, we mainly study the $G$-continuous mappings and the $G$-quotient mappings determined by $G$-methods and their connections with continuous mappings and quotient mappings in topological spaces. At the same time, we also discuss some properties of $G$-open mappings and $G$-closed mappings, and unify some results of several important convergence of sequences involving continuous mappings and quotient mappings.