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Pβ-connectedness in topological spaces

Tyagi B. K., Singh S., Bhardwaj M.

Demonstratio Mathematica

2017

Vol. 50, nr 1

299--308

A new property called Pβ-connectedness is introduced which is stronger than connectedness and equivalent to pre-connectedness. The properties of this notion are explored and its relationship with other forms of connectedness, for example hyperconnectedness etc. are discussed. Locally pre-indiscrete spaces are defined as the spaces in which pre-open sets are closed. In such spaces connectedness becomes equivalent to pre-connectedness and hence to Pβ-connectedness, and semi-connectedness becomes equivalent to Pβ-connectedness. The notion of locally Pβ-connected space is introduced. The behavior of Pβ-connectedness under several types of mappings is investigated. An intermediate value theorem is obtained.

On some new decompositions of continuity

Ekici E., Noiri T.

Demonstratio Mathematica

2008

Vol. 41, nr 1

225-231

The main purpose of this paper is to introduce the concepts of [...] to obtain new decompositions of continuity and super-continuity.