MINIMAL STRUCTURES, PUNCTUALLY <i>m</i> - OPEN FUNCTIONS AND BITOPOLOGICAL SPACES

  • TAKASHI NOIRI
    2949-1 SHIOKITA-CHO, HINAGU, YATSUSHIRO-SHI, KUMAMOTO-KEN, 869-5142 JAPAN
    t.noiri@nifty.com
  • VALERIU POPA
    DEPARTMENT OF MATHEMATICS AND INFORMATICS, "VASILE ALECSANDRI" UNIVERSITY OF BACĂU, 600114 BACĂU, ROMANIA
    vpopa@ub.ro

Abstract

By using <i>m</i>-open functions from a topological space into an <i>m</i>-space, we establish the unified theory for several weak forms of open functions between bitopological spaces.

Cuvinte cheie

m-structure m-open set (i; j)-m-open function bitopological space