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About Quarterstratifiable space

FENG Zi-qin1,R.W.Heath2   

  1. 1. School of Math. and System Sci., Shandong Univ., Jinan 250100, Shandong, China;2. Department of Mathematics Pittsburgh University, Pittsburgh 15260, Pennsylvania, U.S.A
  • Received:2006-01-03 Revised:1900-01-01 Online:2006-10-24 Published:2006-10-24
  • Contact: FENG Zi-qin

Key words: paratopological group , Hamel basis, semigroup, σcloseddiscrete dense subset, paracompact spaces, Quarterstratifiable space

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