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- 本文用Heath-H?del映象给出C-半分层空间,C-Nagata空间,KC-半分层空间和K-半分层空间的一种刻划。In this paper,by using Heath-H(?) del-mappings we give a characterizationof C-Semi-stratifiable spacs,C-Nagata spaces,KC-semi-stratifiable spacesand K-semi-stratifiable spaces.
