A Note on Spaces with Regular Gδ-Diagonals
Received:July 22, 1996  
Key Words: regular Gδ-diagonal   finite-to-one map   open map   submentrizable space  
Fund Project:National Natural Science Foundation of China(19501023); Natural Science Foundation of Fujian Province (A97025)
Author NameAffiliation
CHEN Huan-ran Basic Courses Dept.
Hunan Commercial College
Changsha 410215 
LIN Shou Math. Dept.
Ningde Teachers′ College
Fujian 352100 
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Abstract:
      In this short note, using a Mysior′S example shows that a space with a regular Gδ-diagonal is not preserved by a finite-to-one and open map.
Citation:
DOI:10.3770/j.issn:1000-341X.1999.03.012
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