| 林寿.关于《M1-空间的和定理》一文的注记[J].数学研究及应用,1990,10(2):296~297 |
| 关于《M1-空间的和定理》一文的注记 |
| A Note on Paper "On Sum Theorems for M1-Spaces" |
| 投稿时间：1988-04-23 |
| DOI：10.3770/j.issn:1000-341X.1990.02.029 |
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| 基金项目:福建省教委科学基金资助课题. |
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| In the paper "On sum theorems for M1-spaces" , the author introduced the concept of strongly hereditarily closure-preserving family , and proved that "M1-spaces satisfy the a- hereditarily closure-preserving open sum theorem" , so , normality of Theorem 3 in was not essential. In this note we show that "strongly hereditarily closure-preserving family" is equivalent to "hereditarily closure-preserving family", and that conclusion of Theorem 3 in [1] is incorrect and normality of Theorem 3 in [3] in essential. |
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