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Normal subspaces in products of two ordinals

100%

Kemoto N., Nogura T., Smith K. D., Yajima Y.

Fundamenta Mathematicae

1996

tom 151

nr 3

279-297

Let λ be an ordinal number. It is shown that normality, collectionwise normality and shrinking are equivalent for all subspaces of $(λ+1)^2$.

Does C* -embedding imply C*-embedding in the realm of products with a non-discrete metric factor?

100%

Gutev V. G., Ohta H.

Fundamenta Mathematicae

2000

tom 163

nr 3

241-265

The above question was raised by Teodor Przymusiński in May, 1983, in an unpublished manuscript of his. Later on, it was recognized by Takao Hoshina as a question that is of fundamental importance in the theory of rectangular normality. The present paper provides a complete affirmative solution. The technique developed for the purpose allows one to answer also another question of Przymusiński's.

Ograniczanie wyników

2 Fundamenta Mathematicae

1 Gutev V. G.

1 Kemoto N.

1 Nogura T.

1 Ohta H.

1 Smith K. D.

1 Yajima Y.

1 2000

1 1996

Wyniki wyszukiwania

Normal subspaces in products of two ordinals

Does C* -embedding imply C*-embedding in the realm of products with a non-discrete metric factor?