Study of C*-, C-, P-embeddings in products of monotonically normal spaces

单调正规空间乘积中的 C*-、C-、P-嵌入研究

• 批准号: 19K03606
• 负责人: Hirata Yasushi
• 金额: $ 0.92万
• 依托单位: Kanagawa University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2019
• 资助国家: 日本
• 起止时间: 2019-04-01 至 2022-03-31
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-19K03606/
• 关键词: 単調正規空間; C*-, C-, P-埋め込み; extent; 一般順序空間; 辞書式順序積; 順序数の部分空間; C*-,C-,P-埋め込み; 非可算積; 長方形的積空間; 順序数の位相; C*-埋め込み; 巨大基数

项目成果

Undecidability for the extent of products of monotonically normal spaces

单调正态空间乘积范围的不可判定性

• 发表时间: 2022
• 作者: 平田康史;矢島幸信
• 通讯作者: 矢島幸信

Equalities for the extent of infinite products and Σ-products

无限乘积和 Σ-乘积范围的等式

• DOI: 10.1016/j.topol.2021.107946
• 发表时间: 2022
• 期刊: Topology and its Applications
• 影响因子: 0.6
• 作者: Hirata Yasushi;Usuba Toshimichi;Yajima Yukinobu
• 通讯作者: Yajima Yukinobu

Undecidability of the cardinality of C*-embedded discrete subsets in products of natural numbers

自然数乘积中 C* 嵌入离散子集基数的不可判定性

• 发表时间: 2020
• 期刊: Topology Proceedings
• 作者: Hirata Yasushi;Usuba Toshimichi;Yajima Yukinobu;Yasushi Hirata and Yukinobu Yajima;Yasushi Hirata and Yukinobu Yajima;Yasushi Hirata and Nobuyuki Kemoto;Yasushi Hirata and Yukinobu Yajima
• 通讯作者: Yasushi Hirata and Yukinobu Yajima

A characterization of the countable paracompactness for products of ordinals

序数乘积的可数拟紧性的表征

• DOI: 10.1016/j.topol.2020.107325
• 发表时间: 2020
• 期刊: Topology and its Applications
• 影响因子: 0.6
• 作者: Hirata Yasushi;Usuba Toshimichi;Yajima Yukinobu;Yasushi Hirata and Yukinobu Yajima
• 通讯作者: Yasushi Hirata and Yukinobu Yajima

A characterization of paracompactness of lexicographic products

词典产品的拟紧性的表征

• 发表时间: 2020
• 期刊: Topology Proceedings
• 作者: Hirata Yasushi;Usuba Toshimichi;Yajima Yukinobu;Yasushi Hirata and Yukinobu Yajima;Yasushi Hirata and Yukinobu Yajima;Yasushi Hirata and Nobuyuki Kemoto;Yasushi Hirata and Yukinobu Yajima;Yasushi Hirata and Nobuyuki Kemoto
• 通讯作者: Yasushi Hirata and Nobuyuki Kemoto