Sakai Masami

サカイマサミ | Sakai Masami

Affiliation and department：
Job title： Professor

Research field (1)： Geometry

Research theme for competitive and other funds (13)：

2017 - 2022 実数の特異部分集合と関数空間の局所的性質に関するScheepers予想の総合研究
2013 - 2017 実数の特異部分集合に関するScheepers予想へのPixley-Roy超空間の応用
2010 - 2013 実数の特異部分集合に関するScheepers予想の上半連続関数列の観点からの研究
2009 - 2011 The study for covering properties of topological spaces and their products in terms of elementary submodels
2007 - 2010 関数空間の局所的性質の研究から導かれる実数の特異部分集合とその臨界濃度の研究

Show all

Papers (58)：

Sakai, Masami. The Menger property and l-equivalence. Topology and its Applications. 2020. 281
Masami Sakai. Remarks on the Menger Property of Cp(X, 2). Topology and its Applications. 2019. 258. 32-46
Shou Lin, Fucai Lin, Masami Sakai. Point-countable covers and sequence-covering maps. Houston Journal of Mathematics. 2018. 44. 1. 385-397
Masami Sakai. A monotonically retractable realcompact space which is not Lindelof. Topology Proceedings. 2018. 52. 95-99
Maddalena Bonanzinga, Filippo Cammaroto, Masami Sakai. Remarks on monotone (weak) Lindelofness. TOPOLOGY AND ITS APPLICATIONS. 2017. 225. 195-205

ｍore...

MISC (1)：

Sakai Masami. Remarks on weak covering properties (General and Geometric Topology today and their problems). RIMS Kokyuroku. 2013. 1833. 70-72

Books (2)：

Lectures and oral presentations (13)：

The Menger property and l-equivalence
(Set-theoretic methods in topology and real functions theory 2019)
The Menger property of Cp(X,2) and related matters
(International Conference "Topological Algebra and Set-Theoretic Topology" 2018)
Remarks on the Menger property of Cp(X,2)
(International Conference on Frontiers of Selection Principles 2017)
On monotonically retractable spaces
(一般位相幾何および幾何学的トポロジーの現状と諸問題 2017)
Monotonically Lindelof spaces, a survey and recent results I, II
(The 6-th workshop on topology in Zhangzhou 2016)

ｍore...

Works (29)：

ｍore...

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

Return to Previous Page