• 42 Citations
  • 4 h-Index
20072019
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Fingerprint Dive into the research topics where Toshimichi Usuba is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

Large Cardinals Mathematics
Stationary Set Mathematics
Subset Mathematics
Reflection Principle Mathematics
Weak Compactness Mathematics
Partition Mathematics
Compact Hausdorff Space Mathematics
Uncountable Mathematics

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Research Output 2007 2019

  • 42 Citations
  • 4 h-Index
  • 25 Article

A note on the tightness of Gδ-modifications

Usuba, T., 2019 Sep 15, In : Topology and its Applications. 265, 106820.

Research output: Contribution to journalArticle

Tightness
Strongly Compact Cardinal
Continuum
Arbitrary
1 Citation (Scopus)

G δ -topology and compact cardinals

Usuba, T., 2019 Jan 1, In : Fundamenta Mathematicae. 246, 1, p. 71-87 17 p.

Research output: Contribution to journalArticle

Compact Hausdorff Space
Supremum
Strongly Compact Cardinal
Measurable Cardinal
Topology

Products of Lindelöf spaces with points Gδ

Usuba, T., 2019 Feb 1, In : Topology and its Applications. 252, p. 90-96 7 p.

Research output: Contribution to journalArticle

Strictly

Extendible cardinals and the mantle

Usuba, T., 2018 Apr 18, (Accepted/In press) In : Archive for Mathematical Logic. p. 1-5 5 p.

Research output: Contribution to journalArticle

Intersection
Model

New combinatorial principle on singular cardinals and normal ideals

Usuba, T., 2018 Jan 1, (Accepted/In press) In : Mathematical Logic Quarterly.

Research output: Contribution to journalArticle

Saturation
Intersection