1

The downward directed grounds hypothesis and very large cardinals

Usuba, Toshimichi
Journal:
Journal of Mathematical Logic
Year:
2017
Language:
english
File:
PDF, 309 KB
english, 2017
2

Hierarchies of ineffabilities

Usuba, Toshimichi
Journal:
Mathematical Logic Quarterly
Year:
2013
Language:
english
File:
PDF, 164 KB
english, 2013
3

New combinatorial principle on singular cardinals and normal ideals

Usuba, Toshimichi
Journal:
Mathematical Logic Quarterly
Year:
2018
Language:
english
File:
PDF, 336 KB
english, 2018
6

Notes on the partition property of({mathcal{P}_kappalambda})

Abe, Yoshihiro, Usuba, Toshimichi
Journal:
Archive for Mathematical Logic
Year:
2012
Language:
english
File:
PDF, 236 KB
english, 2012
7

Extendible cardinals and the mantle

Usuba, Toshimichi
Journal:
Archive for Mathematical Logic
Year:
2018
Language:
english
File:
PDF, 348 KB
english, 2018
8

On the existence of skinny stationary subsets

Matsubara, Yo, Sakai, Hiroshi, Usuba, Toshimichi
Journal:
Annals of Pure and Applied Logic
Year:
2019
Language:
english
File:
PDF, 538 KB
english, 2019
9

Subtlety and partition relations

Usuba, Toshimichi
Journal:
Mathematical Logic Quarterly
Year:
2016
Language:
english
File:
PDF, 244 KB
english, 2016
10

The cardinality of compact spaces satisfying the countable chain condition

Usuba, Toshimichi
Journal:
Topology and its Applications
Year:
2014
Language:
english
File:
PDF, 415 KB
english, 2014
11

Two-cardinal versions of weak compactness: Partitions of pairs

Pierre Matet, Toshimichi Usuba
Journal:
Annals of Pure and Applied Logic
Year:
2012
Language:
english
File:
PDF, 434 KB
english, 2012
14

A note on the tightness of G-modifications

Usuba, Toshimichi
Journal:
Topology and its Applications
Year:
2019
Language:
english
File:
PDF, 298 KB
english, 2019
15

Characters of countably tight spaces and inaccessible cardinals

Usuba, Toshimichi
Journal:
Topology and its Applications
Year:
2014
Language:
english
File:
PDF, 321 KB
english, 2014
16

Local saturation of the non-stationary ideal over

Toshimichi Usuba
Journal:
Annals of Pure and Applied Logic
Year:
2007
Language:
english
File:
PDF, 521 KB
english, 2007
17

Products of Lindelöf spaces with points G

Usuba, Toshimichi
Journal:
Topology and its Applications
Year:
2019
Language:
english
File:
PDF, 302 KB
english, 2019
18

On skinny stationary subsets of

Matsubara, Yo, Usuba, Toshimichi
Journal:
Journal of Symbolic Logic
Year:
2013
Language:
english
File:
PDF, 10.80 MB
english, 2013
19

Bounded dagger principles

Usuba, Toshimichi
Journal:
Mathematical Logic Quarterly
Year:
2014
Language:
english
File:
PDF, 122 KB
english, 2014
20

Splitting stationary sets in

Usuba, Toshimichi
Journal:
Journal of Symbolic Logic
Year:
2012
Language:
english
File:
PDF, 955 KB
english, 2012