Research field (2)：
Applied mathematics and statistics
, Basic mathematics
Research keywords (4)：
ツツジ属の文化史
, 数学基礎論
, Cultural History of Rhododendron
, Foundations of Mathematics
Research theme for competitive and other funds (4)：
ツツジ属の文化史
公理的集合論
Cultural History of Rhododendron
Axiomatic set theory
MISC (7)：
ゲンカイツツジ・エゾムラサキツツジ年表. ロードデンドロン. 2000. 29. 2. 17-22
ヒカゲツツジ年表. ロードデンドロン. 2000. 29. 1. 11-14
A real vector space which has a base but which has no wellorderable one. Proceedings of the 33rd MLG meeting at Echigo-Yuzawa, Japan 2000. 2000. 31-33
An Ultrapower which does not preserve the truth of a (]G0002[)2 sentence. TSUKUBA JOURNAL OF MATHEMATICS. 1999. 23. 2. 225-228
TSUKADA N. CONSTRUCTIONS OF COMPLETE METRIC SPACES AND COMPACT HAUSDORFF SPACES WHICH ARE NOT BAIRE SPACES. TSUKUBA J. OF MATHEMATICS. 1993. 17. 1. 159-167
