■General Topology Laboratory
01/1981, D. Sci., Tsukuba University
Covering properties of finite products and infinite products, Normality of Σ-products, Characterizations of covering properties of topological spaces in terms of products, Topological games.
Covering properties and normality of topological products
- 1)Y. Hirata and Y. Yajima, “Separation of diagonal in monotonically normal spaces and their products”, Topology and its Appl. 196 (2015), 1033-1059.
- 2)Y. Hirata and Y. Yajima, “On the D-property of certain products”, Topology and its Appl. 195 (2015), 297-311.
- 3). Y. Hirata, N. Kemoto and Y. Yajima, “Products of monotonically normal spaces with various special factors”, Topology and its Appl. 164 (2014), 45-86．
Affiliated Academic Organizations
Mathematical Society of Japan