Multicanonical systems of elliptic surfaces in small characteristics Toshiyuki Katsura — 1995 Compositio Mathematica
On the field of definition of superspecial polarized abelian varieties and type numbers Tomoyoshi Ibukiyama; Toshiyuki Katsura — 1994 Compositio Mathematica
Complex cobordism ring and conformal field theory over Z. Toshiyuki Katsura; Yuji Shimizu — 1991 Mathematische Annalen
Families of supersingular abelian surfaces Toshiyuki Katsura; Frans Oort — 1987 Compositio Mathematica
Supersingular curves of genus two and class numbers Tomoyoshi Ibukiyama; Toshiyuki Katsura; Frans Oort — 1986 Compositio Mathematica