Higher Schwarzian operators and combinatorics of the Schwarzian derivative. Hirotaka Tamanoi — 1996 Mathematische Annalen
Generalized orbifold Euler characteristic of symmetric products and equivariant Morava K -theory. Tamanoi, Hirotaka — 2001 Algebraic & Geometric Topology
Generalized orbifold Euler characteristics of symmetric orbifolds and covering spaces. Tamanoi, Hirotaka — 2003 Algebraic & Geometric Topology