1. On the curvature of Riemannian submanifolds of codimension 2;Agaoka;Hokkaido Math. J.,1985
2. Invariant subvarieties of the 3-tensor space C2⊗C2⊗C2;Agaoka;Memoirs of the Faculty of Integrated Arts and Sciences, Hiroshima University, Ser. IV, Science Report,1994
3. An algorithm to calculate plethysms of Schur functions;Agaoka;Memoirs of the Faculty of Integrated Arts and Sciences, Hiroshima University, Ser. IV, Science Report,1995
4. Y. Agaoka, Combinatorial conjectures on the range of Young diagrams appearing in plethysms, Technical Report No. 59, The Division of Mathematical Information Sciences, Faculty of Integrated Arts and Sciences, Hiroshima University, 1998, pp.1–184
5. On the variety of 3-dimensional Lie algebras;Agaoka;Lobachevskii J. Math.,1999