| Type | Author(s) | Title | Other Titles | Citation | Citation(alt) | Issue Date |
| bulletin (article) | Izumiya, S.; Numata, Y.; Ishimoto, J.; Sasaki, I.; Nagase, Y.; Yamamoto, M. | 第2回数学総合若手研究集会 | The 2nd COE Conference for Young Researchers : CCYR2 | Hokkaido University technical report series in mathematics | 北海道大学数学講究録 | 1-Jan-2006 |
| bulletin (article) | Davydov, A. A; Ishikawa, G.; Izumiya, S.; Sun, W.-Z | Generic singularities of implicit systems of first order differential equations on the plane | - | Hokkaido University Preprint Series in Mathematics | - | Feb-2003 |
| bulletin (article) | Izumiya, S.; Janeczko, S. | A symplectic framework for multiplane gravitational lensing | - | Hokkaido University Preprint Series in Mathematics | - | Dec-2002 |
| bulletin (article) | Izumiya, S.; Kossowski, M.; Pei, D.; Romero-Fuster, M. C | Singularities of C∞-lightlike hypersurfaces in Minkowski 4-space | - | Hokkaido University Preprint Series in Mathematics | - | Dec-2002 |
| bulletin (article) | Izumiya, S.; Pei, D.; Romero-Fuster, M. C | The horospherical geometry of surfaces in Hyperbolic 4-space | - | Hokkaido University Preprint Series in Mathematics | - | Dec-2002 |
| bulletin (article) | Izumiya, S.; Pei, D.; Romero-Fuster, M. C | The hyperbolic Gauss-Bonnet type theorem | - | Hokkaido University Preprint Series in Mathematics | - | Dec-2002 |
| bulletin (article) | Izumiya, S.; Pei, D.; Takahashi, M. | Evolutes of hypersurfaces in Hyperbolic space | - | Hokkaido University Preprint Series in Mathematics | - | Dec-2002 |
| bulletin (article) | Izumiya, S.; Takeuchi, N. | New special curves and developable surfaces | - | Hokkaido University Preprint Series in Mathematics | - | Jul-2002 |
| bulletin (article) | Izumiya, S.; Pei, D.; Takahashi, M. | Curves and surfaces in Hyperbolic space | - | Hokkaido University Preprint Series in Mathematics | - | Jul-2002 |
| bulletin (article) | Izumiya, S.; Pei, S.; Fuster, M. C. Romero | Umbilicity of spacelike submanifolds of Minkowski space | - | Hokkaido University Preprint Series in Mathematics | - | Jul-2002 |
| bulletin (article) | Izumiya, S.; Saji, K.; Takeuchi, N. | Singularities of line congruences | - | Hokkaido University Preprint Series in Mathematics | - | Jul-2002 |
| bulletin (article) | Izumiya, S.; Pei, D.; Fuster, M. C. Romero | The lightcone Gauss map of a spacelike surface in Minkowski 4-space | - | Hokkaido University Preprint Series in Mathematics | - | Jul-2002 |
| bulletin (article) | Izumiya, S.; Takeuchi, N. | Special curves and raled surfaces | - | Hokkaido University Preprint Series in Mathematics | - | 1-Jan-2001 |
| bulletin (article) | Izumiya, S.; Takeuchi, N. | Generic special curves | - | Hokkaido University Preprint Series in Mathematics | - | 1-Jan-2001 |
| bulletin (article) | Izumiya, S.; Pei, D-H; Sano, T. | Horospherical surfaces of curves in hyperbolic space | - | Hokkaido University Preprint Series in Mathematics | - | 1-Jan-2001 |
| bulletin (article) | Izumiya, S. | Generating families of developable surfaces in R3 | - | Hokkaido University Preprint Series in Mathematics | - | 1-Jan-2001 |
| bulletin (article) | Izumiya, S.; Maruyama, K. | Transversal topology and singularities of Haefliger foliations | - | Hokkaido University Preprint Series in Mathematics | - | 1-Jan-2001 |
| bulletin (article) | Izumiya, S.; Pei, D-H; Sano, T. | Singularities of hyperbolic Gauss maps | - | Hokkaido University Preprint Series in Mathematics | - | 1-Jan-2001 |
| bulletin (article) | Izumiya, S.; Kossioris, G.; Makrakis, G. | Multivalued solutions to the eikonal equation in stratified media | - | Hokkaido University Preprint Series in Mathematics | - | 1-Jul-1999 |
| bulletin (article) | Izumiya, S.; Takeuchi, N. | Singularities of ruled surfaces in R 3 | - | Hokkaido University Preprint Series in Mathematics | - | 1-May-1999 |
