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Homepage of Hisanori Ohashi

Affiliation: Department of Mathematics, Faculty of Science and Technology, Tokyo University of Science; Junior Associate Professor
Research Area: Algebraic Geometry
e-mail: ohashi_hisanori (AT) ma.noda.tus.ac.jp
Birth: February 3, 1981/ Chita-city, Aichi, JAPAN

  1. Bi-canonical representations of finite automorphisms acting on Enriques surfaces, preprint, math arxiv .
  2. Finite groups of automorphisms of Enriques surfaces and the Mathieu group M12 (with S. Mukai), preprint, math arxiv .
  3. Gorenstein Q-homology projective planes (with D. Hwang and J. Keum), Sci. China Math. 58 (2015), 501-512.
  4. The automorphism groups of Enriques surfaces covered by symmetric quartic surfaces (with S. Mukai), to appear in London Math. Soc. Lecture Note Ser., 417, 'Recent advances in Algebraic geometry', also see RIMS-1795.
  5. Classification of involutions on Enriques surfaces (with H. Ito), Michigan Math. J., 63 (2014), 159-188.
  6. Non-natural non-symplectic involutions on symplectic manifolds of K3^[2]-type (with M. Wandel), preprint, math arxiv.
  7. Enriques surfaces of Hutchinson-Goepel type and Mathieu automorphisms (with S. Mukai), in 'Arithmetic and Geometry of K3 surfaces and Calabi-Yau threefolds', Fields institute Communications 67 (2013), 429-454. Also see RIMS-1751.
  8. Rationality of the moduli spaces of Eisenstein K3 surfaces (with S. Ma and S. Taki), to appear in Trans. Amer. Math. Soc., pdf
  9. K3 surfaces and log del Pezzo surfaces of index three (with S. Taki), Manuscripta Math., 139 (2012), 443-471.
  10. Hutchinson-Weber involutions degenerate exactly when the Jacobian is Comessatti, Publ. Res. Inst. Math. Sci., 48 (2012), 107-127.
  11. Integral sections of some elliptic K3 surface via the binary Golay code, preprint, RIMS-1696.
  12. Enriques surfaces covered by Jacobian Kummer surfaces, Nagoya Math. J., 195 (2009), 165-186.
  13. Counting Enriques quotients of a K3 surface, preprint, RIMS-1609.
  14. On the number of Enriques quotients of a K3 surface, Publ. Res. Inst. Math. Sci., 43 (2007), 181-200.

Curriculum Vitae

Latest update: August 2015

(since October 1, 2009)