Curriculum Vitae of Hisanori Ohashi

Curriculum Vitae of Hisanori Ohashi Personal Information Name: Hisanori OHASHI Birth: February 3rd, 1981. Chita, Aichi-prefecture, JAPAN Nationality: Japan Language Skill: Japanese (mother tongue), English (TOEIC: 875) Contact Information Address: Department of Mathematics, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, JAPAN Phone: +81-4-7122-1782 (Ext. 3124) E-mail: ohashi hisanori (atmark) ma.noda.tus.ac.jp URL: http://www.ma.noda.tus.ac.jp/u/oh/index.html Education March 2009 March 2005 March 2003 Ph. D. in Science (mathematics), RIMS Kyoto University Advisor: Prof. Shigeru Mukai Thesis: Enriques surfaces covered by Jacobian Kummer surfaces Master s degree in Science, RIMS Kyoto University Bachelor s degree in Science, Kyoto University Career History Apr. 2014 - Apr. 2012 - Mar. 2014 Nov. 2010 - Mar. 2012 Apr. 2009 - Oct. 2010 Apr. 2007 - Mar. 2009 Junior associate professor, Tokyo University of Science Assistant Professor, Tokyo University of Science Designated Assistant Professor, Nagoya University GCOE Research Fellow, RIMS Kyoto University Research Fellow (DC2), JSPS Scholarships and Grants Jul. 2015 - Mar. 2016 Apr. 2015 - Mar. 2019 May 2011 - Mar. 2015 Oct. 2009 - Mar. 2011 Jul. 2007 - Mar. 2009 Apr. 2005 - Mar. 2007 Apr. 2003 - Mar. 2005 Start-up Support (Tokyo university of Science) Grant-in-Aid for Young Scientists (B) Grant-in-Aid for Young Scientists (B) Grant-in-Aid for Young Scientists (Start-up) Grant-in-Aid for JSPS Fellows Graduate Scholarship, Japan Student Services Organization Graduate Scholarship, Japan Scholarship Foundation 1

2 Teaching 2015/2H seminars (4th), Galois theory (3rd), seminars (3rd), linear algebra (2nd), set theory exercise (1st) 2015/1H seminars (4th), manifolds and de Rham cohomology (4th), group theory seminars (3rd), linear algebra (2nd) 2014/2H cohomology (4th-M1), commutative rings (3rd), seminars (3rd), linear algebra (2nd) 2014/1H complex geometry (4th-M1), geometry seminars (3rd), linear algebra (2nd) 2013/2H Practice on Computers (2nd), linear algebra ex. (1st), calculus ex. (1st) 2013/1H group theory seminar (3rd), calculus ex. (1st), set theory ex. (1st) 2012/2H advanced exercise class (2nd), linear algebra ex. (1st), set theory ex. (1st) 2012/1H linear algebra ex. (1st), calculus ex. (1st), set theory ex. (1st) Sep. 2009 - Mar. 2010 Jul. 2008 - Feb. 2009 Part-time Lecturer, Numerical Computations at Osaka Electro-Communication University Teaching Assistant, Kyoto University Research interests Area: Keywords: Algebraic Geometry K3 surfaces, Enriques surfaces, Automorphisms, Projective geometry, Elliptic surfaces, Lattices, Mathieu groups, Log del Pezzo surfaces, Singularities, Irreducible symplectic manifolds, Deformations Finite groups, Moonshine phenomena Papers (1) H. Ohashi, Bi-canonical representations of finite automorphisms acting on Enriques surfaces, preprint. (2) S. Mukai and H. Ohashi, Finite groups of automorphisms of Enriques surfaces and the Mathieu group M 12, preprint. (3) D. Hwang, J. Keum and H. Ohashi, Gorenstein Q-homology projective planes, Sci. China Math., 58 (2015), 501-512. (4) S. Mukai and H. Ohashi, The automorphism groups of Enriques surfaces covered by symmetric quartic surfaces, to appear in Recent advances in Algebraic geometry, London Math. Soc. Lecture Note Ser. 417. (5) H. Ohashi and M. Wandel, Non-natural non-symplectic involutions on symplectic manifolds of K3 [2] -type, submitted. (6) H. Ito and H. Ohashi, Classification of involutions on Enriques surfaces, Michigan Math. J., 63 (2014), 159-188. (7) S. Mukai and H. Ohashi, Enriques surfaces of Hutchinson-Göpel type and Mathieu automorphisms, in Arithmetic and Geometry of K3 surfaces and Calabi-Yau threefolds, Fields Institute Communications 67 (2013), 429-454. (8) S. Ma, H. Ohashi and S. Taki, Rationality of the moduli spaces of Eisenstein K3 surfaces, to appear in Trans. Amer. Math. Soc., (9) H. Ohashi and S. Taki, K3 surfaces and log del Pezzo surfaces of index three, Manuscripta Math., 139 (2012), 443-471.

3 (10) H. Ohashi, Hutchinson-Weber involutions degenerate exactly when the Jacobian is Comessatti, Publ. Res. Inst. Math. Sci., 48 (2012), 107-127. (11) H. Ohashi, Integral sections of some elliptic K3 surface via the binary Golay code, RIMSpreprint 1696 (May 2010), submitted. (12) H. Ohashi, Enriques surfaces covered by Jacobian Kummer surfaces, Nagoya Math. J., 195 (2009), 165-186. (13) H. Ohashi, Counting Enriques quotients of a K3 surface, RIMS-preprint 1609 (Oct. 2007). (14) H. Ohashi, On the number of Enriques quotients of a K3 surface, Publ. Res. Inst. Math. Sci., 43 (2007), 181-200. Lectures (1) Mini lectures, Hokkaido University of Education (Sapporo), Japan, August 2015. (2) One-week Lecture, Kyoto University (Kyoto), Japan, June 2015. (3) One-week Lecture, Nagoya University, September 2008. Talks (Proceedings are suggested by.) (1) (scheduled) Arithmetic and Algebraic Geometry 2016, University of Tokyo (Meguro), Japan, January 2016. (2) Oberwolfach? (3) (Scheduled) Joint seminar, Tokyo university of Science (Shinjuku), Japan, September 2015. (4) (Scheduled) Research seminar on algebraic and arithmetic geometry, Leibniz universität Hannover, Germany, September 2015. (5) ( ) Algebra symposium, Shizuoka university (Shizuoka), Japan, September 2015. (6) Joint workshop : Geometry and Analysis, Tokyo university of Science (Noda), Japan, May 2015. (7) String, Lattice and Moonshine, Rikkyo university, Japan, December 2014. (8) K3, Enriques surfaces and related topics, Nagoya university, Japan, November 2014. (9) ( ) Workshop Geometry of Projective varieties and around, Kochi University, November 2014. (10) Conference of special varieties in Tambara, Tambara international seminar house, Gunma, Japan, September 2014. (11) The 2nd workshop on K3 and Enriques surfaces, Asahikawa international hall, Hokkaido, Japan, August 2014. (12) Workshop on Mathieu moonshine, Tambara international seminar house, Gunma, Japan, August 2014. (13) Mini-workshop on Calabi-Yau varieties: arithmetic, geometry and physics, Tsuda college, Japan, August 2014. (14) The 7th Akihabara workshop on algebraic surfaces, Tokyo metropolitan university Akihabara campus, Japan, July 2014. (15) Mathematical Society of Japan Spring meeting, Gakushuin University, Japan, March 2014. (16) Moduli and self-maps, Kyoto university, Japan, March 2014. (17) Conference of special varieties in Tambara, Tambara international seminar house, Gunma, Japan, September 2013. (18) Workshop of K3 and Enriques surfaces, Hokkaido University, Japan, August 2013. (19) Beyond the moonshine, Hotel Hananoyu, Sendai, Japan, July 2013.

4 (20) New Trends in Arithmetic and Geometry of Algebraic Surfaces, Centre International de Rencontres Mathématiques, Luminy in France, March 2013. (21) Arithmetic and Algebraic Geometry 2013, University of Tokyo, Japan, January 2013. (22) Research seminar Algebraic and Arithmetic Geometry, Leibniz Universität Hannover, Germany, August 2012. (23) Mathematics seminar, Ehime University, Japan, July 2012. (24) Algebra seminar, Tokyo University of Science, Japan, July 2012. (25) Algebraic geometry meeting, Saitama University, Japan, July 2012. (26) Higher dimensional algebraic geometry and around, Kyoto University, Japan, June 2012. (27) The 9th affine algebraic geometry meeting, Kwansei Gakuin University, Japan, March 2012. (28) Complex geometry seminar (twice!), Tokyo metropolitan university, Japan, December 2011. (29) ( ) Kinosaki symposium on Algebraic Geometry, Kinosaki, Japan, October 2011. (30) Workshop on Algebraic Geometry 2011, Hosei University, September 2011. (31) ( ) Workshop on the Arithmetic and Geometry of K3 surfaces and Calabi-Yau threefolds, Fields Institute in University of Toronto, August 2011. (32) GCOE tea time seminar, Kyoto University, December 2010. (33) V Iberoamerican Congress on Geometry, Universidad de la frontera sede Pucón (Chile), December 2010. (34) Algebraic geometry seminar, University of Tokyo, November 2010. (35) Workshop Lattices Reflection groups and Algebraic Geometry, Nagoya University, November 2010. (36) Seminar, Korea Institute for Advanced Study, November, 2010. (37) Algebraic geometry seminar, Nagoya University, November, 2010. (38) ( ) Workshop Geometry of Projective varieties and around, Kochi University, November 2010. (39) Mathematical Society of Japan Autumn meeting, Nagoya University, September 2010. (40) Research seminar Algebraic and Arithmetic Geometry, Leibniz Universität Hannover, July 2010. (41) Algebraic geometry seminar, Kyoto University, July 2010. (42) Algebraic geometry seminar, Waseda University, May 2010. (43) Complex geometry seminar, Tokyo Metropolitan University, April 2010. (44) Mathematical Society of Japan Spring meeting, Keio University, March 2010. (45) Workshop Geometry of lattices and infinite dimensional Lie algebras, IPMU, March 2010. (46) Workshop for Young Mathematicians, Kyoto University, February 2010 (Poster). (47) Conference Algebraic Geometry in Characteristic p and Related Topics, University of Tokyo, February 2010. (48) Kansai Algebraic Geometry seminar, Nara Women s University, January 2010. (49) Conference Higher dimensional algebraic geometry, Kyoto University, December 2009. (50) ( ) Symposium on Algebraic Curves, Yokohama National University, December 2009. (51) Algebraic geometry seminar, Nagoya University, November 2009. (52) Kinosaki Symposium on Algebraic Geometry, Kinosaki, Japan, October 2009 (Poster). (53) Workshop Category Theory, Computer Science, and Topology, Shinshu University, October 2009. (54) Workshop K3, Enriques and Special Surfaces, Rikkyo University, September 2009. (55) BMS Summer School and Conference Moduli 2009, Humboldt-Universität zu Berlin, August 2009. (56) Workshop for Young Mathematicians, Seoul National University, February 2009 (Poster). (57) Algebraic geometry seminar, Osaka University, November 2008. (58) Kinosaki Symposium on Algebraic Geometry, Kinosaki, Japan, October 2008 (Poster).

5 (59) Algebraic geometry seminar, Kyoto University, October 2008. (60) Mathematical Society of Japan Autumn meeting, Tokyo Institute of Technology, September 2008. (61) Workshop Algebraic geometry and Related fields, Hokkaido University, July 2008. (62) Conference Moduli spaces and birational geometry, Kyoto University, June 2008. (63) Workshop for Young Mathematicians, Kyoto University, February 2008 (Poster). (64) Algebraic geometry seminar, Hokkaido University, January 2008. (65) Kinosaki Symposium on Algebraic Geometry, Kinosaki, Japan, October 2007 (Poster). (66) ( ) Kinosaki Symposium on Algebraic Geometry, Kinosaki, Japan, October 2005. (67) Algebraic geometry seminar, Nagoya University, May 2005. (68) Algebraic geometry seminar, Kyoto Universit, April 2005. (69) ( ) Kinosaki seminar for Young Mathematicians, Kinosaki, Japan, February 2005. Activities Organized Aug. 2016 (plan) camp-style seminar... (with D. Matsushita) Mar. 2016 (plan) Noda... (with H. Ito) Jan. 2016 (plan) Younger generation... (with T. Okada, Y. Gongyo and K. Watanabe) Oct. 2015 (scheduled) Japanese-European Symposium on Symplectic Varieties and Moduli Spaces at Kyoto (with G. Mongardi and M. Wandel) Mar. 2015 Noda symposium on algebraic geometry at Noda (with H. Ito) Oct. 2014 Kinosaki symposium on algebraic geometry at Kinosaki (with K. Oguiso and K. Mitsui) Jan. 2014 Workshop Younger generations in Algebraic and Complex geometry III at Nagasaki (with T. Okada, Y. Gongyo and K. Watanabe) Aug. 2013 Workshop on K3 and Enriques surfaces at Sapporo (with S. Saito and S. Taki) Dec. 2012 Workshop Younger generations in Algebraic and Complex geometry II at Saga (with T. Okada, Y. Gongyo and K. Watanabe) Aug. 2010 Workshop Algebraic geometry and related fields at Hokkaido University (with Masa-Hiko Saito and Daisuke Matsushita) Feb. 2010 Workshop Younger generations in Complex and Algebraic geometry at Kumamoto University (with Takuzo Okada and Takayuki Moriyama) Survey Articles (1) H. Ohashi, T. Okada, T. Hayama, H. Fukuyama, Y. Hoshi, D. Yamakawa, Algebraic D- modules and Riemann-Hilbert correspondence (in Japanese), Proceedings of Study Session for Young Mathematicians at Biwako, 323-422, Nov. 2008. (2) H. Ohashi, T. Okada, S. Taki, H. Fukuyama, Y. Hoshi, Algebraic varieties from the viewpoint of derived categories (in Japanese), Proceedings of Study Session for Young Mathematicians at Biwako, 391-462, Nov. 2007.

6 Seminar organization Apr. 2014 - Apr. 2009 - Mar. 2010 Colloquium at Tokyo university of Science, Noda campus Seminar GCOE tea time at Kyoto University (with Takayuki Moriyama) Refereeing JDG? Math. Nachr. Publ. RIMS J. MSJ (a conference) Journal of algebraic geometry Commentarii Mathematici Universitatis Sancti Pauli Nagoya Mathematical Journal Geometria Dedicata Memberships Mathematical Society of Japan Reviewing American Mathematical Society Zentralblatt