| ◆ 主な成果
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3次元多様体のHeegaard種数に関するHass-Thompson予想の解決
Seifert3次元多様体のSU(n) Chern-Simons不変量の計算
実射影直線上の点の配置空間の幾何構造
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◆ 所属学会 |
日本数学会
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| ◆ 論文
| 【主要論文】
T. Kobayashi and H. Nishi, A necessary and sufficient condition for a 3-manifold to have genus g Heegaard splitting (a proof of Hass-Thompson conjecture), Osaka J. Math. 31 (1994), 109--136.
H. Nishi, SU(n)-Chern-Simons invariants of Seifert fibered 3-manifolds, Internat. J. Math. 9 (1998), no. 3, 295--330.
S. Kojima, H. Nishi and Y. Yamashita, Configuration spaces of points on the circle and hyperbolic Dehn fillings, Topology 38 (1999), 497--516.
B. Morin and H. Nishi, Hyperbolic structures on the configuration space of six points in the projective line, Adv. Math. 150 (2000), 202--232.
Y. Yamashita, H. Nishi and S. Kojima, Configuration spaces of points on the circle and hyperbolic Dehn fillings. II, Geom. Dedicata 89 (2002), 143--157.
【最近の論文】
K. Matsumoto, H. Nishi and M. Yoshida, Automorphic functions for the Whitehead-link-complement group, Osaka J. Math. 43 (2006), 839--876.
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| ◆ 職歴
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九州大学大学院数理学研究院助手・助教
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