HAYASHI Chuichiro

ハヤシチュウイチロウ | HAYASHI Chuichiro

Affiliation and department：
Job title： Professor
Homepage URL (1)： http://mcm-www.jwu.ac.jp/~hayashic/japanese.html

Research field (1)： Geometry

Research keywords (2)： 3-manifold , knot theory

Research theme for competitive and other funds (9)：

2016 - 2019 Decision of triviality of knots and search for unknotting moves using quandles
2013 - 2016 An upper bound for the number of elementary moves needed for unknotting an arc-presentation of the trivial knot
2010 - 2012 The number of Cromwell moves needed for unknotting an arc-presentation of the trivial knot
2006 - 2009 The number of Reidemeister moves needed for connecting two link diagrams representing the same link.
2003 - 2005 トンネル数1の絡み目に沿ったデーン手術

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Papers (42)：

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Lectures and oral presentations (30)：

ライデマイスター変形に代えて
(多様体のトポロジーの展望 2014)
cowrithe と Reidemeister 変形の回数 - torus knots への応用
(Knotting Nagoya 2010)
Q-fundamental surfaces in lens spaces
(Knotting Mathematics and Art: Conference in Low Dimensional Topology and Mathematical Art 2007)
Calculating fundamental surfaces by hand
(研究集会「トポロジーとコンピュータ 2005」 2005)
A lower bound for the number of Reidemeister moves for unknotting
(研究集会「多様体のトポロジーの未来へ」 2004)

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Education (2)：

- 1994 The University of Tokyo Graduate School, Division of Mathematical Sciences
- 1990 The University of Tokyo Faculty of Science

Professional career (1)：

Work history (2)：

Association Membership(s) (1)：

The Mathematical Society of Japan

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