Preprints

1. H.Goda and T.Sakasai
   Homology cylinders in knot theory,
   → Homology cylinders and sutured manifolds for homologically fibered knots,
   preprint, to appear in Tokyo Journal of Mathematics.

2. H.Goda, H.Matsuda and A.Pajitnov
   Morse-Novikov theory, Heegaard splittings, and closed orbits of gradient flows
   preprint.

3. H.Goda and C.Hayashi:
   Genus two Heegaard splittings of exteriors of 1-genus 1-bridge knots II,
   preprint, to appear in Saitama Math.J

4. H.Goda and C.Hayashi:
   Genus two Heegaard splittings of exteriors of 1-genus 1-bridge knots,
   preprint, to appear in Kobe J. Math.

Information on the Morse-Novikov number : Here

講演（予定も含む）

1. Homology cylinders, Morse-Novikov numbers and Johnson homomorphisms
   Tokyo Workshop on Low-dimensional Topology
   東工大
   2012年3月20日．

2. Fibered knots and Seifert surfaces
   International Week celebrating the 50th anniversary of University of Nantes
   University of Nantes, France
   2012年3月15日．

3. Additivity of Handle Number and Morse-Novikov Number of a-small Knots
   (Fabiola Manjarrez-Gutierrez氏の結果の紹介）
   上教大トポロジーセミナー, 上越教育大学
   2012年2月20日．

4. Johnson homomorphisms and homologically fibered knots
   日本数学会
   信州大学
   2011年9月29日．

5. Homologically fibered knot の局所変形
   Knots in east Osaka
   大阪電気通信大学
   2011年3月10日．

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