Rchr
J-GLOBAL ID：201801005521231980
Update date: Aug. 06, 2024
Tagami Keiji
Tagami Keiji
Affiliation and department：
Job title：
Associate profrssor
Research keywords (5)：
knot
, slice knot
, ribbon concordance
, Khovanov homology
, positive knot
Research theme for competitive and other funds (5)：
- 2022 - 2027 Knot trace and the slice-ribbon conjecture
- 2018 - 2022 Negativity of knots via open book decompositions of 3-manifolds
- 2015 - 2018 位相的量子場の理論から構成される絡み目ホモロジー不変量と正絡み目判定法の研究
- 2016 - 2018 Study of positive knots via contact structures
- 2013 - 2015 位相的量子場の理論とホモロジー型の絡み目不変量について
Papers (16)：
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An alternative proof for the minimality of strongly quasi-positive fibered knots in the ribbon concordance poset. Bulletin of the Korean Mathematical Society. 2024. 61. 3. 779-784
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Keiji Tagami. Remarks on the minimalities of two-bridge knots in the ribbon concordance poset. Bulletin of the Belgian Mathematical Society - Simon Stevin. 2023. 30. 3
-
Keiji Tagami. Notes on constructions of knots with the same trace. Hiroshima Mathematical Journal. 2022. 52. 1. 1-15
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Tetsuya Abe, Keiji Tagami. Knots with infinitely many non-characterizing slopes. Kodai Mathematical Journal. 2021. 44. 3. 395-421
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Keiji Tagami. A note on stabilization heights of fiber surfaces and the Hopf invariants. Bulletin of the Korean Mathematical Society. 2021. 58. 5. 1097-1107
ｍore...
Professional career (1)：
Work history (1)：
- 2022/04 - 現在 Hiroshima Shudo University The Faculty of Economic Sciences Associate professor
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