Rchr
J-GLOBAL ID:200901044392732905
Update date: Jan. 17, 2025 Ishikawa Masaharu
イシカワ マサハル | Ishikawa Masaharu
Lectures and oral presentations (115)
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On 2-dimensional knots in the 4-sphere invariant under circle actions
(Geometry and Dynamics in Low Dimensions 2025) -
On 2-dimensional knots in the 4-sphere invariant under circle actions
(第50回変換群論シンポジウム 2024) -
Atypical values at infinity of real polynomial functions of three variables
(Japanese Australian workshop on Real and Complex Singularities 2024) -
Orbifold group による branched twist spin の区別
(Knotting Nagoya (結び目の数理セミナー ) 2024) -
Circle actions on the 4-sphere and 3-orbifold groups
(International Conference "Singularities and Algebraic Geometry" 2024) -
Circle actions on low-dimensional spheres
(Handayama Seminar on Geometry & Algebra 2023) -
On the fundamental groups of branched twist spins
(Breadth in low-dimensional topology 2023) -
Positive flow-spines and contact 3-manifolds
(JSPS-VAST Bilateral Joint Research Project Workshop "Singularities, arrangements, and low-dimensional topology", III 2022) -
シャドウ補空間の基本群の表示
(研究集会「結び目の数理 IV 」 2021) -
Stable map complexity and hyperbolic volumes of 3-manifolds
(Boston University / Keio University / Tsinghua University Workshop 2021 2021) -
アワビとザイフェルト束の横断性について
(東北結び目セミナー 2020 2020) -
Flow-spines and contact 3-manifolds
(2020) -
Complexity of contact 3-manifolds
(Hyperplane arrangements and Japanese-Australian Workshop on Real and Complex Singularities 2019) -
アワビとホップ束について
(Hakone Seminar 2019) -
レンズ空間の正フロースパインと接触構造について
(北陸結び目セミナー 2019 2019) -
Polyhedral presentation of Milnor fibers
(Seminar in Institute of Mathematics, VAST 2019) -
3次元多様体の正フロースパインと接触構造
(Colloquium in Saitama University 2019) -
3次元多様体の正フロースパインと接触構造
(Topology Seminar in Osaka University 2019) -
Abalone, Seifert fibration and coil surgery
(Geometric Topology of low dimensions, Nihon University 2019) -
Positive flow-spines and contact 3-manifolds
(Branched Coverings, Degenerations, and Related Topics 2019, Hiroshima University 2019)
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