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J-GLOBAL ID:200901044392732905 Update date: Jan. 17, 2025

Ishikawa Masaharu

イシカワ マサハル | Ishikawa Masaharu
Clips

Lectures and oral presentations (115)

  • 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)

1 to 20 of 115 results
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