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  1. Atiyah class and sheaf counting on local Calabi-Yau 4-folds

    https://www.math.cuhk.edu.hk/seminars/atiyah-class-and-sheaf-counting-local-calabi-yau-4-folds
    ... Abstract:  : We discuss Donaldson-Thomas (DT) invariants of torsion sheaves with 2 dimensional support on a smooth projective ... finally make predictions about modularity of such fourfold invariants when the base surface is an elliptic K3. Poster:  ...

  2. Prof. Zhongtao WU

    https://www.math.cuhk.edu.hk/people/academic-staff/ztwu
    ... Fields of Interest: Knot Theory and its Invariants, 3-manifolds and Dehn Surgery, Contact 3-manifolds, Smooth and ... Homology and other Gauge Theoretic or Holomorphic Curve Invariants Selected Publications: Cosmetic surgery ...

  4. Characterization of Quasi-alternating links

    https://www.math.cuhk.edu.hk/seminars/characterization-quasi-alternating-links
    ... by Qazaqzeh-Chbili and Teragaito in terms of polynomial invariants. Poster:  20171110.pdf ...

  5. Topology of Manifolds

    https://www.math.cuhk.edu.hk/course/math5070
    ... course is an introduction to several basic topological invariants for manifolds. Major topics are: differentiable manifolds and ...

  6. What is tropical geometry?

    https://www.math.cuhk.edu.hk/seminars/what-tropical-geometry
    ... varieties and powerful combinatorial ways to compute `invariants'. It is called `tropical' because the subject was found in a ...

  7. Prof. Omar KIDWAI

    https://www.math.cuhk.edu.hk/people/academic-staff/kidwai
    ... Omar Kidwai and Nicholas J. Williams, ‘Donaldson-Thomas invariants for the Bridgeland-Smith correspondence.’ arXiv: 2401.10093 ...

  8. Grants

    https://www.math.cuhk.edu.hk/research/grants
    ... Council - General Research Fund Floer theoretic invariants in gauge theory and symplectic geometry Prof. Yi Jen LEE ...