Yeqin Liu

Talks and Posters

Invited Talks

  1. Geometric phantom categories do not admit Noetherian t-structures, Nanjing University algebraic K-theory conference, Summer 2026.
  2. A counterexample to DG version of Han's conjecture, AMS 2026 Spring Eastern Sectional Meeting, Boston, Massachusetts, Spring 2026.
  3. Geometric phantom categories do not admit Noetherian t-structures, University of Maryland algebraic geometry seminar, College Park, Maryland, Fall 2025.
  4. Geometric phantom categories do not admit Noetherian t-structures, Brown University algebraic geometry seminar, Providence, Rhode Island, Spring 2025.
  5. Stability conditions on surface root stacks, Caltech/USC joint algebra & geometry seminar, Pasadena, California, Fall 2024.
  6. Nonexistence of exceptional bundles on P3 with maximal possible ranks, UIC algebraic geometry seminar, Chicago, Illinois, Fall 2023.
  7. Nonexistence of exceptional bundles on P3 with maximal possible ranks, Michigan algebraic geometry seminar, Ann Arbor, Michigan, Fall 2023.
  8. The cohomology of spherical vector bundles on K3 surfaces, BUGCAT 2022, Binghamton, New York, Winter 2022.
  9. Higher Rank Brill–Noether Theory on P2, GTA 2022, Philadelphia, Pennsylvania, Summer 2022.

Posters

  1. Spherical vector bundles on nodal K3 surfaces, MAGNTS 2023.
  2. The cohomology of spherical vector bundles on K3 surfaces, MAGNTS 2022.
  3. Higher Rank Brill–Noether Theory on P2, Moduli spaces and vector bundles.
  4. Higher Rank Brill–Noether Theory on P2, Richmond Geometry Festival 2022.

Talks at UIC

  1. The Grauert–Mülich theorem and Bogomolov inequality, Spring 2023, RTG reading group on moduli spaces of sheaves.
  2. Maximal rank exceptional vector bundles on P3 are constructive, Spring 2023, UIC graduate algebraic geometry seminar.
  3. The cohomology of spherical vector bundles on K3 surfaces, Fall 2022, UIC graduate algebraic geometry seminar.
  4. The Mukai's program, Fall 2022, UIC graduate algebraic geometry seminar.
  5. Du Bois Singularities, Spring 2022, UIC graduate algebraic geometry seminar.
  6. Donaldson–Thomas Invariants, Winter 2021, Gromov–Witten theory student seminar.
  7. Gromov–Witten invariants and quantum cohomology rings, Winter 2021, Gromov–Witten theory student seminar.
  8. Bridgeland stability conditions on K3 surfaces, Fall 2021, UIC Graduate Algebraic Geometry Seminar.
  9. Dice of 17 faces? (Regular polyhedrons of all dimensions), Fall 2021, UIC Math Club.
  10. Irrationality of cubic threefolds, Fall 2021, UIC graduate algebraic geometry seminar.
  11. Setup of Mori's program for M0,0(P3,3) (Picard group, ample cone, and basics about Mori dream spaces), Summer 2021, Hilbert scheme of twisted cubics student seminar.
  12. Resolution of singularities (Hironaka's theorem) II, Spring 2021, UIC graduate algebraic geometry seminar (Algebraic surface seminar).
  13. Resolution of singularities (Hironaka's theorem) I, Spring 2021, UIC graduate algebraic geometry seminar (Algebraic surface seminar).
  14. A brief introduction to Brill–Noether theory, Spring 2021, UIC graduate student colloquium.
  15. Introduction to algebraic surfaces, Spring 2021, UIC graduate algebraic geometry seminar (Algebraic surface seminar).
  16. Introduction to Ulrich bundles, Fall 2020, UIC graduate algebraic geometry seminar.