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Sasha Viktorova
  • About
  • Research
  • CV
Sasha Viktorova
  • About
  • Research
  • CV
  • More
    • About
    • Research
    • CV

Papers:

  • Cubic fourfolds containing highly singular hyperplane sections, with Lisa Marquand

  • Birational automorphism groups in families of hyper-Kähler manifolds, with Francesco Denisi, Claudio Onorati, and Francesca Rizzo

  • Irreducible symplectic varieties via relative Prym varieties, with Emma Brakkee, Chiara Camere, Annalisa Grossi, Laura Pertusi, and Giulia Saccà, to appear in Adv. Math.

  • The defect of a cubic threefold, with Lisa Marquand, IMRN (2025)

  • On the classification of singular cubic threefolds, Trans. Amer. Math. Soc. (2025)

Recent research talks:

  • Relative Prym varieties and their automorphisms

  1. Singularities and Algebraic Geometry, University of Phan Thiet, January 2026

  2. Tour de Formosa: Algebraic Geometry along Taiwan’s east coast, January 2026

  • A new construction of a non-special divisor in the moduli space of cubic fourfolds

  1.  2026 TMS Annual Meeting, National Chung Cheng University, January 2026

  2. Seminar Number Theory and Algebraic Geometry, KU Leuven, December 2025

  • Cubic fourfolds containing special hyperplane sections,  Real algebraic geometry and Birational geometry, CIRM, Marseille, June 2025

  • Very good lines on cubic threefolds, Hyperkähler in Milan, University of Milan, March 2025

  • Irreducible symplectic varieties via relative Prym varieties

  1. Algebraic Geometry Seminar, Courant Institute of Mathematical Sciences, New York, October 2024

  2. The Antwerp Algebra Colloquium, University of Antwerp, May 2024

  • Classification and invariants of singular cubic threefolds, Algebra, Geometry and Number Theory seminar, Leiden University, April 2024

  • An introduction to hypersurface singularities, Methusalem Colloquium, KU Leuven, March 2024

Recorded talks:

  • Irreducible symplectic varieties via relative Prym varieties, The Antwerp Algebra Colloquium, University of Antwerp, May 2024

  • The defect of a cubic threefold, School: K3 surfaces, hyperkähler manifolds, and cubic fourfolds, Hausdorff Research Institute for Mathematics, Bonn, September 2023

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