Toulouse Mathematics Institute

Paul Sabatier University

118, route de Narbonne

F-31062 Toulouse Cedex 9

France

Email: manivel@math.cnrs.fr

**Research interests**

Complex algebraic geometry

Homogeneous spaces and
representations of algebraic groups

Quantum cohomology
and derived categories

Geometric Complexity

**Jean-Pierre Demailly (1957-2022)**

Photo: Holly CHEN 2019

# News

The FanoHK project (*From Fano manifolds to HyperKähler varieties*), funded by the ANR, started in April 2021 and will last five years.

Last meeting in Paris, February 7-9, 2024.

# Preprints

*Even nodal surfaces of K3 type*

with M. Bernardara, E. Fatighenti, G. Kapustka, M. Kapustka, G. Mongardi and F. Tanturri

30 pages, arXiv:2402.08528.

*Hecke cycles on moduli of vector bundles and orbital degeneracy loci*

with V. Benedetti, M. Bolognesi, D. Faenzi, 21 pages, arXiv:2310.06482.

*Equivariant spaces of matrices of constant rank*

with J.M. Landsberg, 26 pages, arXiv:2212.04228, to appear in PAMQ.

*A birational involution*

with P. Beri, 43 pages, arXiv:2211.12866.

*Discriminants of theta-representations*

with V. Benedetti, 20 pages, arXiv:2204.02020, to appear in Annali SNS di Pisa.

*Fano fourfolds of K3 type*

with M. Bernardara, E. Fatighenti and F. Tanturri, 66 pages, arXiv:2111.13030.

*Proof of a conjecture of Sturmfels, Timme and Zwiernik*

9 pages, arXiv:2108.11085.

# Recent publications

*On the automorphisms of hyperplane sections of generalized Grassmannians*

with V. Benedetti, Transformation Groups**29**(2024), 1115-1159.

*Complete quadrics: Schubert calculus for Gaussian models and semidefinite programming*

with M. Michalek, L. Monin, T. Seynnaeve, M. Vodicka, JEMS**26**(2024), 3091–3135.

*The Coble quadric*

with V. Benedetti, M. Bolognesi, D. Faenzi, Forum Math. Sigma**12**(2024), Paper e63, 25 pages.

*A four dimensional cousin of the Segre cubic*

Rev. Mat. Iberoamericana**40**(2024), 1089-1114.

*Matrices of linear forms of constant rank from vector bundles on projective spaces*

with R.M. Miro-Roig, Adv. Math.**436**(2024), Paper No. 109408, 42 pages.

*Four-Dimensional Lie algebras revisited*

with B. Sturmfels and S. Sverrisdóttir, J. Lie Theory**33**(2023), 703-712.

*On a class of spaces of skew-symmetric forms related to Hamiltonian systems of conservation laws*

with J. Ferapontov, Manuscripta Math**172**(2023), 599–620.

*Horospherical two-orbits varieties as zero loci*

with B. Pasquier, Proc. Amer. Math. Soc.**151**(2023), 3347-3363.