Fine compactified Jacobians of reduced curves

M Melo, A Rapagnetta, F Viviani - Transactions of the American …, 2017 - ams.org
To every singular reduced projective curve $ X $ one can associate many fine compactified
Jacobians, depending on the choice of a polarization on $ X $, each of which yields a …

[PDF][PDF] Tropicalization of the universal Jacobian

M Melo, S Molcho, M Ulirsch… - Épijournal de Géométrie …, 2022 - epiga.episciences.org
In this article we provide a stack-theoretic framework to study the universal tropical Jacobian
over the moduli space of tropical curves. We develop two approaches to the process of …

The universal tropical Jacobian and the skeleton of the Esteves' universal Jacobian

A Abreu, M Pacini - Proceedings of the London Mathematical …, 2020 - Wiley Online Library
For each universal genus‐g polarization μ of degree d, we construct a universal tropical
Jacobian J μ, gtrop as a generalized cone complex over the moduli space of stable pointed …

Fourier–Mukai and autoduality for compactified Jacobians. I

M Melo, A Rapagnetta, F Viviani - Journal für die reine und …, 2019 - degruyter.com
To every singular reduced projective curve X one can associate, following Esteves, many
fine compactified Jacobians, depending on the choice of a polarization on X, each of which …

The local structure of compactified Jacobians

S Casalaina-Martin, JL Kass… - Proceedings of the …, 2015 - academic.oup.com
This paper studies the local geometry of compactified Jacobians. The main result is a
presentation of the completed local ring of the compactified Jacobian of a nodal curve as an …

A support theorem for Hilbert schemes of planar curves, II

L Migliorini, V Shende, F Viviani - Compositio Mathematica, 2021 - cambridge.org
We study the cohomology of Jacobians and Hilbert schemes of points on reduced and
locally planar curves, which are however allowed to be singular and reducible. We show …

A support theorem for\break the Hitchin fibration: The case of GLn and KC

MAA de Cataldo, J Heinloth… - Journal für die reine und …, 2021 - degruyter.com
We compute the supports of the perverse cohomology sheaves of the Hitchin fibration for GL
n over the locus of reduced spectral curves. In contrast to the case of meromorphic Higgs …

Fourier–Mukai and autoduality for compactified Jacobians, II

M Melo, A Rapagnetta, F Viviani - Geometry & Topology, 2019 - msp.org
To every reduced (projective) curve X with planar singularities one can associate, following
E Esteves, many fine compactified Jacobians, depending on the choice of a polarization on …

Stability conditions for line bundles on nodal curves

N Pagani, O Tommasi - Forum of Mathematics, Sigma, 2024 - cambridge.org
We introduce the abstract notion of a smoothable fine compactified Jacobian of a nodal
curve, and of a family of nodal curves whose general element is smooth. Then we introduce …

[HTML][HTML] Extensions of the universal theta divisor

JL Kass, N Pagani - Advances in Mathematics, 2017 - Elsevier
The Jacobian varieties of smooth curves fit together to form a family, the universal Jacobian,
over the moduli space of smooth pointed curves, and the theta divisors of these curves form …