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相关论文: Conics on Gushel-Mukai fourfolds, EPW sextics and …

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We study a correspondence between double EPW cubes and double EPW sextics, two families of polarized hyper-K\"ahler manifolds related to Gushel--Mukai fourfolds. We infer relations between these families in terms of Hodge structures and…

代数几何 · 数学 2024-02-05 Grzegorz Kapustka , Michal Kapustka , Giovanni Mongardi

We show that the double dual EPW sextic associated with a strongly smooth Gushel-Mukai surface can be realized as a moduli space of semistable objects on its bounded derived category. Also, we observe that the double dual EPW surface…

代数几何 · 数学 2026-05-26 Ziqi Liu , Shizhuo Zhang

In analogy to the case of cubic fourfolds, we discuss the conditions under which the double cover $\tilde{Y}_A$ of the EPW sextic hypersurface associated to a Gushel-Mukai fourfold is birationally equivalent to a moduli space of (twisted)…

代数几何 · 数学 2019-08-06 Laura Pertusi

Let $X$ be a very general Gushel-Mukai (GM) variety of dimension $n\geq 4$, and let $Y$ be a smooth hyperplane section. There are natural pull-back and push-forward functors between the semi-orthogonal components (known as the Kuznetsov…

代数几何 · 数学 2025-02-28 Soheyla Feyzbakhsh , Hanfei Guo , Zhiyu Liu , Shizhuo Zhang

Works by O'Grady allow to associate to a 2-dimensional Gushel-Mukai variety, which is a K3 surface, a double EPW sextic. We characterize the K3 surfaces whose associated double EPW sextic is smooth. As a consequence, we are able to produce…

代数几何 · 数学 2025-01-03 Pietro Beri

In this paper, we conduct the first systematic investigation of twisted cubics on Gushel-Mukai (GM) fourfolds. We then study the double EPW cube, a 6-dimensional hyperk\"ahler manifold associated with a general GM fourfold $X$, through the…

代数几何 · 数学 2025-01-23 Soheyla Feyzbakhsh , Hanfei Guo , Zhiyu Liu , Shizhuo Zhang

We prove the existence of Bridgeland stability conditions on the Kuznetsov components of Gushel-Mukai varieties, and describe the structure of moduli spaces of Bridgeland semistable objects in these categories in the even-dimensional case.…

代数几何 · 数学 2023-05-19 Alexander Perry , Laura Pertusi , Xiaolei Zhao

EPW-sextics are special 4-dimensional sextic hypersurfaces (with 20 moduli) which come equipped with a double cover. We analyze the double cover of EPW-sextics parametrized by a certain prime divisor in the moduli space. We associate to the…

代数几何 · 数学 2013-01-23 Kieran G. O'Grady

We construct two examples of projective hyper-K\"ahler fourfolds of K3[2]-type with an action of the alternating group A7, making them some of the most symmetric hyper-K\"ahler fourfolds. They are realized as so called double EPW sextics…

代数几何 · 数学 2024-12-30 Simone Billi , Tomasz Wawak

Beauville and Donagi proved in 1985 that the primitive middle cohomology of a smooth complex cubic fourfold and the primitive second cohomology of its variety of lines, a smooth hyperk\"ahler fourfold, are isomorphic as polarized integral…

代数几何 · 数学 2019-12-19 Olivier Debarre , Alexander Kuznetsov

Gushel-Mukai sixfolds are an important class of so-called Fano-K3 varieties. In this paper we show that they admit a multiplicative Chow-K\"unneth decomposition modulo algebraic equivalence and that they have the Franchetta property. As…

代数几何 · 数学 2023-05-24 Michele Bolognesi , Robert Laterveer

We prove that the invariant locus of the involution associated to a general double EPW sextic is a constant surface and introduce a filtration on $\CH_1$ of a Gushel-Mukai fourfold. We verify the sheaf/cycle correspondence for sheaves…

代数几何 · 数学 2023-02-28 Ruxuan Zhang

A locally complete family of projective symplectic 4-folds is provided by natural double covers of Eisenbud-Popescu-Walter (EPW) sextic hypersurfaces in projective 5-space. The dual of an EPW sextic is another EPW sextic, thus to a double…

代数几何 · 数学 2007-05-23 Kieran G. O'Grady

We study the Hilbert scheme $\mathcal{H}$ of twisted cubics on a special smooth Gushel-Mukai threefolds $X_{10}$. We show that it is a smooth irreducible projective threefold if $X_{10}$ is general among special Gushel-Mukai threefolds,…

代数几何 · 数学 2021-08-30 Shizhuo Zhang

In the first part of this paper we will prove the Voevodsky's nilpotence conjecture for smooth cubic fourfolds and ordinary generic Gushel-Mukai fourfolds. Then, making use of noncommutative motives, we will prove the Voevodsky's nilpotence…

代数几何 · 数学 2019-08-06 Mattia Ornaghi , Laura Pertusi

An EPW-sextic is a special 4-dimensional hypersurfaces of degree 6 which comes equipped with a double cover which generically is a Hyperkaehler 4-fold deformation equivalent to the Hilbert square of a K3 surface. The family of EPW-sextics…

代数几何 · 数学 2010-11-25 Kieran G. O'Grady

Double EPW quartics are hyperk\"ahler varieties of dimension 4, first introduced by Iliev, Kapustka, Kapustka, and Ranestad. The general double EPW quartic is isomorphic to a moduli space of twisted sheaves on a $K3$ surface. They have a…

代数几何 · 数学 2026-03-04 Carl Mazzanti

We revisit the work of Lehn-Lehn-Sorger-van Straten on twisted cubic curves in a cubic fourfold not containing a plane in terms of moduli spaces. We show that the blow-up $Z'$ along the cubic of the irreducible holomorphic symplectic…

代数几何 · 数学 2017-06-02 Martí Lahoz , Manfred Lehn , Emanuele Macrì , Paolo Stellari

We perform a systematic study of Gushel-Mukai varieties---quadratic sections of linear sections of cones over the Grassmannian Gr(2,5). This class of varieties includes Clifford general curves of genus 6, Brill-Noether general polarized K3…

代数几何 · 数学 2018-09-05 Olivier Debarre , Alexander Kuznetsov

We show that the conjectural construction proposed by Bayer, Bertram, Macr\'i and Toda gives rise to Bridgeland stability conditions for a principally polarized abelian three-fold with Picard rank one by proving that tilt stable objects…

代数几何 · 数学 2015-11-24 Antony Maciocia , Dulip Piyaratne
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