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Related papers: Log canonical models of elliptic surfaces

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We prove that the class of log canonical rational singularities is closed under the basic operations of the minimal model program. We also give some supplementary results on the minimal model program for log canonical surfaces.

Algebraic Geometry · Mathematics 2015-03-05 Osamu Fujino

We classify singular fibres of a projective Lagrangian fibration over codimension one points. As an application, we obtain a canonical bundle formula for a projective Lagrangian fibration over a smooth manifold.

Algebraic Geometry · Mathematics 2016-11-28 Daisuke Matsushita

In this article we study the deformation of finite maps and show how to use this deformation theory to construct varieties with given invariants in a projective space. Among other things, we prove a criterion that determines when a finite…

Algebraic Geometry · Mathematics 2010-06-08 F. J. Gallego , M. González , B. P. Purnaprajna

We study the Hodge structure of elliptic surfaces which are canonically defined from bielliptic curves of genus three. We prove that the period map for the second cohomology has one dimensional fibers, and the period map for the total…

Algebraic Geometry · Mathematics 2017-01-25 Atsushi Ikeda

We study deformation theory of elliptic fibre bundles over curves in positive characteristics. As applications, we give examples of non-liftable elliptic surfaces in charactertic two and three, which answers a question of Katsura and Ueno.…

Algebraic Geometry · Mathematics 2015-01-14 Holger Partsch

We compute a large number of moduli spaces of stable bundles on a general algebraic elliptic surface using a new class of Fourier-Mukai type transforms.

alg-geom · Mathematics 2008-02-03 Tom Bridgeland

We study torsion-free, rank 2 Higgs sheaves on genus one fibered surfaces, (semi)stable with respect to suitable polarizations in the sense of Friedman and O'Grady. We prove that slope-semistability of a Higgs sheaf on the surface implies…

Algebraic Geometry · Mathematics 2023-08-08 Ugo Bruzzo , Vitantonio Peragine

This paper is the first in a series of three devoted to the smooth classification of simply connected elliptic surfaces. The method is to compute some coefficients of Donaldson polynomials of $SO(3)$ invariants whose second Stiefel-Whitney…

alg-geom · Mathematics 2008-02-03 Robert Friedman

We describe explicitly the geometric compactifications, obtained by adding slc surfaces $X$ with ample canonical class, for two connected components in the moduli space of surfaces of general type: Campedelli surfaces with $\pi_1(X)=\mathbb…

Algebraic Geometry · Mathematics 2025-05-15 Valery Alexeev , Rita Pardini

Under some assumptions, we compute the Picard group of moduli of stable sheaves on Abelian surfaces. Considering relative moduli spaces, it is sufficient to consider the moduli of stable sheaves on the product of elliptic curves. By using…

alg-geom · Mathematics 2008-02-03 Kota Yoshioka

In this article we determine exactly which line bundles on elliptic ruled surface X are normally presented. In particular we see that numerical classes of normally presented divisors form a convex set. (recall that Num(X) is generated by…

alg-geom · Mathematics 2008-02-03 Francisco Gallego , B. P. Purnaprajna

We compute the log canonical thresholds of non-negatively curved singular hermitian metrics on ample linearized line bundles on bi-equivariant group compactifications of complex reductive groups. To this end, we associate to any such metric…

Algebraic Geometry · Mathematics 2020-09-16 Thibaut Delcroix

We classify the Deligne-Mumford stacks M compactifying the moduli space of smooth $n$-pointed curves of genus one under the condition that the points of M represent Gorenstein curves with distinct markings. This classification uncovers new…

Algebraic Geometry · Mathematics 2023-02-22 Sebastian Bozlee , Bob Kuo , Adrian Neff

We show that the moduli space of rational elliptic surfaces admitting a section is locally a complex hyperbolic variety of dimension eight. We compare its Satake-Baily-Borel compactification with a compactification obtained by means of…

Algebraic Geometry · Mathematics 2007-05-23 Gert Heckman , Eduard Looijenga

Hassett and Keel predicted that there is a descending sequence of critical $\alpha$ values where the log canonical model for the moduli space of stable curves with respect to $\alpha \delta$ changes. We derive a conjectural formula for the…

Algebraic Geometry · Mathematics 2011-03-30 Donghoon Hyeon

We prove that the target space of an extremal Fano contraction from a log canonical pair has only log canonical singularities. We also treat some related topics, for example, the finite generation of canonical rings for compact K\"ahler…

Algebraic Geometry · Mathematics 2014-06-26 Osamu Fujino

We compare the minimal model of a log canonical pair with the minimal model of its reduced boundary. These results are then used to study the existence of the minimal model of a semi-log-canonical pair using its normalization.

Algebraic Geometry · Mathematics 2017-09-13 Florin Ambro , János Kollár

We show that every coarse moduli space, parametrizing complex special linear rank two local systems with fixed boundary traces on a surface with nonempty boundary, is log Calabi-Yau in that it has a normal projective compactification with…

Algebraic Geometry · Mathematics 2020-10-07 Junho Peter Whang

The moduli space of cubic surfaces and its compactifications are classical and date back to the mid-nineteenth century. Recently, Schock described compactifications of moduli spaces of fully marked cubic surfaces with their 27 lines via…

Algebraic Geometry · Mathematics 2026-04-15 Jon Kim

We introduce the notion of generalized MR log canonical surfaces and establish the minimal model theory for generalized MR log canonical surfaces in full generality.

Algebraic Geometry · Mathematics 2020-12-03 Osamu Fujino