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Related papers: Singular Fano threefolds of genus 12

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We show that general one-nodal prime Fano threefolds of genus $12$ are K-polystable.

Algebraic Geometry · Mathematics 2025-10-14 Elena Denisova , Anne-Sophie Kaloghiros

We study prime Fano threefolds of genus 12 ($V_{22}$-varieties) with positive-dimensional automorphism groups in positive and mixed characteristic. We classify such varieties over any perfect field. In particular, we prove that…

Algebraic Geometry · Mathematics 2026-01-16 Tetsushi Ito , Akihiro Kanemitsu , Teppei Takamatsu , Yuuji Tanaka

We give an explicit construction of prime Fano threefolds of genus 12 with a $G_m$-action, describe their isomorphism classes and automorphism groups.

Algebraic Geometry · Mathematics 2023-06-22 Alexander Kuznetsov , Yuri Prokhorov

We classify three-dimensional Fano varieties with canonical Gorenstein singularities of degree bigger than 64.

Algebraic Geometry · Mathematics 2015-05-13 Ilya Karzhemanov

We study Fano threefolds with Picard number one equipped with a holomorphic section in $\Omega_V^1(1)$.

Algebraic Geometry · Mathematics 2007-05-23 Priska Jahnke , Ivo Radloff

We find all K-stable smooth Fano threefolds in the family No. 2.22.

Algebraic Geometry · Mathematics 2022-07-15 Ivan Cheltsov , Jihun Park

A V_{12} Fano threefold is a smooth Fano threefold X of index 1 with Pic X = Z and (-K_X)^3=12. We show that the bounded derived category of coherent sheaves on any V_{12} threefold X admits a semiorthogonal decomposition consisting of two…

Algebraic Geometry · Mathematics 2007-05-23 Alexander Kuznetsov

We consider Fano threefolds $V$ with canonical Gorenstein singularities. A sharp bound $-K_V^3\le 72$ of the degree is proved.

Algebraic Geometry · Mathematics 2025-11-26 Yuri G. Prokhorov

We classify Q-Fano threefolds of Fano index > 2 and big degree.

Algebraic Geometry · Mathematics 2016-01-29 Yuri Prokhorov

We obtain upper bounds on the number of singular points of factorial terminal Fano threefolds.

Algebraic Geometry · Mathematics 2017-08-02 Yu. Prokhorov

We study toric G-solid Fano threefolds that have at most terminal singularities, where G is an algebraic subgroup of the normalizer of a maximal torus in their automorphism groups.

Algebraic Geometry · Mathematics 2023-02-03 Ivan Cheltsov , Adrien Dubouloz , Takashi Kishimoto

We describe the automorphism groups of smooth Fano threefolds of rank 2 and degree 28 in the cases where they are finite.

Algebraic Geometry · Mathematics 2024-05-15 Joseph Malbon

We classify non-factorial nodal Fano threefolds with $1$ node and class group of rank $2$.

Algebraic Geometry · Mathematics 2024-10-04 Ivan Cheltsov , Igor Krylov , Jesus Martinez-Garcia , Evgeny Shinder

We observe a method for finding weak Landau-Ginzburg models for Fano varieties and find them for smooth Fano threefolds of genera 9, 10, and 12.

Algebraic Geometry · Mathematics 2018-08-07 Victor Przyjalkowski

We study Fano threefolds with~terminal singularities admitting a "minimal" action of a finite group. We prove that under certain additional assumptions such a variety does not contain planes. We also obtain an upper bounds of the number of…

Algebraic Geometry · Mathematics 2019-08-14 Yuri Prokhorov

We classify toric Fano threefolds having at worst terminal singularities such that a rank of a $G$-invariant part of a class group equals one, where $G$ is a group acting on the variety by automorphisms.

Algebraic Geometry · Mathematics 2022-09-05 Arman Sarikyan

We classify some special classes of non-rational Fano threefolds with terminal singularities. In particular, all such hyperelliptic and trigonal varieties are found.

Algebraic Geometry · Mathematics 2019-07-15 Yuri Prokhorov

The connection between these Fano 3-folds and plane quartic curves is explained.

Algebraic Geometry · Mathematics 2007-05-23 Frank-Olaf Schreyer

We classify Fano threefolds with only terminal singularities whose canonical class is Cartier and divisible by 2, and satisfying an additional assumption that the $G$-invariant part of the Weil divisor class group is of rank 1 with respect…

Algebraic Geometry · Mathematics 2013-08-06 Yuri Prokhorov

We classify smooth Fano threefolds with infinite automorphism groups.

Algebraic Geometry · Mathematics 2021-06-11 Ivan Cheltsov , Victor Przyjalkowski , Constantin Shramov
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