English
Related papers

Related papers: Invariants in equivariant birational geometry

200 papers

We introduce new invariants in equivariant birational geometry and study their relation to modular symbols and cohomology of arithmetic groups.

Algebraic Geometry · Mathematics 2019-08-23 Maxim Kontsevich , Vasily Pestun , Yuri Tschinkel

We discuss the equivariant Burnside group and related new invariants in equivariant birational geometry, with a special emphasis on applications in low dimensions.

Algebraic Geometry · Mathematics 2020-10-20 Brendan Hassett , Andrew Kresch , Yuri Tschinkel

We construct new invariants of equivariant birational isomorphisms taking values in equivariant Burnside groups.

Algebraic Geometry · Mathematics 2022-08-12 Andrew Kresch , Yuri Tschinkel

We investigate the birational geometry of Deligne-Mumford stacks and define new birational invariants in this context.

Algebraic Geometry · Mathematics 2023-12-22 Andrew Kresch , Yuri Tschinkel

We investigate equivariant birational geometry of rational surfaces and threefolds from the perspective of derived categories.

Algebraic Geometry · Mathematics 2023-11-28 Christian Böhning , Hans-Christian Graf von Bothmer , Yuri Tschinkel

In this paper we will survey some recent developments in the last decade or so on variation of Geometric Invariant Theory and its applications to Birational Geometry such as the weak Factorization Theorems of nonsingular projective…

Algebraic Geometry · Mathematics 2007-05-23 Yi Hu

We study linear actions of finite groups in small dimensions, up to equivariant birationality.

Algebraic Geometry · Mathematics 2023-02-07 Yuri Tschinkel , Kaiqi Yang , Zhijia Zhang

We study equivariant birationality from the perspective of derived categories. We produce examples of nonlinearizable but stably linearizable actions of finite groups on smooth cubic fourfolds.

Algebraic Geometry · Mathematics 2023-04-19 Christian Böhning , Hans-Christian Graf von Bothmer , Yuri Tschinkel

We give a survey on higher invariants in noncommutative geometry and their applications to differential geometry and topology.

K-Theory and Homology · Mathematics 2019-05-31 Zhizhang Xie , Guoliang Yu

In this paper, we discuss the birational invariance of the class of balanced hyperbolic manifolds.

Algebraic Geometry · Mathematics 2024-10-18 Jixiang Fu , Hongjie Wang , Jingcao Wu

Several new invariants for Lie algebroids have been discovered recently. We give an overview of these invariants and establish several relationships between them.

Differential Geometry · Mathematics 2007-05-23 Rui L. Fernandes

We study $G$-equivariant birational geometry of toric varieties, where $G$ is a finite group.

Algebraic Geometry · Mathematics 2021-12-10 Andrew Kresch , Yuri Tschinkel

We develop the formalism of universal torsors in equivariant birational geometry and apply it to produce new examples of nonbirational but stably birational actions of finite groups.

Algebraic Geometry · Mathematics 2022-04-08 Brendan Hassett , Yuri Tschinkel

We study involutions on K3 surfaces under conjugation by derived equivalence and more general relations, together with applications to equivariant birational geometry.

Algebraic Geometry · Mathematics 2024-08-02 Brendan Hassett , Yuri Tschinkel

We classify invariant curves for birational surface maps that are expanding on cohomology. When the expansion is exponential, the arithmetic genus of an invariant curve is at most one. This implies severe constraints on both the type and…

Algebraic Geometry · Mathematics 2007-05-23 Jeffrey Diller , Daniel Jackson , Andrew Sommese

This paper is devoted to a discussion of specific properties of invariants in the theory of forms.

Analysis of PDEs · Mathematics 2010-07-02 Mehdi Nadjafikhah , Parastoo Kabi-Nejad

We study some homological invariants of a given generalized bound path algebra in terms of those of the algebras used in its construction. We discuss the particular case where the algebra is a generalized path algebra and give conditions…

Representation Theory · Mathematics 2024-03-27 Viktor Chust , Flávio U. Coelho

In this paper we describe the algebra of differential invariants for GL(n,C)-structures. This leads to classification of almost complex structures of general positions. The invariants are applied to the existence problem of…

Differential Geometry · Mathematics 2007-12-21 Boris Kruglikov

We introduce equivariant Burnside groups, new invariants in equivariant birational geometry, generalizing birational symbols groups for actions of finite abelian groups, due to Kontsevich, Pestun, and the second author, and study their…

Algebraic Geometry · Mathematics 2020-07-27 Andrew Kresch , Yuri Tschinkel

We provide a geometric characterisation of binary sextics with vanishing quadratic invariant.

Differential Geometry · Mathematics 2016-08-03 Maciej Dunajski , Roger Penrose
‹ Prev 1 2 3 10 Next ›