English
Related papers

Related papers: Some remarks on toroidal morphisms

200 papers

A systematic study of the contributions at infinity for the cohomology of variations of polarized Hodge structures over quasicompact K\"ahler manifolds. Several isomorphisms between different cohomologies given.

Algebraic Geometry · Mathematics 2007-05-23 Juergen Jost , Yihu Yang , Kang Zuo

We associate to every central simple algebra with involution of orthogonal type in characteristic two a totally singular quadratic form which reflects certain anisotropy properties of the involution. It is shown that this quadratic form can…

Rings and Algebras · Mathematics 2017-01-10 A. -H. Nokhodkar

This article gives a survey of recent results on a generalization of the notion of a Hodge structure. The main example is related to the Fourier-Laplace transform of a variation of polarizable Hodge structure on the punctured affine line,…

Algebraic Geometry · Mathematics 2013-12-10 Claude Sabbah

This paper extends previous work on linear correlations of representation functions of positive definite binary quadratic forms to allow indefinite forms.

Number Theory · Mathematics 2012-05-21 Lilian Matthiesen

We provide a coherent picture of our efforts thus far in extending real algebra and its links to the theory of quadratic forms over ordered fields in the noncommutative direction, using hermitian forms and "ordered" algebras with…

Rings and Algebras · Mathematics 2018-04-19 Vincent Astier , Thomas Unger

Smooth irreducible representations of tori over local fields have been parameterized by Langlands, using class field theory and Galois cohomology. This paper extends this parameterization to central extensions of such tori, which arise…

Representation Theory · Mathematics 2008-03-13 Martin H. Weissman

This expository survey describes how holomorphic quadratic differentials arise in several aspects of Teichm\"uller theory, highlighting their relation with various geometric structures on surfaces. The final section summarizes results for…

Geometric Topology · Mathematics 2019-02-19 Subhojoy Gupta

We extend Howie's characterization of alternating knots to give a topological characterization of toroidally alternating knots, which were defined by Adams. We provide necessary and sufficient conditions for a knot to be toroidally…

Geometric Topology · Mathematics 2016-08-02 Seungwon Kim

In this paper we prove strong toroidalization of birational morphisms of 3-folds. Suppose that f:X\to Y is a birational morphism of nonsingular complete 3-folds, and D_Y, D_X are simple normal crossings divisors on Y and X such that…

Algebraic Geometry · Mathematics 2007-05-23 Steven Dale Cutkosky

For every natural number $m$, the existentially closed models of the theory of fields with $m$ commuting derivations can be given a first-order geometric characterization in several ways. In particular, the theory of these differential…

Logic · Mathematics 2013-01-04 David Pierce

For a field $E$ of characteristic different from $2$ and cohomological $2$-dimension one, quadratic forms over the rational function field $E(X)$ are studied. A characterisation in terms of polynomials in $E[X]$ is obtained for having that…

Commutative Algebra · Mathematics 2021-07-16 Karim Johannes Becher , Parul Gupta

This paper completes description of categories of representations of finite-dimensional simple unital Jordan superalgebras over algebraically closed field of characteristic zero.

Representation Theory · Mathematics 2020-05-14 Iryna Kashuba , Vera Serganova

In this note we survey recent results on automorphisms of affine algebraic varieties, infinitely transitive group actions and flexibility. We present related constructions and examples, and discuss geometric applications and open problems.

Algebraic Geometry · Mathematics 2013-07-18 I. Arzhantsev , H. Flenner , S. Kaliman , F. Kutzschebauch , M. Zaidenberg

We prove that a certain class of open homomorphisms between Galois groups of function fields of curves over finite fields arise from embeddings between the function fields.

Algebraic Geometry · Mathematics 2009-12-11 Mohamed Saidi , Akio Tamagawa

In this work, we generalize several topological results and concepts from ring theory to the setting of monoids.

Commutative Algebra · Mathematics 2026-03-10 Doniyor Yazdonov , Carmelo Antonio Finocchiaro

In this paper we construct a spectral sequence computing a modified version of morphic cohomology of a toric variety (even when it is singular) in terms of combinatorial data coming from the fan of the toric variety.

Algebraic Geometry · Mathematics 2010-01-19 Abdó Roig-Maranges

Given a simple finite-dimensional Lie algebra and an automorphism of finite order, one defines the notion of a twisted toroidal Lie algebra. In this paper, we construct representations of twisted toroidal Lie algebras from twisted modules…

Quantum Algebra · Mathematics 2021-03-05 Bojko Bakalov , Samantha Kirk

Importance of theorem dedicated to isomorphisms consist in statement that they allow to identify different mathematical objects which have something common from the point of view of certain model. This paper considers morphisms of \Ts…

Differential Geometry · Mathematics 2008-03-19 Aleks Kleyn

In this paper, we study affine commutative algebraic monoid structures on affine spaces over an arbitrary field of characteristic zero. We obtain full classification of such structures on $\mathbb{A}_K^2$ and $\mathbb{A}_K^3$ and describe…

Algebraic Geometry · Mathematics 2022-07-04 Andrei V. Semenov , Pavel Gvozdevsky

In this talk we go over several new developments regarding the techniques for a large class of non-hermitian matrix models with unitary randomness (complex random numbers). In particular, we discuss: (a) - A diagrammatic approach based on a…

High Energy Physics - Phenomenology · Physics 2008-02-03 Romuald A. Janik , Maciej A. Nowak , Gabor Papp , Ismail Zahed