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This paper aims to prove that given a isolated complete intersection singularity, the Milnor number will be bounded by a bound depending only on Tjurina number and dimension of the singularity. The proof uses A$\mathfrak{m}$AC (introduced…

Algebraic Geometry · Mathematics 2023-05-31 A. J. Parameswaran , Mohit Upmanyu

We describe an algorithm computing the monodromy and the pole order filtration on the top Milnor fiber cohomology of hypersurfaces in $\mathbb{P}^n$ whose pole order spectral sequence degenerates at the second page. In the case of…

Algebraic Geometry · Mathematics 2017-10-05 Alexandru Dimca , Gabriel Sticlaru

The paper collects different approaches and viewpoints on bilinear forms and hermitian forms around isolated hypersurface singularities. It gives the relations between them in precise formulas. It does not contain new results.

Algebraic Geometry · Mathematics 2020-11-23 Claus Hertling

We give in this work an explicit combinatorial algorithm for the description of the Milnor fiber of a Newton non degenerate surface singularity as a graph manifold. This is based on a previous work by the author describing a general method…

Algebraic Geometry · Mathematics 2020-05-15 Octave Curmi

We extend our model for affine structures on toric Calabi-Yau hypersurfaces math.AG/0205321 to the case of complete intersections.

Algebraic Geometry · Mathematics 2007-05-23 Christian Haase , Ilia Zharkov

Geometry of sparse systems of polynomial equations (i.e. the ones with prescribed monomials and generic coefficients) is well studied in terms of their Newton polytopes. The results of this study are colloquially known as the…

Algebraic Geometry · Mathematics 2024-01-23 Alexander Esterov

Intersection distribution and non-hitting index are concepts introduced recently by Li and Pott as a new way to view the behaviour of a collection of finite field polynomials. With both an algebraic interpretation via the intersection of a…

Combinatorics · Mathematics 2026-05-05 Sophie Huczynska , Lukas Klawuhn , Maura B. Paterson

Feynman integrals that have been evaluated in dimensional regularization can be written in terms of generalized hypergeometric functions. It is well known that properties of these functions are revealed in the framework of intersection…

High Energy Physics - Theory · Physics 2019-12-12 Samuel Abreu , Ruth Britto , Claude Duhr , Einan Gardi , James Matthew

We present a novel methodology for the numerical solution of problems of diffraction by infinitely thin screens in three dimensional space. Our approach relies on new integral formulations as well as associated high-order quadrature rules.…

Analysis of PDEs · Mathematics 2015-06-11 Oscar P. Bruno , Stephane K. Lintner

Given a convergent sequence of nodes we present a one-dimensional-holomorphic-function version of the Newton interpolation method of polynomials. It also generalises the Taylor and the Laurent formula. In other words, we present an…

Complex Variables · Mathematics 2012-02-28 Tomasz Sobieszek

In this paper, we improve the classical multiplicative ergodic theorem.

Dynamical Systems · Mathematics 2014-04-09 Xiongping Dai

Let G be a reductive algebraic group over a field k. When k=C, R.K.Brylinski constructed a filtration of weight spaces of a G module, using the action of a principal nilpotent element of the Lie algebra, and proved that this filtration…

Representation Theory · Mathematics 2020-07-27 Linyuan Liu

Multinets are certain configurations of lines and points with multiplicities in the complex projective plane $\mathbb{P}^2$. They appear in the study of resonance and characteristic varieties of complex hyperplane arrangement complements…

Algebraic Geometry · Mathematics 2018-10-10 Jeremiah Bartz

The Poincare series of a multi-index filtration on the ring of germs of functions can be written as a certain integral with respect to the Euler characteristic over the projectivization of the ring. Here this integral is considered with…

Algebraic Geometry · Mathematics 2007-05-23 Antonio Campillo , Felix Delgado , Sabir M. Gusein-Zade

We introduce spectral Hirzebruch-Milnor classes for singular hypersurfaces. These can be identified with Steenbrink spectra in the isolated singularity case, and may be viewed as their global analogues in general. Their definition uses…

Algebraic Geometry · Mathematics 2017-03-23 Laurentiu Maxim , Morihiko Saito , Joerg Schuermann

We observe that there is an equivalence between the singularity category of an affine complete intersection and the homotopy category of matrix factorizations over a related scheme. This relies in part on a theorem of Orlov. Using this…

Commutative Algebra · Mathematics 2012-05-14 Jesse Burke , Mark E. Walker

The purpose of this paper is to provide a new account of multiplicity for finite morphisms between smooth projective varieties. Traditionally, this has been defined using commutative algebra in terms of the length of integral ring…

Algebraic Geometry · Mathematics 2007-05-23 Tristram de Piro

We obtain a new important basic result on splice-quotient singularities in an elegant combinatorial-geometric way: every level of the divisorial filtration of the ring of functions is generated by monomials of the defining coordinate…

Algebraic Geometry · Mathematics 2008-12-24 Gábor Braun

Let Y be a hypersurface in projective space having only ordinary double points as singularities. We prove a variant of a conjecture of L. Wotzlaw on an algebraic description of the graded quotients of the Hodge filtration on the top…

Algebraic Geometry · Mathematics 2017-08-09 Alexandru Dimca , Morihiko Saito

We derive a number of inequalities involving L\^e numbers of non-isolated hypersurface singularities. In particular, we derive L\^e-Iomdine formulas with inequalities and use these, together with Teissier's Minkowski inequalities for…

Algebraic Geometry · Mathematics 2024-06-18 David B. Massey
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