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Related papers: The gradient of a polynomial at infinity

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This paper describes infinite sets of polynomial equations in infinitely many variables with the property that the existence of a solution or even an approximate solution for every finite subset of the equations implies the existence of a…

Functional Analysis · Mathematics 2025-03-03 Melvyn B. Nathanson , David A. Ross

Let h = \sum h_{\alpha \beta} X^\alpha Y^\beta be a polynomial with complex coefficients. The Lojasiewicz exponent of the gradient of h at infinity is the upper bound of the set of all real \lambda such that |grad h(x, y)| >=…

Complex Variables · Mathematics 2009-09-25 Andrzej Lenarcik

We develop two methods for expressing the global index of the gradient of a 2 variable polynomial function $f$: in terms of the atypical fibres of $f$, and in terms of the clusters of Milnor arcs at infinity. These allow us to derive upper…

Algebraic Geometry · Mathematics 2024-10-30 Gabriel E. Monsalve , Mihai Tibăr

We give a formula and an estimation for the number of irreducible polynomials in two (or more) variables over a finite field.

Commutative Algebra · Mathematics 2007-06-11 Arnaud Bodin

The Lojasiewicz exponent at infinity of an entire function measures of the infimal rate of growth of its gradient. The authors compute the Lojasiewicz exponents at infinity of the 3-variable complex polynomials x - 3 x^{2n+1} y^{2q} + 2…

Complex Variables · Mathematics 2009-09-25 Laurentiu Paunescu , Alexandru Zaharia

We characterize atypical values at infinity of a real polynomial function of three variables by a certain sum of indices of the gradient vector field of the function restricted to a sphere with a sufficiently large radius. This is an…

Geometric Topology · Mathematics 2024-07-12 Masaharu Ishikawa , Tat-Thang Nguyen

We describe a method to evaluate multivariate polynomials over a finite field and discuss its multiplicative complexity.

Commutative Algebra · Mathematics 2016-04-01 Edoardo Ballico , Michele Elia , Massimiliano Sala

We study the growth of polynomials on semialgebraic sets. For this purpose we associate a graded algebra to the set, and address all kinds of questions about finite generation. We show that for a certain class of sets, the algebra is…

Algebraic Geometry · Mathematics 2013-05-07 Pinaki Mondal , Tim Netzer

We study the probability distribution of the number of zeros of multivariable polynomials with bounded degree over a finite field. We find the probability generating function for each set of bounded degree polynomials. In particular, in the…

Probability · Mathematics 2025-07-30 Ritik Jain , Han-Bom Moon , Peter Wu

This article deals with the second order linear differential equations with entire coefficients. We prove some results involving conditions on coefficients so that the order of growth of every non-trivial solution is infinite.

Complex Variables · Mathematics 2021-02-24 Garima Pant , Manisha Saini

We classify singularities at infinity of polynomials of degree 3 in 3 variables, $ f (x_0, x_1, x_2) = f_1 (x_0, x_1, x_2) + f_2 (x_0, x_1, x_2) + f_3 (x_0, x_1, x_2) $, $ f_i $ homogeneous polynomial of degree $ i $, $ i = 1,2,3 $. Based…

Algebraic Geometry · Mathematics 2022-01-27 Nilva Rodrigues Ribeiro

A polynomial is expansive if all of its roots lie outside the unit circle. We define some special determinants involving the coefficients of a real polynomial and formulate necessary and sufficient conditions for expansivity using these…

Number Theory · Mathematics 2020-11-09 M. J. Uray

This is a straightforward introduction to the properties of polynomials in many variables that do not vanish in the open upper half plane. Such polynomials generalize many of the well-known properties of polynomials with all real roots.

Classical Analysis and ODEs · Mathematics 2007-11-27 Steve Fisk

This paper investigates the p-adic valuation trees of degree-2 and degree-3 polynomials in two variables over any prime p, building upon prior research outlined in [14].

General Mathematics · Mathematics 2024-07-16 Shubham

We investigate average gradient degree of normal random polynomials of fixed algebraic degree n. In particular, for polynomials of two variables, asymptotics of the average gradient degree for large values of n is determined.

High Energy Physics - Theory · Physics 2007-05-23 George Khimshiashvili , Alexander Ushveridze

This paper describes a novel method to approximate the polynomial coefficients of regression functions, with particular interest on multi-dimensional classification. The derivation is simple, and offers a fast, robust classification…

Machine Learning · Statistics 2012-03-27 Péter Kövesárki

The aim of this paper is to show that there exists a deterministic algorithm that can be applied to compute the factors of a polynomial of degree 2, defined over a finite field, given certain conditions.

Number Theory · Mathematics 2017-09-19 Amalaswintha Wolfsdorf

In the perfect conductivity problem of composite material, the gradient of solutions can be arbitrarily large when two inclusions are located very close. To characterize the singular behavior of the gradient in the narrow region between two…

Analysis of PDEs · Mathematics 2019-04-05 HaiGang Li , YanYan Li , ZhuoLun Yang

We generalize and complete some of Maxim's recent results on Alexander invariants of a polynomial transversal to the hyperplane at infinity. Roughly speaking, and surprisingly, such a polynomial behaves both topologically and algebraically…

Algebraic Geometry · Mathematics 2007-05-23 Alexandru Dimca , Anatoly Libgober

We show that the number of bifurcation points at infinity of a polynomial function f : C2 -> C is at most the number of branches at infinity of a generic fiber of f and that this upper bound can be diminished by one in certain cases.

Algebraic Geometry · Mathematics 2015-03-24 Zbigniew Jelonek , Mihai Tibar
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