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Let $G$ be a linearly reductive group acting on a vector space $V$, and $f$ a (semi-)invariant polynomial on $V$. In this paper we study systematically decompositions of the Bernstein-Sato polynomial of $f$ in parallel with some…

Representation Theory · Mathematics 2018-02-23 András Cristian Lőrincz

For a central, not necessarily reduced, hyperplane arrangement $f$ equipped with any factorization $f = f_{1} \cdots f_{r}$ and for $f^{\prime}$ dividing $f$, we consider a more general type of Bernstein--Sato ideal consisting of the…

Algebraic Geometry · Mathematics 2020-06-30 Daniel Bath

We present new results and an algorithm for standard basis computations of a 0-dimensional ideal I in a power series ring or in the localization of a polynomial ring in finitely many variables over a field K. The algorithm provides a…

Commutative Algebra · Mathematics 2025-12-19 Gert-Martin Greuel , Gerhard Pfister , Hans Schönemann

We present a deterministic polynomial time algorithm for computing the zeta function of an arbitrary variety of fixed dimension over a finite field of small characteristic. One consequence of this result is an efficient method for computing…

Number Theory · Mathematics 2007-05-23 Alan G. B. Lauder , Daqing Wan

We construct an algorithm for solving the following problem: given a number field $K$, a positive integer $N$, and a positive real number $B$, determine all points in $\mathbb P^N(K)$ having relative height at most $B$. A theoretical…

Number Theory · Mathematics 2014-08-05 David Krumm

In characteristic zero, the Bernstein-Sato polynomial of a hypersurface can be described as the minimal polynomial of the action of an Euler operator on a suitable D-module. We consider the analogous D-module in positive characteristic, and…

Algebraic Geometry · Mathematics 2008-08-17 Mircea Mustata

Effective methods are introduced for testing zero-dimensionality of varieties at a point. The motivation of this paper is to compute and analyze deformations of isolated hypersurface singularities. As an application, methods for computing…

Symbolic Computation · Computer Science 2019-04-01 Katsusuke Nabeshima , Shinichi Tajima

If K/k is a function field in one variable of positive characteristic, we describe a general algorithm to factor one-variable polynomials with coefficients in K. The algorithm is flexible enough to find factors subject to additional…

Number Theory · Mathematics 2024-09-16 Jose Felipe Voloch

We propose a method called ideal regression for approximating an arbitrary system of polynomial equations by a system of a particular type. Using techniques from approximate computational algebraic geometry, we show how we can solve ideal…

Grouped data are commonly encountered in applications. The Bernstein polynomial model is proposed as an approximate model in this paper for estimating a univariate density function based on grouped data. The coefficients of the Bernstein…

Methodology · Statistics 2015-07-21 Zhong Guan

A computation method of algebraic local cohomology with parameters, associated with zero-dimensional ideal with parameter, is introduced. This computation method gives us in particular a decomposition of the parameter space depending on the…

Symbolic Computation · Computer Science 2015-08-28 Katsusuke Nabeshima , Shinichi Tajima

We present a randomized polynomial-time algorithm to generate a random integer according to the distribution of norms of ideals at most N in any given number field, along with the factorization of the integer. Using this algorithm, we can…

Number Theory · Mathematics 2017-06-29 Zachary Charles

We give a combinatorial description of the roots of the Bernstein-Sato polynomial of a monomial ideal using the Newton polyhedron and some semigroups associated to the ideal.

Algebraic Geometry · Mathematics 2007-05-23 Nero Budur , Mircea Mustata , Morihiko Saito

Given an n x n matrix A, we present a simple, element-wise sparsification algorithm that zeroes out all sufficiently small elements of A and then retains some of the remaining elements with probabilities proportional to the square of their…

Data Structures and Algorithms · Computer Science 2012-10-05 Petros Drineas , Anastasios Zouzias

We define the Bernstein-Sato ideal associated to a tuple of ideals and we relate it to the jumping points of the corresponding mixed multiplier ideals.

Commutative Algebra · Mathematics 2021-09-02 Josep Àlvarez Montaner

We define Bernstein-Sato polynomials for meromorphic functions and study their basic properties. In particular, we prove a Kashiwara-Malgrange type theorem on their geometric monodromies, which would be useful also in relation with the…

Complex Variables · Mathematics 2023-05-08 Kiyoshi Takeuchi

We present and analyse a Monte-Carlo algorithm to compute the minimal polynomial of an $n\times n$ matrix over a finite field that requires $O(n^3)$ field operations and O(n) random vectors, and is well suited for successful practical…

Rings and Algebras · Mathematics 2008-04-07 Max Neunhoeffer , Cheryl E. Praeger

This paper describes a method for computing all F-pure ideals for a given Cartier map of a polynomial ring over a finite field.

Commutative Algebra · Mathematics 2018-05-18 Alberto F. Boix , Mordechai Katzman

Given a multi-variant polynomial inequality with a parameter, how to find the best possible value of this parameter that satisfies the inequality? For instance, find the greatest number $k$ that satisfies $ a^3+b^3+c^3+…

Symbolic Computation · Computer Science 2016-03-07 Lu Yang , Ju Zhang

The estimation of the total of an attribute defined over a continuous planar domain is required in many applied settings, such as the estimation of canopy coverage in the Monterano Nature Reserve in Italy. If the design-based approach is…

Applications · Statistics 2012-03-20 Lucio Barabesi , Sara Franceschi , Marzia Marcheselli