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The Galois/monodromy group of a family of geometric problems or equations is a subtle invariant that encodes the structure of the solutions. Computing monodromy permutations using numerical algebraic geometry gives information about the…

Algebraic Geometry · Mathematics 2016-05-26 Jonathan D. Hauenstein , Jose Israel Rodriguez , Frank Sottile

In this paper, we present methods to simplify reducible linear differential systems before solving. Classical integrals appear naturally as solutions of such systems. We will illustrate the methods developed in a previous paper on several…

Classical Analysis and ODEs · Mathematics 2021-09-30 Thomas Dreyfus , Jacques-Arthur Weil

This paper introduces a novel approach to understanding Galois theory, one of the foundational areas of algebra, through the lens of machine learning. By analyzing polynomial equations with machine learning techniques, we aim to streamline…

Machine Learning · Computer Science 2025-01-23 Elira Shaska , Tony Shaska

We explain in detail the definition, construction and generalisation of the Galois group of Chebyshev polynomials of high degree to the Galois group of chaotic chains. The calculations in this paper are performed for Chebyshev polynomials…

Chaotic Dynamics · Physics 2019-02-04 Stefan Groote

We present a difference analogue of a result given by Hrushovski on differential Galois groups under specialization. Let $k$ be an algebraically closed field of characteristic zero and $\mathbb{X}$ an irreducible affine algebraic variety…

Rings and Algebras · Mathematics 2020-03-11 Ruyong Feng

If we consider a q-analogue of linear differential equation, Galoois group of the q-analogue difference equation is still a linear algebraic group. Namely, by a quantization of linear differential equation, Galois group is not quantized. We…

Quantum Algebra · Mathematics 2012-12-17 Katsunori Saito , Hiroshi Umemura

This thesis is concerning to the Differential Galois Theory point of view of the Supersymmetric Quantum Mechanics. The main object considered here is the non-relativistic stationary Schr\"odinger equation, specially the integrable cases in…

Quantum Physics · Physics 2009-06-22 Primitivo B. Acosta-Humanez

Linear differential algebraic groups (LDAGs) appear as Galois groups of systems of linear differential and difference equations with parameters. These groups measure differential-algebraic dependencies among solutions of the equations.…

Representation Theory · Mathematics 2013-03-05 Andrey Minchenko , Alexey Ovchinnikov

The difference Galois theory of Mahler equations is an active research area. The present paper aims at developing the analytic aspects of this theory. We first attach a pair of connection matrices to any regular singular Mahler equation. We…

Number Theory · Mathematics 2022-03-09 Marina Poulet

The Galois theory of logarithmic differential equations with respect to relative D-groups in partial differential-algebraic geometry is developed.

Logic · Mathematics 2013-09-16 Omar Leon Sanchez

This work provides a method(an algorithm) for solving the solvable unary algebraic equation $f(x)=0$ ($f(x)\in\mathbb{Q}[x]$) of arbitrary degree and obtaining the exact radical roots. This method requires that we know the Galois group as…

Rings and Algebras · Mathematics 2022-03-30 Song Li

We present a Galois theory of difference equations designed to measure the differential dependencies among solutions of linear difference equations. With this we are able to reprove Hoelder's Theorem that the Gamma function satisfies no…

Classical Analysis and ODEs · Mathematics 2008-01-10 Charlotte Hardouin , Michael F. Singer

This paper describes the classification of analytic $q$-difference equations. The difference Galois groups are computed. A tentative description of the universal difference Galois group is given.

Commutative Algebra · Mathematics 2007-05-23 Marius van der Put

This article computes the Galois groups of congruence covers arising in the context of certain hyperbolic triangle groups. As a consequence of this computation, the genera of the respective curves are deduced.

Number Theory · Mathematics 2015-03-03 Luiz Kazuo Takei

For every graph that is mimimally rigid in the plane, its Galois group is defined as the Galois group generated by the coordinates of its planar realizations, assuming that the edge lengths are transcendental and algebraically independent.…

Combinatorics · Mathematics 2024-01-17 Mehdi Makhul , Josef Schicho , Audie Warren

We consider first-order linear difference systems over $\mathbb{C}(x)$, with respect to a difference operator $\sigma$ that is either a shift $\sigma:x\mapsto x+1$, $q$-dilation $\sigma:x\mapsto qx$ with $q\in{\mathbb{C}^\times}$ not a root…

Commutative Algebra · Mathematics 2017-03-28 Carlos E. Arreche , Michael F. Singer

A Galois theory of differential fields with parameters is developed in a manner that generalizes Kolchin's theory. It is shown that all connected differential algebraic groups are Galois groups of some appropriate differential field…

Exactly Solvable and Integrable Systems · Physics 2007-07-25 Peter Landesman

Let G be a linear algebraic group, not necessarily connected or reductive, over the field of real numbers R. We describe a method, implemented on computer, to find the first Galois cohomology set H^1(R,G). The output is a list of 1-cocycles…

Representation Theory · Mathematics 2025-03-13 Mikhail Borovoi , Willem A. de Graaf

The classical Galois theory deals with certain finite algebraic extensions and establishes a bijective order reversing correspondence between the intermediate fields and the subgroups of a group of permutations called the Galois group of…

Differential Geometry · Mathematics 2017-10-24 Jean-François Pommaret

In this article, the Galois groupoid of the first Painlev\'{e} equation is computed. This computation use E. Cartan's classification of structural equations of pseudogroups acting on $C^2$ and the degeneration of the first Painlev\'{e}…

Dynamical Systems · Mathematics 2007-05-23 Guy Casale