Unipotent differential algebraic groups as parameterized differential Galois groups

A Minchenko, A Ovchinnikov… - Journal of the Institute of …, 2014 - cambridge.org
UNIPOTENT DIFFERENTIAL ALGEBRAIC GROUPS AS PARAMETERIZED DIFFERENTIAL
GALOIS GROUPS Page 1 671 doi:10.1017/S1474748013000200 c Cambridge University …

[HTML][HTML] Isomonodromic differential equations and differential categories

S Gorchinskiy, A Ovchinnikov - journal de mathématiques pures et …, 2014 - Elsevier
We study isomonodromicity of systems of parameterized linear differential equations and
related conjugacy properties of linear differential algebraic groups by means of differential …

Computing differential Galois groups of second-order linear q-difference equations

CE Arreche, Y Zhang - Advances in Applied Mathematics, 2022 - Elsevier
We apply the differential Galois theory for difference equations developed by Hardouin and
Singer to compute the differential Galois group for a second-order linear q-difference …

Difference algebraic relations among solutions of linear differential equations

L Di Vizio, C Hardouin, M Wibmer - … of the Institute of Mathematics of …, 2017 - cambridge.org
We extend and apply the Galois theory of linear differential equations equipped with the
action of an endomorphism. The Galois groups in this Galois theory are difference algebraic …

On the computation of the parameterized differential Galois group for a second-order linear differential equation with differential parameters

CE Arreche - Journal of Symbolic Computation, 2016 - Elsevier
We present algorithms to compute the differential Galois group G associated via the
parameterized Picard–Vessiot theory to a parameterized second-order linear differential …

Calculating differential Galois groups of parametrized differential equations, with applications to hypertranscendence

C Hardouin, A Minchenko, A Ovchinnikov - Mathematische Annalen, 2017 - Springer
The main motivation of our work is to create an efficient algorithm that decides
hypertranscendence of solutions of linear differential equations, via the parameterized and …

Computation of the difference-differential Galois group and differential relations among solutions for a second-order linear difference equation

CE Arreche - Communications in Contemporary Mathematics, 2017 - World Scientific
We apply the difference-differential Galois theory developed by Hardouin and Singer to
compute the differential-algebraic relations among the solutions to a second-order …

[PDF][PDF] Affine difference algebraic groups

M Wibmer - arXiv preprint arXiv:1405.6603, 2014 - Citeseer
We study groups defined by algebraic difference equations. These groups occur as the
Galois groups of linear differential and difference equations depending on discrete …

[HTML][HTML] A Galois-theoretic proof of the differential transcendence of the incomplete Gamma function

CE Arreche - Journal of Algebra, 2013 - Elsevier
We give simple necessary and sufficient conditions for the∂∂ t-transcendence of the
solutions to a parameterized second-order linear differential equation of the form where p∈ …

Almost-simple affine difference algebraic groups

M Wibmer - Mathematische Zeitschrift, 2021 - Springer
Affine difference algebraic groups are a generalization of affine algebraic groups obtained
by replacing algebraic equations with algebraic difference equations. We show that the …