activity
20062024
most citedOn the nature of the generating series of walks in the quarter plane

42 citations · 160 across the 21 of their papers we have counts for

collaborators

23 papers

math.NT2024

Hypertranscendence and -difference equations over elliptic functionfields

Ehud de Shalit, Charlotte Hardouin, Julien Roques

The differential nature of solutions of linear difference equations over the projective line was recently elucidated. In contrast, little is known about the differential nature of…

math.LO2022

Simplicity of the automorphism group of fields with operators

Thomas Blossier, Zoé Chatzidakis, Charlotte Hardouin +1

We adapt a proof of Lascar in order to show the simplicity of the group of automorphisms fixing pointwise all non-generic elements for a class of uncountable models of suitable the…

math.NT2020★ 4 cited

Algebraic independence and linear difference equations

Boris Adamczewski, Thomas Dreyfus, Charlotte Hardouin +1

We consider pairs of automorphisms acting on fields of Laurent or Puiseux series: pairs of shift operators , of -differ…

math.CO2020★ 1 cited

On Differentially Algebraic Generating Series for Walks in the Quarter Plane

Charlotte Hardouin, Michael F Singer

We refine necessary and sufficient conditions for the generating series of a weighted model of a quarter plane walk to be differentially algebraic. In addition, we give algorithms…

math.CO2020★ 7 cited

On the Kernel curves associated with walks in the quarter plane

Thomas Dreyfus, Charlotte Hardouin, Julien Roques +1

The kernel method is an essential tool for the study of generating series of walks in the quarter plane. This method involves equating to zero a certain polynomial, the kernel poly…

math.NT2019★ 22 cited

Hypertranscendence and linear difference equations

Boris Adamczewski, Thomas Dreyfus, Charlotte Hardouin

After Hölder proved his classical theorem about the Gamma function, there has been a whole bunch of results showing that solutions to linear difference equations tend to be hypertr…