2 papers
math.CA2007
Familles fuchsiennes d'équations aux (q-)différences et confluence
Anne Duval, Julien Roques
In a first part, we give a method for solving a family of fuchsian systems of operators of pseudo-derivations associated to a family of homographies with two parameters which unify…
math.CA2006
Classification rationnelle et confluence des systemes aux differences singuliers reguliers
Julien Roques
By using meromorphic "characters" and "logarithms" built up from Euler's Gamma function, and by using convergent factorial series, we will give, in a first pat, a "normal form" to…