22 citations · 55 across the 13 of their papers we have counts for
6 papers · 1 filter
Whittaker groups and hyperelliptic curves
Marius van der Put, Jaap Top
Let K be a complete, non-archimedean valued field with a residue field of characteristic different from 2. A Whittaker group G is a discontinuous subgroup of PGL(2,K), freely gener…
Mumford curves and Mumford groups in positive characteristic
Harm H. Voskuil, Marius van der Put
A Mumford group is a discontinuous subgroup of PGL(2,K), where K denotes a non archimedean valued field, such that the quotient by is a curve of genus 0. As abstract group…
Real and p-adic Picard-Vessiot fields
Teresa Crespo, Zbigniew Hajto, Marius van der Put
We consider differential modules over real and p-adic differential fields such that their field of constants is real closed (respectively p-adically closed). Using Deligne's work o…
Geometric Aspects of the Painlevé Equations and
Marius van der Put, Jaap Top
The Riemann-Hilbert approach for the equations and is studied in detail, involving moduli spaces for connections and monodromy data, Okamoto-Pai…
Order one equations with the Painlevé property
Georg Muntingh, Marius van der Put
Differential equations with the Painlevé property have been studied extensively due to their appearance in many branches of mathematics and their applicability in physics. Although…
Effective descent for differential operators
Elie Compoint, Marius van der Put, Jacques-Arthur Weil
A theorem of N. Katz \cite{Ka} p.45, states that an irreducible differential operator over a suitable differential field , which has an isotypical decomposition over the alg…