349 citations · 1.5k across the 35 of their papers we have counts for
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nlin.CD2006★ 24 cited
Dynamical systems on infinitely sheeted Riemann surfaces
Yuri N. Fedorov, David Gomez-Ullate
This paper is part of a program that aims to understand the connection between the emergence of chaotic behaviour in dynamical systems in relation with the multi-valuedness of the…
nlin.SI2006★ 10 cited
Structure theorems for linear and non-linear differential operators admitting invariant polynomial subspaces
David Gomez-Ullate, Niky Kamran, Robert Milson
In this paper we derive structure theorems that characterize the spaces of linear and non-linear differential operators that preserve finite dimensional subspaces generated by poly…