2 citations · 3 across the 10 of their papers we have counts for
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math.OA2007★ 15 cited
Zeta functions that hear the shape of a Riemann surface
Gunther Cornelissen, Matilde Marcolli
To a compact hyperbolic Riemann surface, we associate a finitely summable spectral triple whose underlying topological space is the limit set of a corresponding Schottky group, and…
math.AG2007
Which weakly ramified group actions admit a universal formal deformation?
Jakub Byszewski, Gunther Cornelissen
Consider a formal (mixed-characteristic) deformation functor D of a representation of a finite group G as automorphisms of a power series ring k[[t]] over a perfect field k of posi…
math.LO2007★ 2 cited
Defining the integers in large rings of number fields using one universal quantifier
Gunther Cornelissen, Alexandra Shlapentokh
Julia Robinson has given a first-order definition of the rational integers in the rational numbers by a formula whe…