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math.MG2007★ 14 cited
Intermediate rank and property RD
Sylvain Barré, Mikael Pichot
We introduce concepts of intermediate rank for countable groups that "interpolate" between consecutive values of the classical (integer-valued) rank. Various classes of groups are…
math.MG2004
Real and discrete holomorphy : Introduction to an algebraic approach
Sylvain Barré, Abdelghani Zeghib
We consider spaces for which there is a notion of harmonicity for complex valued functions defined on them. For instance, this is the case of Riemannian manifolds on one hand, and…