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math.RA2014
Gradings on Lie algebras with applications to infra-nilmanifolds
Jonas Deré
In this paper, we study positive as well as non-negative and non-trivial gradings on finite dimensional Lie algebras. We give a different proof that the existence of such a grading…
math.DS2014★ 1 cited
Expanding maps and non-trivial self-covers on infra-nilmanifolds
Karel Dekimpe, Jonas Deré
Every expanding map on a closed manifold is topologically conjugate to an expanding map on an infra-nilmanifold, but not every infra-nilmanifold admits an expanding map. In this ar…