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math.SG2012★ 3 cited
The space of linear anti-symplectic involutions is a homogenous space
Peter Albers, Urs Frauenfelder
In this note we prove that the space of linear anti-symplectic involutions is the homogenous space $Gl(n,\R)\Sp(n)$. This result is motivated by the study of symmetric periodic orb…
math.SG2010★ 19 cited
Cup-length estimates for leaf-wise intersections
Peter Albers, Al Momin
We prove that on a restricted contact type hypersurface the number of leaf-wise intersections is bounded from below by a certain cup-length.