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math.SG2016
Chekanov-type theorem for spherized cotangent bundles
Petr E. Pushkar
We prove a Chekanov-type theorem for the spherization of the cotangent bundle of a closed manifold . It claims that for Legendrian submanifolds in the property "…
math.SG2016
On Hamiltonian and contact isotopy liftings
Petr E. Pushkar
We construct counterexamples to lifting properties of Hamiltonian and contact isotopies.