S. Müller

activity

20092019

most citedPlanar S-systems: Global stability and the center problem

11 citations · 18 across the 3 of their papers we have counts for

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2 papers · 1 filter

math.SG2016

$C^{0}$ -characterization of symplectic and contact embeddings and Lagrangian rigidity

Stefan Müller

We present a novel $C^{0}$ -characterization of symplectic embeddings and diffeomorphisms in terms of Lagrangian embeddings. Our approach is based on the shape invariant, which was di…

math.SG2011

Helicity of vector fields preserving a regular contact form and topologically conjugate smooth dynamical systems

Stefan Müller, Peter Spaeth

We compute the helicity of a vector field preserving a regular contact form on a closed three-dimensional manifold, and improve results by J.-M. Gambaudo and É. Ghys [GG97] relatin…

C0-characterization of symplectic and contact embeddings and Lagrangian rigidity

Helicity of vector fields preserving a regular contact form and topologically conjugate smooth dynamical systems

$C^{0}$ -characterization of symplectic and contact embeddings and Lagrangian rigidity