46 citations · 55 across the 9 of their papers we have counts for
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math.DS2004★ 46 cited
Torus Actions and Integrable Systems
Nguyen Tien Zung
This is a survey on natural local torus actions which arise in integrable dynamical systems, and their relations with other subjects, including: reduced integrability, local normal…
math.SG2004★ 1 cited
Proper Groupoids and Momentum Maps: Linearization, Affinity and Convexity
Nguyen Tien Zung
We show that proper Lie groupoids are locally linearizable. As a consequence, the orbit space of a proper Lie groupoid is a smooth orbispace (a Hausdorff space which locally looks…