Each paper is either a survey of an area or an expository essay on some aspect of momentum mappings and reduction. We hope that these papers will be useful for students and researchers interested in a quick look at several aspects of symplectic geometry and mechanics.
Momentum maps, dual pairs and reduction in deformation quantization by Henrique Bursztyn
Quantum moment(um) map(pings)s, a Hopf algebra approach by Gizem Kaarali
Kepler problem and SO(4) momentum map by Tang Xiang
A convexity theorem for isoparametric submanifolds by Marco Zambon
Poisson reduction for left invariant control systems by Jun Zhang
Marsden-Weinstein reductions for K\"ahler, hyper\"kahler, and quaternionic K\"ahler manifolds by Chenchang Zhu