A family of poisson structures on hermitian symmetric spaces

@article{Khoroshkin1993AFO,
  title={A family of poisson structures on hermitian symmetric spaces},
  author={Sergey M. Khoroshkin and Andrey Radul and Vladimir Rubtsov},
  journal={Communications in Mathematical Physics},
  year={1993},
  volume={152},
  pages={299-315}
}
We investigate the compatibility of symplectic Kirillov-Kostant-Souriau structure and Poisson-Lie structure on coadjoint orbits of semisimple Lie group. We prove that they are compatible for an orbit compact Lie group iff the orbit is hermitian symmetric space. We prove also the compatibility statement for non-compact hermitian symmetric space. As an example we describe a structure of symplectic leaves onCPn for this family. These leaves may be considered as a perturbation of Schubert cells… 
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