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math.RT2026
Anomaly-free Hyperspherical Hamiltonian spaces for simple reductive groups
Guodong Tang, Chen Wan, Lei Zhang
In this paper, we provide a complete list of anomaly-free hyperspherical Hamiltonian spaces for simple reductive groups, as well as their conjectural dual spaces in the sense of BZ…
math.RT2018
The multiplicity problems for the unitary Ginzburg-Rallis models
Chen Wan, Lei Zhang
We consider the local multiplicity problems of the analogy of the Ginzburg-Rallis model for the unitary group and the unitary similitude group cases. For the unitary similitude gro…