The admissible-polarization conjecture for the character formula

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Let GG be the connected group in the paper, let O\mathcal{O} be a semisimple coadjoint orbit, and let q={qλ}λ∈O\mathfrak{q}=\{\mathfrak{q}_{\lambda}\}_{\lambda\in\mathcal{O}} be an admissible polarization. Let C(O,Γ,q,σc)\mathcal{C}(\mathcal{O},\Gamma,\mathfrak{q},\sigma_c) denote the associated contour and let θ(O,Γ)\theta(\mathcal{O},\Gamma) denote the corresponding character distribution.

Admissible-polarization conjecture. The character formula

F[C(O,Γ,q,σc)]=θ(O,Γ)\mathcal{F}[\mathcal{C}(\mathcal{O},\Gamma,\mathfrak{q},\sigma_c)]=\theta(\mathcal{O},\Gamma)

holds for any admissible polarization q={qλ}λ∈O\mathfrak{q}=\{\mathfrak{q}_{\lambda}\}_{\lambda\in\mathcal{O}}. In particular, the polarization need not be maximally real.

The result is proved in the paper for the chosen polarization under the hypotheses of the main theorem; extending it to every admissible polarization is presented as future work, presumably by generalizing the paper's techniques.

References

Primary source

Benjamin Harris and Yoshiki Oshima, “Irreducible Characters and Semisimple Coadjoint Orbits”, arXiv:1710.10190 (2017).

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