Surface-group algebra presentation conjecture via the noncommutative Weil representation

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Let CC be a genus-gg Heegaard surface with fundamental group π1(C)\pi_1(C), let XX be the associated three-manifold, and let L+L_+ be one of the two lattices in the Heegaard splitting. Let C⟨ ⁣⟨L+⟩ ⁣⟩\mathbb C\langle\!\langle L_+\rangle\!\rangle be the completed noncommutative Laurent-polynomial algebra, let C⟨ ⁣⟨L+⟩ ⁣⟩cyc⁡\mathbb C\langle\!\langle L_+\rangle\!\rangle_{\operatorname{cyc}} be its cyclic quotient, and let ℘\wp be the conjectural projective mapping-class-group representation. For the mapping class uu satisfying L−=u(L+)L_-=u(L_+), define Φ=℘(u)(1)\Phi=\wp(u)(1). Surface-group algebra presentation conjecture. There is an algebra isomorphism

C[π1(X)]≅A(F,Φ),\mathbb C[\pi_1(X)]\cong\mathfrak A(F,\Phi),

where

F=C⟨ ⁣⟨L+⟩ ⁣⟩,Φ=℘(u)(1)∈C⟨ ⁣⟨L+⟩ ⁣⟩cyc⁡.F=\mathbb C\langle\!\langle L_+\rangle\!\rangle,\qquad \Phi=\wp(u)(1)\in\mathbb C\langle\!\langle L_+\rangle\!\rangle_{\operatorname{cyc}}.

This is part of the proposed trigonometric counterpart of the Heisenberg and Weil representations; the source gives no resolution evidence.

References

Primary source

Victor Ginzburg, “Calabi-Yau algebras”, arXiv:math/0612139 (2007).

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