Classification conjecture for fermion representations of affine Krichever–Novikov algebras

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Let Σ\Sigma be the underlying compact Riemann surface of genus gg, let g\mathfrak{g} be the finite-dimensional Lie algebra used to construct the affine Krichever–Novikov algebra g^\hat{\mathfrak{g}}, and let rr and ll denote the rank and representation dimension occurring in the construction. A fermion representation is the representation obtained from the fermionic Fock-space construction described above. Classification conjecture. The equivalence classes of fermion representations of g^\hat{\mathfrak{g}} are in one-to-one correspondence with the following pairs: an equivalence class of a holomorphic bundle of rank rr and degree grgr on Σ\Sigma and an equivalence class of an ll-dimensional representation of the algebra g\mathfrak{g}. This proposes a geometric and finite-dimensional parametrization of the fermion representations; the supplied text does not state whether the correspondence has been proved or disproved.

References

Primary source

O. K. Sheinman, “Second order casimirs for the affine Krichever–Novikov algebras gl_g,2 and sl_g,2”, arXiv:math/0109001 (2002).

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