Finite-dimensionality conjecture for homology of degenerate minimal models

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Let pp and qq be parameters, define

cp,q=32(1−2(p−q)2pq),c_{p,q}=\frac{3}{2}\left(1-2\frac{(p-q)^2}{pq}\right),

and define

hp,qm,n=(np−mq)2−(p−q)28pq.h_{p,q}^{m,n}=\frac{(np-mq)^2-(p-q)^2}{8pq}.

Let Ls{\mathcal L}_s be the Lie superalgebra introduced above, and let L(cp,q,hp,qm,n)L(c_{p,q},h_{p,q}^{m,n}) denote the corresponding irreducible module. Finite-dimensionality conjecture. For every q∈Nq\in{\bf N},

dim⁡Hq(Ls,L(cp,q,hp,qm,n))<∞.\dim H_q({\mathcal L}_s,L(c_{p,q},h_{p,q}^{m,n}))<\infty.

The claim predicts finite-dimensional homology in the minimal-model setting, contrasting with the infinite-dimensional behavior noted for the special case discussed immediately before it. The supplied text gives no resolution, so the conjecture remains open.

References

Primary source

Antun Milas, “Fusion rings for degenerate minimal models”, arXiv:math/0003225 (2002).

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