Finite-dimensionality conjecture for homology of degenerate minimal models

Let pp and qq be parameters, define

cp,q=32(12(pq)2pq),c_{p,q}=\frac{3}{2}\left(1-2\frac{(p-q)^2}{pq}\right),

and define

hp,qm,n=(npmq)2(pq)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 qNq\in{\bf N},

dimHq(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.

Sources & referencesView supporting material

Primary source

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

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