Conformal designs based on vertex operator algebras |
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Authors: | Gerald Höhn |
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Institution: | Department of Mathematics, Kansas State University, 138 Cardwell Hall, Manhattan, KS 66506-2602, USA |
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Abstract: | We introduce the notion of a conformal design based on a vertex operator algebra. This notation is a natural analog of the notion of block designs or spherical designs when the elements of the design are based on self-orthogonal binary codes or integral lattices, respectively. It is shown that the subspaces of an extremal self-dual vertex operator algebra of fixed degree form conformal 11-, 7-, or 3-designs, generalizing similar results of Assmus and Mattson and Venkov for extremal doubly-even codes and extremal even lattices. Other examples are coming from group actions on vertex operator algebras, the case studied first by Matsuo. The classification of conformal 6- and 8-designs is investigated. Again, our results are analogous to similar results for codes and lattices. |
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Keywords: | Vertex operator algebras Designs Monster Moonshine Lattices Binary codes |
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