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Quasi-classical limit of KP hierarchy, W-symmetries and free fermions | | Kanehisa Takasaki
; Takashi Takebe
; | | Date: |
24 Jul 1992 | | Subject: | hep-th | | Abstract: | This paper deals with the dispersionless KP hierarchy from the point of view of quasi-classical limit. Its Lax formalism, W-infinity symmetries and general solutions are shown to be reproduced from their counterparts in the KP hierarchy in the limit of $hbar o 0$. Free fermions and bosonized vertex operators play a key role in the description of W-infinity symmetries and general solutions, which is technically very similar to a recent free fermion formalism of $c=1$ matrix models. | | Source: | arXiv, hep-th/9207081 | | Services: | Forum | Review | PDF | Favorites | |
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