The [n 1,n 2, ...,n s]-th reduced KP hierarchy andW 1+∞ constraints
نویسندگان
چکیده
منابع مشابه
N = 2 local and N = 4 nonlocal reductions of supersymmetric KP hierarchy in N = 2 superspace
A N = 4 supersymmetric matrix KP hierarchy is proposed and a wide class of its reductions which are characterized by a finite number of fields are described. This class includes the one-dimensional reduction of the two-dimensional N = (2|2) superconformal Toda lattice hierarchy possessing the N = 4 supersymmetry – the N = 4 Toda chain hierarchy – which may be relevant in the construction of sup...
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A wide class of N=2 reductions of the supersymmetric KP hierarchy in N=1 superspace is described. This class includes a new N=2 supersymmetric generalization of the Toda chain hierarchy. The Lax pair representations of the bosonic and fermionic flows, local and nonlocal Hamiltonians, finite and infinite discrete symmetries, first two Hamiltonian structures and the recursion operator of this hie...
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A N = 4 supersymmetric matrix KP hierarchy is proposed and a wide class of its reductions which are characterized by a finite number of fields are described. This class includes the one-dimensional reduction of the two-dimensional N = (2|2) superconformal Toda lattice hierarchy possessing the N = 4 supersymmetry – the N = 4 Toda chain hierarchy – which may be relevant in the construction of sup...
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The total descendent potential of a simple singularity satisfies the Kac–Wakimoto principal hierarchy. Bakalov and Milanov showed recently that it is also a highest weight vector for the corresponding W -algebra. This was used by Liu, Yang and Zhang to prove its uniqueness. We construct this principal hierarchy of type D in a different way, viz. as a reduction of some DKP hierarchy. This gives ...
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ژورنال
عنوان ژورنال: Theoretical and Mathematical Physics
سال: 1995
ISSN: 0040-5779,1573-9333
DOI: 10.1007/bf02066653