most citedIntegrable lattices and their sub-lattices: from the discrete Moutard (discrete Cauchy-Riemann) 4-point equation to the self-adjoint 5-point scheme

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math-ph1998

Flag Spaces in KP Theory and Virasoro Action on \det D_j and Segal-Wilson τ-Function

P. G. Grinevich, A. Yu. Orlov

It is well-known that the algebra of vector fields on the circle acts on the space of Riemann surfaces with a marked point and a local parameter at this point. We show that this ac…