Abstract:This survey is devoted to a consistent exposition of the group-algebraic methods for the integration of systems of nonlinear partial differential equations possessing a nontrivial internal symmetry algebra. Samples of exactly and completely integrable wave and evolution equations are considered in detail, including the generalized (periodic and finite nonperiodic) Toda lattice, nonlinear Schr6dinger, Korteweg~le Vries, Lotka-Volterra equations, etc.). For exactly integrable systems, the general solutions of th… Show more
“…where f 3 [3], f 3 [5], f 3 [7] and f 3 [10] are arbitrary constants but do not vanish at the same time.…”
Section: Spinor Field Realization Of the Non-critical W 23 Stringmentioning
confidence: 99%
“…Furthermore, it appears in the quantum Hall effect, black holes, in lattice models of statistical mechanics at criticality, and in other physical models [3,4] and so on.…”
In this paper, we construct the nilpotent Becchi-Rouet-StoraTyutin(BRST ) charges of spinor non-critical W 2,s strings. The cases of s = 3, 4 are discussed in detail, and spinor realization for s = 4 is given explicitly. The BRST charges are graded.
“…where f 3 [3], f 3 [5], f 3 [7] and f 3 [10] are arbitrary constants but do not vanish at the same time.…”
Section: Spinor Field Realization Of the Non-critical W 23 Stringmentioning
confidence: 99%
“…Furthermore, it appears in the quantum Hall effect, black holes, in lattice models of statistical mechanics at criticality, and in other physical models [3,4] and so on.…”
In this paper, we construct the nilpotent Becchi-Rouet-StoraTyutin(BRST ) charges of spinor non-critical W 2,s strings. The cases of s = 3, 4 are discussed in detail, and spinor realization for s = 4 is given explicitly. The BRST charges are graded.
“…For this, we closely follow an earlier review. 10 There are two bosonic complex coordinates z, y and their conjugate z, y. One may start from the equations (Indices mean derivatives) …”
Section: Dynamical Equations For the Superpotential Field $mentioning
A Backlund transformation is derived for the Yang's type (super) equations pre viously derived (hep-th/9811108) by M. Saveliev and the author, from the tendimensional super-Yang-Mills field equations in an on-shell light cone gauge. It is shown to be based upon a particular gauge transformation satisfying nonlinear conditions which ensure that the equations retain the same form. These Yang's type field equations are shown to be precisely such that they automatically pro vide a solution of these conditions. This Backlund transformation is similar to the one proposed by A. Leznov for self-dual Yang-Mills in four dimensions. In the introduction a personal recollection on the birth of supersymmetry is given.
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