Curve Flows and Solitonic Hierarchies Generated by Einstein Metrics

Abstract

We investigate bi-Hamiltonian structures and mKdV hierarchies of solitonic equations generated by (semi) Riemannian metrics and curve flows of non-stretching curves. There are applied methods of the geometry of nonholonomic manifolds enabled with metric-induced nonlinear connection (N-connection) structure. On spacetime manifolds, we consider a nonholonomic splitting of dimensions and define a new class of liner connections which are 'N-adapted', metric compatible and uniquely defined by the metric structure. We prove that for such a linear connection, one yields couples of generalized sine-Gordon equations when the corresponding geometric curve flows result in solitonic hierarchies described in explicit form by nonholonomic wave map equations and mKdV analogs of the Schrodinger map equation. All geometric constructions can be re-defined for the Levi-Civita connection but with "noholonomic mixing" of solitonic interactions. Finally, we speculate why certain methods and results from the geometry of nonholonmic manifolds and solitonic equations have general importance in various directions of modern mathematics, geometric mechanics, fundamental theories in physics and applications, and briefly analyze possible nonlinear wave configurations for modeling gravitational interactions by effective continuous media effects.

46 pages, latex2e; substantial generalizations of former results from math-ph/0608024 and math-ph/0609070 to arbitrary (pseudo) Riemannian and Einstein metrics; v2 with extended Abstract, Introduction and Conclusions and new reverences following standards for Acta Applicanda Mathematicae

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Cited by in corpus (1)

• Branes and Quantization for an A-Model Complexification of Einstein Gravity in Almost Kahler Variables