On some flat connection associated with locally symmetric surface

Maria Robaszewska

Abstract


For every two-dimensional manifold M with locally symmetric linear connection ∇, endowed also with ∇-parallel volume element, we construct a flat connection on some principal fibre bundle P(M,G). Associated with - satisfying some particular conditions - local basis of TM local connection form of such connection is a R(G)-valued 1-form Ω build from the dual basis ω1, ω2 and from local connection form ω of ∇. The structural equations of (M, ∇) are equivalent to the condition dΩ-ΩΛΩ=0. This work was intended as an attempt to describe in a unified way the construction of similar 1-forms known for constant Gauss curvature surfaces, in particular of that given by R. Sasaki for pseudospherical surface.

Keywords


zero-curvature representation, locally symmetric connection, soliton equation

Mathematics Subject Classification (2010)


53B05, 53B15, 58J60

References


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