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Modifying a branched surface to carry a foliation
Authors:Sue Goodman
Institution:a University of North Carolina at Chapel Hill, USA
b College of Charleston, 66 George street, Charleston, SC 29424, USA
Abstract:We consider C1 nonsingular flows on a closed 3-manifold under which there is no transverse disk that flows continuously back into its own interior. We provide an algorithm for modifying any branched surface transverse to such a flow ? that terminates in a branched surface carrying a foliation F precisely when F is transverse to ?. As a corollary, we find branched surfaces that do not carry foliations but that lift to ones that do.
Keywords:57R30  57M50  57M10  57M20  57N10
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