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Tangent circle bundles admit positive open book decompositions along arbitrary links
Authors:Masaharu Ishikawa
Institution:Department of Mathematics, Tokyo Metropolitan University, 1-1, Minami-Ohsawa, Hachioji-shi, Tokyo 192-0397, Japan
Abstract:In the present paper we generalize the divide lying in the unit disk, introduced by A'Campo, to compact, oriented, smooth surfaces, and prove a fibration theorem for generalized divides. As a consequence, we will show that, for any link L in the tangent circle bundle Y to the compact surface, there exists an additional knot K such that the link LK is the binding of a “positive” open book decomposition of Y.
Keywords:primary 57M50  secondary 55R25  32S30  57R17
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