On the Casson knot invariant

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We study the Vassiliev knot invariant v_2 of degree 2. We present it via the degrees of maps of various configuration spaces related to a knot to products of spheres. This gives rise to numerous geometrical and combinatorial formulas for this invariant.
28 pages, many figures

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Geometric Topology, Quantum Algebra, 57M25

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http://salesiana.dossiersoluciones.com/handle/123456789/78277

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9903158
 http://arxiv.org/abs/math/9903158

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arXiv