A new weight system on chord diagrams via hyperkähler geometry

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A weight system on graph homology was constructed by Rozansky and Witten using a compact hyperkähler manifold. A variation of this construction utilizing holomorphic vector bundles over the manifold gives a weight system on chord diagrams. We investigate these weights from the hyperkähler geometry point of view.
LateX, 16 pages, 1 figure, Contribution to the Proceedings of the Second Meeting on Quaternionic Structures in Mathematics and Physics, Rome 6-10 September 1999

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Differential Geometry, 53C26;57M27;57R20

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http://salesiana.dossiersoluciones.com/handle/123456789/225656

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0002218
 http://arxiv.org/abs/math/0002218
 Proc. 2nd Meeting on Quaternionic Structures in Mathematics and Physics, Rome 6-10 September 1999, World Scientific (2001), 349-363

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arXiv