Linking Number of Singular Links and the Seifert Matrix

• Autores: James J. Hebda, Chun-Chung Hsieh, Chichen M. Tsau
• Localización: Canadian mathematical bulletin, ISSN 0008-4395, Vol. 50, Nº 3, 2007, págs. 390-398
• Idioma: inglés
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• Resumen

  • We extend the notion of linking number of an ordinary link of two components to that of a singular link with transverse intersections in which case the linking number is a half-integer. We then apply it to simplify the construction of the Seifert matrix, and therefore the Alexander polynomial, in a natural way.