Studying links via closed braids. II: On a theorem of Bennequin. (English) Zbl 0722.57001

Summary: [Parts I and III are available only in preprint form; for part IV see Invent. Math. 102, 115-139 (1990; Zbl 0711.57006.]
Links which are closed 3-braids admit very special types of spanning surfaces of maximal Euler characteristic. These surfaces are described naturally by words in cyclically symmetric elementary braids which generate the group \(B_ 3\).


57M25 Knots and links in the \(3\)-sphere (MSC2010)


Zbl 0711.57006
Full Text: DOI


[1] Bennequin, D., Entrelacements et equations de Pfaff, Astérisque, 107-108, 87-161 (1983) · Zbl 0573.58022
[4] Birman, J.; Menasco, W., Studying links via closed braids: Split links and composite links, Invent. Math., 102, 1, 115-139 (1990) · Zbl 0711.57006
[7] Douady, A., Noeuds et structures de contact en dimension 3, Séminaire Bourbaki, 604 (1982/83), 35e année
[8] Rudolph, L., Special positions for surfaces bounded by closed braids, Rev. Mat. Iberoamericana, 1, 3 (1985) · Zbl 0603.57004
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