On the rank of amalgamated products and product knot groups

Mathematische Annalen

Volumn 312, Issue 4, 1998, Pages 761-771

  Weidmann, Richard ^a  

^a RUHR UNIVERSITY BOCHUM   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0032265130     PISSN: 00255831     EISSN: None     Source Type: Journal    
DOI: 10.1007/s002080050244     Document Type: Article

References (14)

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11. J. Schultens, M. Scharlemann. Tunnel number of the connect sum of n knots is at least n. To appear in Topology.
12. R. Weidmann. Über den Rang von amalgamierten Produkten und NEC-Gruppen. Dissertation, Ruhr-Universität Bochum, 1997.
13. H. Zieschang. Über die Nielsensche Kürzungsmethode in freien Produkten mit Amalgam. Invent. Math. 10:4-37, 1970.
14. H. Zieschang, E. Vogt, H. Coldewey. Surfaces and Planar Discontinuous Groups. Lecture Notes in Mathematics 835. Springer-Verlag, 1980.