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Quasimorphisms and laws

Danny Calegari

Algebraic & Geometric Topology 10 (2010) 215–217

DOI: 10.2140/agt.2010.10.215
Abstract

Stable commutator length vanishes in any group that obeys a law.

Keywords

scl, laws, quasimorphism
Mathematical Subject Classification

Primary: 20E10

Secondary: 20F65, 20J05, 57M07
References
Publication

Received: 4 October 2009
Accepted: 11 January 2010
Published: 12 January 2010
Authors
Danny Calegari
Department of Mathematics
Caltech
Pasadena CA 91125
USA
http://www.its.caltech.edu/~dannyc