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Nonpositive sectional curvature for $ (p,q,r)$-complexes


Author: Daniel T. Wise
Journal: Proc. Amer. Math. Soc. 136 (2008), 41-48
MSC (2000): Primary 20F67
DOI: https://doi.org/10.1090/S0002-9939-07-08921-6
Published electronically: September 26, 2007
MathSciNet review: 2350386
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Abstract: We give a criterion for the nonpositive sectional curvature of $ (p,q,r)$-complexes. As a consequence, we show that certain $ 2$-complexes have locally indicable, coherent and even locally quasiconvex fundamental groups.


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Additional Information

Daniel T. Wise
Affiliation: Department of Mathematics and Statistics, McGill University, Montreal, Quebec, Canada
Email: wise@math.mcgill.ca

DOI: https://doi.org/10.1090/S0002-9939-07-08921-6
Keywords: Coherent groups, nonpositive sectional curvature
Received by editor(s): December 17, 2003
Received by editor(s) in revised form: September 8, 2006
Published electronically: September 26, 2007
Additional Notes: The author’s research was supported by grants from NSERC and FCAR
Communicated by: Ronald A. Fintushel
Article copyright: © Copyright 2007 American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication.

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