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Nonpositive sectional curvature for  -complexes |
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| Authors: | Daniel T. Wise |
| Affiliation: | Department of Mathematics and Statistics, McGill University, Montreal, Quebec, Canada |
| Abstract: | We give a criterion for the nonpositive sectional curvature of  -complexes. As a consequence, we show that certain  -complexes have locally indicable, coherent and even locally quasiconvex fundamental groups. |
| Keywords: | Coherent groups nonpositive sectional curvature |
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