$\mathrm{CAT}(\kappa)$-spaces: construction and concentration
Zapiski Nauchnykh Seminarov POMI, Geometry and topology. Part 7, Tome 280 (2001), pp. 101-140
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Basic constructions of spaces $X$ with $K\le0$ are described.
@article{ZNSL_2001_280_a5,
author = {M. L. Gromov},
title = {$\mathrm{CAT}(\kappa)$-spaces: construction and concentration},
journal = {Zapiski Nauchnykh Seminarov POMI},
pages = {101--140},
year = {2001},
volume = {280},
language = {en},
url = {http://geodesic.mathdoc.fr/item/ZNSL_2001_280_a5/}
}
M. L. Gromov. $\mathrm{CAT}(\kappa)$-spaces: construction and concentration. Zapiski Nauchnykh Seminarov POMI, Geometry and topology. Part 7, Tome 280 (2001), pp. 101-140. http://geodesic.mathdoc.fr/item/ZNSL_2001_280_a5/