@article{10867,
  abstract     = {In this paper we find a tight estimate for Gromov’s waist of the balls in spaces of constant curvature, deduce the estimates for the balls in Riemannian manifolds with upper bounds on the curvature (CAT(ϰ)-spaces), and establish similar result for normed spaces.},
  author       = {Akopyan, Arseniy and Karasev, Roman},
  issn         = {1687-0247},
  journal      = {International Mathematics Research Notices},
  keywords     = {General Mathematics},
  number       = {3},
  pages        = {669--697},
  publisher    = {Oxford University Press},
  title        = {{Waist of balls in hyperbolic and spherical spaces}},
  doi          = {10.1093/imrn/rny037},
  volume       = {2020},
  year         = {2020},
}