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Jan 18, 2023 at 10:19 history edited Martin Sleziak CC BY-SA 4.0
http -> https (the question was bumped anyway)
Apr 8, 2013 at 12:28 comment added Mikhail Katz I am not aware of any comments by Gromov directly on nonstandard analysis. In his book "metric structures for riemannian and non-riemannian spaces" , page 97, he does comment on the construction of asymptotic cones using nonprincipal ultrafilters, and cites the paper by van den Dries and Wilkie from 1984. In a recent interview, he praised their work more explicitly, but still without mentioning nonstandard analysis.
Feb 25, 2010 at 19:47 history answered Zoran Skoda CC BY-SA 2.5