A quasi-isometry between metric spaces is a function which is "almost" distance-preserving and "almost" surjective.
I'm not going to write down the precise definition of a quasi-isometry. I'll just tell you coarsely what it is.
Yes, all my jokes are that bad.
#QuasiIsometry #AllMyPunsAreThatBad #Mathodon #CoarseGeometry
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Can people at #mathodon please take me? Need to know where science twitter has now moved to
9 PhD positions and 6 Postdoc positions in theoretical computer science, algebra, and logic available in Vienna, Dresden and Prague for an amazing project to work with great people! Spread the word. #TheoreticalComputerScience #maths #mathodon #jobs
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Where's the #Mathodon ? #math #maths #mathematics #mathemagics
#mathodon #math #maths #mathematics #mathemagics