olemus
eukleidilise ruumi alamhulk, mis koos iga kahe punktiga sisaldab ka nende punktide vahelist sirglõiku
Wiktionary:
(mathematics) a set which contains any convex combination of any (finite) subset of its points

ülevaateid
https://en.wikipedia.org/wiki/Convex_set
https://web.stanford.edu/class/ee364a/lectures/sets.pdf
http://www.cis.upenn.edu/~cis610/convex1-09.pdf
https://www.fmf.uni-lj.si/~lavric/lauritzen.pdf

vt ka
- kumer funktsioon
- kumer kate