If I have two nonempty, compact and convex sets in a vector space, say $A$ and $B$, such that $\textrm{aff}(A) = \textrm{aff}(B)$, is it true that $\textrm{relint}(A) \subseteq B$ (or viceversa)?
2026-03-27 18:35:49.1774636549
Affine hull and relative interior
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