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Talk:Polar body

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"If $K$ is a convex set containing the zero element in its interior then $K^\circ$ is called the polar body of $K$ and is again a convex neighbourhood of the origin." — Really? Even if $K$ is the whole space $V$? Boris Tsirelson (talk) 22:59, 23 October 2017 (CEST)

How to Cite This Entry:
Polar body. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Polar_body&oldid=42183