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JOURNALS // Zapiski Nauchnykh Seminarov POMI // Archive

Zap. Nauchn. Sem. POMI, 1997 Volume 246, Pages 191–195 (Mi znsl557)

This article is cited in 14 papers

Of affine images of a rhombododecaedron circumscribed about a convex body in $\mathbb R^3$

V. V. Makeev

Saint-Petersburg State University

Abstract: The main result of the paper is dual to an earlier theorem by the author concerning affine images of a cubeoctahedron inscribed in a three-dimensional convex body. The rhombododecaedron is the polytope dual to the cubeoctahedron; the latter is the convex hull of the midpoints of the edges of a cube.
Theorem. Every convex body in $\mathbb R^3$ except for those mentioned below admits an affine-circumscribed rhombododecaedron. A possible exception is a body containing a parallelogram $P$ and contained in a cylinder over $P$.
The author does not know whether there is a three-dimensional convex body exceptional on the sense of the above theorem.

UDC: 514.172

Received: 24.02.1997


 English version:
Journal of Mathematical Sciences (New York), 2000, 100:3, 2307–2309

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