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On star-convex bodies with rotationally invariant sections (2304.07074v4)
Published 14 Apr 2023 in math.MG
Abstract: We will prove that an origin-symmetric star-convex body $K$ with sufficiently smooth boundary and such that every hyperplane section of $K$ passing through the origin is a body of affine revolution, is itself a body of affine revolution. This will give a positive answer to the recent question asked by G. Bor, L. Hern\'andez-Lamoneda, V. Jim\'enez de Santiago, and L. Montejano-Peimbert, though with slightly different prerequisites.
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