A convex subset D of Ed is an ellipsoid if all the sections given by hyperplanes are elliptic. We study whether we can restrict the hyperplanes to those that contain one of two fixed linear varieties. In a previous paper in this journal we considered the case where one of the varieties cuts the interior of D, and now we assume that the varieties support D.

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Javier Alonso

Dept. of Mathematics, University of Extremadura, 06071 Badajoz, Spain

jalonso@unex.es

Pedro Martín

Dept. of Mathematics, University of Extremadura, 06071 Badajoz, Spain

pjimenez@unex.es

J. Alonso, P. Martín. “Convex Bodies with Sheafs of Elliptic Sections II.” Journal of Convex Analysis 14 (2007), No. 1, 1–11.