A convex body in EdE^d 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.

Contact details are reproduced from the original publication and may be historical.

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
  1. P. W. Aitchison: A characterisation of the ellipsoid, J. Austral. Math. Soc. 11 (1970) 385–394.https://doi.org/10.1017/S1446788700007849Google Scholar
  2. P. W. Aitchison, C. M. Petty, C. A. Rogers: A convex body with a false centre is an ellipsoid, Mathematika 18 (1971) 50–59.https://doi.org/10.1112/S0025579300008366Google Scholar
  3. J. Alonso, P. Martín: Some characterizations of ellipsoid by sections, Discrete Comput. Geom. 31(4) (2004) 643–654.https://doi.org/10.1007/s00454-004-0803-5Google Scholar
  4. G. Bianchi, P. M. Gruber: Characterizations of ellipsoids, Arch. Math. 49(4) (1987) 344–350.https://doi.org/10.1007/BF01210721Google Scholar
  5. G. R. Burton: Sections of convex bodies, J. London. Math. Soc. 12(3) (1976) 331–336.https://doi.org/10.1112/jlms/s2-12.3.331Google Scholar
  6. G. R. Burton, P. Mani: A characterisation of the ellipsoid in terms of concurrent sections, Comment. Math. Helvet. 53(4) (1978) 485–507.https://doi.org/10.1007/BF02566093Google Scholar
  7. H. Busemann: The Geometry of Geodesics, Academic Press, New York (1955).Google Scholar
  8. T. Kubota: On the theory of closed convex surface, Proc. London Math. Soc. 14(2) (1915) 230–239.https://doi.org/10.1112/plms/s2_14.1.230Google Scholar
  9. L. Montejano: Convex bodies with homothetic sections, Bull. London. Math. Soc. 23(4) (1991) 381–386.https://doi.org/10.1112/blms/23.4.381Google Scholar
  10. S. Nakagawa: On theorems regarding ellipsoid, Tôhoku Math. J. 8 (1915) 11–13.Google Scholar
  11. C. M. Petty: Ellipsoid, in: Convexity and its Applications, Birkhäuser, Basel (1983) 264–276.https://doi.org/10.1007/978-3-0348-5858-8_11Google Scholar

J. Alonso, P. Martín. “Convex Bodies with Sheafs of Elliptic Sections.” Journal of Convex Analysis 13 (2006), No. 1, 169–175. https://doi.org/10.68381/jca13011