Hostname: page-component-586b7cd67f-t7czq Total loading time: 0 Render date: 2024-11-24T22:48:41.298Z Has data issue: false hasContentIssue false

Steinhardt's inequality in the Minkowski plane

Published online by Cambridge University Press:  17 April 2009

Mostafa Ghandehari
Affiliation:
Department of MathematicsNaval Postgraduate School Monterey, CA 93943United States of America
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

In a Minkowski plane with unit circle E, the product of the positive circumference of a plane convex body K and that of its polar dual is greater than or equal to the square of the Euclidean length of the polar dual of E. Equality holds if and only if K is a Euclidean unit circle.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1992

References

[1]Chakerion, G.D., ‘Mixed areas and the self-circumference of a plane convex body’, Arch. Math. 34 (1980), 8183.Google Scholar
[2]Eggleston, H.G., Convexity (Cambridge University Press, Cambridge, 1958).CrossRefGoogle Scholar
[3]Firey, W.J., ‘The mixed area of a convex body and its polar reciprocal’, Israel J. Math. 1 (1963), 201202.CrossRefGoogle Scholar
[4]Ghandehari, M., ‘Polar duals of convex bodies’, Proc. Amer. Math. Soc. (to appear).Google Scholar
[5]Schäffer, J.J., ‘The self-circumference of polar convex disks’, Arch. Math. 24 (1973), 8790.CrossRefGoogle Scholar
[6]Steinhardt, F., On distance functions and on polar series of convex bodies, Ph.D. Thesis (Columbia University, 1951).Google Scholar
[7]Thompson, A.C., ‘An equiperimetric property of Minkowski circles’, Bull. London. Math. Soc. 7 (1975), 271272.CrossRefGoogle Scholar