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Stereology of extremes; shape factor of spheroids. (English) Zbl 1051.60011
Ellipsoidal particles of oblate shape are considered, i.e. their two major semiaxes are equal (\(X\)) and one is minor (\(W<X\)). The shape factor is defined as \(T=X^2/W^2-1\). A shape factor of a planar section of such particle is \(Z=Y^2/V^2-1\), where \(Y\) is the major and \(V\) the minor semiaxis of the section. The orientation of the section is assumed isotropic. It is shown that (roughly speaking) if the distribution of \(T\) belongs to a domain of the max-attraction of some max-stable law, then \(Z\) also belongs to the same domain. Gamma distribution of \(T\) is considered as an example.

MSC:
60D05 Geometric probability and stochastic geometry
62G32 Statistics of extreme values; tail inference
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