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The stochastic process of segments on the two-dimensional Euclidean sphere. I. (Russian) Zbl 0665.60019
This work is the first part of research devoted to the construction and investigation of the properties of the cap random process U on the two- dimensional Euclidean sphere. There are many applied sciences such as astronomy, cosmology, selenography, cytology, virusology in which further progress is impossible without a mathematical model of the cap process on the sphere $$S^ 2$$. The process U is considered as a simple unordered marked point process (MPP) in the phase space $$S^ 2\times K$$ where $$S^ 2$$ is the space of the cap centers (position points), $$K=[0,A]$$ is the space of cap diameters (marks) $$(A<<\pi).$$
A simple MPP is represented by J. E. Moyal’s conception [see Acta Math. 108, 1-31 (1962; Zbl 0128.403)]. By using the methods of the theory of order statistics we introduce the concept of a simple unordered MPP with independent marking (PPIM) with the help of the theorem on renewal samples. From our point of view, the well-known A. Prekopa [see Ann. Univ. Sci. Budapest, Rolando Eötvös, Sect. Mat. 1, 153-170 (1958; Zbl 0089.340)] definition of the PPIM is insufficient for applications. We construct a point process of the position points by using a projection of MPP on the position space.
Reviewer: Y.I.Petunin

##### MSC:
 60D05 Geometric probability and stochastic geometry 60G55 Point processes (e.g., Poisson, Cox, Hawkes processes)