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JOURNALS // Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika // Archive

Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 2021 Number 1, Pages 10–16 (Mi vmumm4372)

Mathematics

Correlation approach to studying dependent discrete probability spaces

A. V. Lebedev

Lomonosov Moscow State University, Faculty of Mechanics and Mathematics

Abstract: The well-known problem of the absence of independent events in some discrete probability spaces (finite or countable) is considered. It is proposed to study such spaces using the minimum absolute value of the correlation coefficient of event indicators (in the case of a countable space, the infimum is taken). Examples of the probability space with a prime number of equally possible outcomes, a finite space with weights and irrationality, a geometric space with a prime number of outcomes and a countable space with probabilities given by the sum of three geometric progressions are considered.

Key words: independence, dependence, random event, discrete probability space, correlation coefficient, prime number.

UDC: 519.21

Received: 21.02.2020


 English version:
Moscow University Mathematics Bulletin, Moscow University Mеchanics Bulletin, 2021, 76:1, 9–15

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© Steklov Math. Inst. of RAS, 2024