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Dive into the research topics where Alexey Chuprunov is active.

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Featured researches published by Alexey Chuprunov.


Theory of Probability and Its Applications | 2004

ALMOST SURE LIMIT THEOREMS FOR THE PEARSON STATISTIC

Alexey Chuprunov; István Fazekas

Almost sure versions of limit theorems by Kruglov for the Pearson


Journal of Mathematical Sciences | 1998

Convergence of random step lines to Ornstein-Uhlenbeck-type processes

Alexey Chuprunov; István Fazekas

\chi^2


Discrete Mathematics and Applications | 2012

An analogue of the generalised allocation scheme: limit theorems for the number of cells containing a given number of particles

Alexey Chuprunov; István Fazekas

-statistic are obtained.


Periodica Mathematica Hungarica | 2005

INTEGRAL ANALOGUES OF ALMOST SURE LIMIT THEOREMS

Alexey Chuprunov; István Fazekas

The paper deals with random step-line processes defined by sums of independent identically distributed random variables multiplied by independent indicators. These processes describe some models in which random variables are replaced with other ones. We prove the convergence in distribution of such processes to the weighted Ornstein-Uhlenbeck process.


Periodica Mathematica Hungarica | 2010

An exponential inequality and strong limit theorems for conditional expectations

Alexey Chuprunov; István Fazekas

An analogue of the generalised allocation scheme is considered. In the definition of the original scheme, the equality is replaced by an inequality. Strong laws of large numbers and local limit theorems are obtained for the number of cells containing r particles.


Communications in Statistics-theory and Methods | 2018

The conditional maximum of Poisson random variables

István Fazekas; Alexey Chuprunov

SummaryAn integral analogue of the general almost sure limit theorem is presented. In the theorem, instead of a sequence of random elements, a continuous time random process is involved, moreover, instead of the logarithmical average, the integral of delta-measures is considered. Then the general theorem is applied to obtain almost sure versions of limit theorems for semistable and max-semistable processes, moreover for processes being in the domain of attraction of a stable law or being in the domain of geometric partial attraction of a semistable or a max-semistable law.


Publicationes Mathematicae Debrecen | 2014

STRONG LIMIT THEOREMS IN THE MULTI-COLOUR GENERALIZED ALLOCATION SCHEME

Alexey Chuprunov; István Fazekas

An exponential inequality for the tail of the conditional expectation of sums of centered independent random variables is obtained. This inequality is applied to prove analogues of the Law of the Iterated Logarithm and the Strong Law of Large Numbers for conditional expectations. As corollaries we obtain certain strong theorems for the generalized allocation scheme and for the nonuniformly distributed allocation scheme.


Annales Umcs, Mathematica | 2011

Inequalities and limit theorems for random allocations

István Fazekas; Alexey Chuprunov; József Túri

ABSTRACT The conditional maxima of independent Poisson random variables are studied. A triangular array of row-wise independent Poisson random variables is considered. If condition is given for the row-wise sums, then the limiting distribution of the row-wise maxima is concentrated onto two points. The result is in accordance with the classical result of Anderson. The case of general power series distributions is also covered. The model studied in Theorems 2.1 and 2.2 is an analogue of the generalized allocation scheme. It can be considered as a non homogeneous generalized scheme of allocations of at most n balls into N boxes. Then the maximal value of the contents of the boxes is studied.


Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only] | 2004

A central limit theorem for random fields.

István Fazekas; Alexey Chuprunov

The generalized allocation scheme is studied. Its extension for coloured balls is defined. Some analogues of the Law of the Iterated Logarithm and the Strong Law of Large Numbers are obtained for the number of boxes containing fixed numbers of balls.


Journal of Theoretical Probability | 2007

An Almost Sure Functional Limit Theorem for the Domain of Geometric Partial Attraction of Semistable Laws

István Fazekas; Alexey Chuprunov

Random allocations of balls into boxes are considered. Properties of the number of boxes containing a fixed number of balls are studied. A moment inequality is obtained. A merge theorem with Poissonian accompanying laws is proved. It implies an almost sure limit theorem with a mixture of Poissonian laws as limiting distribution. Almost sure versions of the central limit theorem are obtained when the parameters are in the central domain.

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