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On One Application of Infinite Systems of Functional Equations in Function Theory

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Tatra Mountains Mathematical Publications
Real Functons, Ideals, Measurable Functions, Functional Equations
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The paper presents the investigation of applications of infinite systems of functional equations for modeling functions with complicated local structure that are defined in terms of the nega-˜Q-representation. The infinite systems of functional equations

f(φˆk(x))=β˜ik+1,k+1+p˜ik+1,k+1f(φˆk+1(x)),f\left( {{{\hat \varphi }^k}(x)} \right) = \tilde \beta {i_{k + 1}},k + 1 + \tilde p{i_{k + 1}},k + 1f\left( {{{\hat \varphi }^{k + 1}}(x)} \right),

where x=Δi1(x)i2(x)in(x)-Q˜x = \Delta _{{i_1}(x){i_2}(x) \ldots {i_n}(x) \ldots }^{ - \tilde Q}, and φ ̑ is the shift operator of the Q̃-expansion, are investigated. It is proved that the system has a unique solution in the class of determined and bounded on [0, 1] functions. Its analytical presentation is founded. The continuity of the solution is studied. Conditions of its monotonicity and nonmonotonicity, differential, and integral properties are studied. Conditions under which the solution of the system of functional equations is a distribution function of the random variable η=Δξ1ξ2ξnQ˜\eta = \Delta _{{\xi _1}\,\xi 2 \ldots {\xi _n} \ldots }^{\tilde Q} with independent Q̃-symbols are founded.

eISSN:
1210-3195
Langue:
Anglais
Périodicité:
3 fois par an
Sujets de la revue:
Mathematics, General Mathematics