Abstract:We consider a family {T N : N ≥ 1} of interval maps as generalizations of the Gauss transformation. For the continued fraction expansion arising from T N , we solve its Gauss-Kuzmin-type problem by applying the theory of random systems with complete connections by Iosifescu.
Mathematics Subject Classifications (2010). 11J70, 11K50
“…Our study is a continuation of the papers [11] and [12], where the second author discussed some metric properties of N -continued fraction expansions. Moreover, he investigated the associated Perron-Frobenius operator and proved a Gauss-Kuzmin theorem for N -continued fractions by applying the method of random systems with complete connections (RSCC) by Iosifescu [8].…”
Section: Introductionmentioning
confidence: 92%
“…, a 2 , a 1 + t] N , n ≥ 2, while s 1,t = N/(a 1 + t), t ∈ I. These facts lead us to the random system with complete connections [11] {(I, B I ), (Λ, P(Λ)), u, V }, where P(Λ) is the power set of Λ,…”
Section: )mentioning
confidence: 99%
“…In this section, we give a Gauss-Kuzmin theorem related to the natural extension I 2 , B 2 I , G N , T N . To solve the problem, we need a version of the Gauss-Kuzmin theorem for T N different from that presented by the second author in [11]. The problem of finding the asymptotic behaviour of T −n N (A) as n → ∞, A ∈ B I , represents the Gauss-Kuzmin problem for N -continued fraction expansions.…”
Section: A Two-dimensional Gauss-kuzmin Theoremmentioning
A two-dimensional Gauss-Kuzmin theorem for N -continued fraction expansions is shown. More precisely, we obtain a Gauss-Kuzmin theorem related to the natural extension of the measure-theoretical dynamical system associated to these expansions. Then, using characteristic properties of the transition operator associated with the random system with complete connections underlying N -continued fractions on the Banach space of complex-valued functions of bounded variation, we derive explicit lower and upper bounds for the convergence rate of the distribution function to its limit.
“…Our study is a continuation of the papers [11] and [12], where the second author discussed some metric properties of N -continued fraction expansions. Moreover, he investigated the associated Perron-Frobenius operator and proved a Gauss-Kuzmin theorem for N -continued fractions by applying the method of random systems with complete connections (RSCC) by Iosifescu [8].…”
Section: Introductionmentioning
confidence: 92%
“…, a 2 , a 1 + t] N , n ≥ 2, while s 1,t = N/(a 1 + t), t ∈ I. These facts lead us to the random system with complete connections [11] {(I, B I ), (Λ, P(Λ)), u, V }, where P(Λ) is the power set of Λ,…”
Section: )mentioning
confidence: 99%
“…In this section, we give a Gauss-Kuzmin theorem related to the natural extension I 2 , B 2 I , G N , T N . To solve the problem, we need a version of the Gauss-Kuzmin theorem for T N different from that presented by the second author in [11]. The problem of finding the asymptotic behaviour of T −n N (A) as n → ∞, A ∈ B I , represents the Gauss-Kuzmin problem for N -continued fraction expansions.…”
Section: A Two-dimensional Gauss-kuzmin Theoremmentioning
A two-dimensional Gauss-Kuzmin theorem for N -continued fraction expansions is shown. More precisely, we obtain a Gauss-Kuzmin theorem related to the natural extension of the measure-theoretical dynamical system associated to these expansions. Then, using characteristic properties of the transition operator associated with the random system with complete connections underlying N -continued fractions on the Banach space of complex-valued functions of bounded variation, we derive explicit lower and upper bounds for the convergence rate of the distribution function to its limit.
“…This method is based on a Gauss-Kuzmin-Lévy theorem. For greedy N -expansions this theorem is proved by Dan Lascu in [13]. The method yields smoother results than by simulating in the classical way (looking at the histogram of the orbit of a typical point as described in Choe's book [14], and used in his papers [12,15]).…”
In this paper we consider continued fraction (CF) expansions on intervals different from [0,1]. For every x in such interval we find a CF expansion with a finite number of possible digits. Using the natural extension, the density of the invariant measure is obtained in a number of examples. In case this method does not work, a Gauss-Kuzmin-Lévy based approximation method is used. Convergence of this method follows from [1] but the speed of convergence remains unknown. For a lot of known densities the method gives a very good approximation in a low number of iterations. Finally, a subfamily of the N -expansions is studied. In particular, the entropy as a function of a parameter α is estimated for N = 2 and N = 36. Interesting behavior can be observed from numerical results.
“…where {x} is the fractional part of x. Such transformations were first introduced in [3] (the associated continued fractions had appeared in [2]) and also studied in [7][8] [11]. For every p, T p has a unique absolutely continuous ergodic invariant measure dµ p (x) = 1 ln(p + 1) − ln p…”
We prove a generalized Gauss-Kuzmin-Lévy theorem for the pnumerated generalized Gauss transformationIn addition, we give an estimate for the constant that appears in the theorem.
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