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de Jonge, C.J. (author), Kraaikamp, C. (author), Nakada, Hitoshi (author)For N∈ N<sub>≥ 2</sub> and α∈ R such that 0<α≤N-1, we define I<sub>α</sub>: = [α, α+ 1] and Iα-:=[α,α+1) and investigate the continued fraction map Tα:Iα→Iα-, which is defined as Tα(x):=Nx-d(x), where d: I<sub>α</sub>→ N is defined by d(x):=⌊Nx-α⌋. For N∈ N<sub>≥ 7</sub>, for certain values of α, open intervals (a, b) ⊂ I<sub>α</sub> exist...journal article 2022
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de Jonge, C.J. (author), Kraaikamp, C. (author)By means of singularisations and insertions in Nakada's α-expansions, which involves the removal of partial quotients 1 while introducing partial quotients with a minus sign, the natural extension of Nakada's continued fraction map Tα is given for (10-2)/3≤α<1. From our construction it follows that Ωα, the domain of the natural extension...journal article 2018
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Kraaikamp, C. (author), Langeveld, Niels (author)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...journal article 2017
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- Kraaikamp, C. (author) journal article 2016
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Uffink, G.J.M. (author), Elfeki, A. (author), Dekking, M. (author), Bruining, J. (author), Kraaikamp, C. (author)In the present study, we examine non-Gaussian spreading of solutes subject to advection, dispersion and kinetic sorption (adsorption/desorption). We start considering the behavior of a single particle and apply a random walk to describe advection/dispersion plus a Markov chain to describe kinetic sorption. We show in a rigorous way that this...journal article 2011
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- Dajani, K. (author), Hartono, Y. (author), Kraaikamp, C. (author) journal article 2009
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Iosifescu, M. (author), Kraaikamp, C. (author)Metric properties of Denjoy's canonical continued fraction expansion are studied, and the natural extension of the underlying ergodic system is given. This natural extension is used to give simple proofs of results on mediant convergents obtained by W. Bosma in 1990.journal article 2008
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- Cator, E.A. (author), Jongbloed, G. (author), Kraaikamp, C. (author), Wellner, J.A. (author), Lopuhaä, H.P. (author) book 2007
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Bosma, W. (author), Dajani, K. (author), Kraaikamp, C. (author)Expansions that furnish increasingly good approximations to real numbers are usually related to dynamical systems. Although comparing dynamical systems seems difficult in general, Lochs was able in 1964 to relate the relative speed of approximation of decimal and regular continued fraction expansions (almost everywhere) to the quotient of the...conference paper 2006
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- Kraaikamp, C. (author), Iosifescu, M. (author) journal article 2003
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Kraaikamp, C. (author), Hartono, Y. (author)In this note Hurwitzian numbers are defined for the nearest integer, and backward continued fraction expansions, and Nakada's $\alpha$-expansions. It is shown that the set of Hurwitzian numbers for these continued fractions coincides with the classical set of such numbers.journal article 2002
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Iosifescu, M. (author), Kraaikamp, C. (author)Metric properties of Denjoy's canonical continued fraction expansion are studied, and the natural extension of the underlying ergodic system is given. This natural extension is used to give simple proofs of results on mediant convergents obtained by W. Bosma in 1990.journal article