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4 papers
On the second Lyapunov exponent of some multidimensional continued fraction algorithms
Valérie Berthé, Wolfgang Steiner, Jörg Thuswaldner
We study the strong convergence of certain multidimensional continued fraction algorithms. In particular, in the two-dimensional case, we prove that the second Lyapunov exponent of…
The level of distribution of the sum-of-digits function of linear recurrence number systems
Manfred G. Madritsch, Jörg M. Thuswaldner
Let be a strictly increasing linear recurrent sequence of integers with having characteristic polynomial . It is we…
-adic sequences. A bridge between dynamics, arithmetic, and geometry
Jörg M. Thuswaldner
A Sturmian sequence is an infinite nonperiodic string over two letters with minimal subword complexity. In two papers, the first written by Morse and Hedlund in 1940 and the second…
Topology of planar self-affine tiles with collinear digit set
Shigeki Akiyama, Benoît Loridant, Jörg Thuswaldner
We consider the self-affine tiles with collinear digit set defined as follows. Let satisfy and be an integral matri…