Journées Numération, Prague May 26-30 2008
Doppler Institute, Czech Technical University

Monday 26.5.

8:30 -  9:15 registration
9:15 -  9:30 opening
9:30 - 10:15 Marco Pedicini Critical constants for unique expansions in general alphabets
10:15 - 10:45 Christiane Frougny Univoque numbers and the Thue-Morse sequence
10:45 - 11:15 coffee break
11:15 - 11:45 Jean Pierre Gazeau Probabilistic aspects of beta-integers viewed as perturbations of integers
11:45 - 12:15 Ľubomíra Balková Asymptotic behavior of beta-integers
12:15 - 14:30 lunch break
14:30 - 15:15 Robert Tijdeman Fine and Wilf words
15:15 - 15:45 Julien Cassaigne On the number of $\alpha$-power-free words for $2 < \alpha \leq 7/3$
15:45 - 16:15 coffee break
16:15 - 16:45 Zhi-Ying Wen Coincidence of two fixed points of invertible substitution over two letters
16:45 - 17:15 Karel Klouda Factor complexity of infinite words associated with $\beta$-expansions
17:15 - 17:45 Ondřej Turek Balance properties of infinite words associated with quadratic Pisot numbers
18:00 -  welcome drink

Tuesday 27.5.

9:30 - 10:15 Shigeki Akiyama Some applications of rational based number system
10:15 - 10:45 Taizo Sadahiro $(-\beta)$-expansions of real numbers
10:45 - 11:15 coffee break
11:15 - 11:45 Emilie Charlier A decision problem for ultimately periodic sets in non-standard numeration systems
11:45 - 12:15 Charlene Kalle Dynamical aspects of beta-expansions with deleted digits
12:15 - 14:30 lunch break
14:30 - 15:15 Michel Rigo Extensions and restrictions of Wythoff's game preserving Wythoff's sequence as set of $P$ positions
15:15 - 15:45 Peter J. Grabner Distribution properties of digital functions over the Gaussian integers
15:45 - 16:15 coffee break
16:15 - 16:45 Manfred Madritsch Properties of sets with digital restrictions
16:45 - 17:15 Ali Messaoudi Eigenvalues of Fibonacci stochastic adding machine

Wednesday 28.5.

9:30 - 10:15 Jean-Louis Verger-Gaugry Rauzy fractals and equi-distribution of Galois and beta-conjugates of a Parry number near the unit circle
10:15 - 10:45 Pierre Liardet Harmonic properties of some linear automatic flows
10:45 - 11:15 coffee break
11:15 - 11:45 Jörg Thuswaldner Fundamental Groups of Rauzy Fractals
11:45 - 12:15 Benoît Loridant Crystallographic number systems

Thursday 29.5.

9:30 - 10:15 Michael Rubinstein The distribution of solutions to $xy=N \mod a$ with an application to factoring integers
10:15 - 10:45 Yann Bugeaud On the digit changes in the $b$-ary expansion of an algebraic number
10:45 - 11:15 coffee break
11:15 - 11:45 Ionica Smeets Sharp bounds for symmetric and asymmetric Diophantine approximation
11:45 - 12:15 Christiaan van de Woestijne Algebraic aspects of number systems
12:15 - 14:30 lunch break
14:30 - 15:15 Özgür Yilmaz Alternative numeration systems for robust analog-to-digital conversion
15:15 - 15:45 Attila Pethő On the boundary of closure of the set of contractive polynomials
15:45 - 16:15 coffee break
16:15 - 16:45 Paul Surer Generalisation of Canonical Number Systems
16:45 - 17:15 Attila Kovács Some dynamical properties of generalized radix systems
19:00 -  Conference diner

Friday 30.5.

9:30 - 10:15 Benoît Rittaud Random Fibonacci sequences and a natural link between continued fractions and Fibonacci numeration system
10:15 - 10:45 Petr Kůrka Möbius number systems
10:45 - 11:15 coffee break
11:15 - 11:45 Valérie Berthé Multidimensional continued fractions and numeration