Open Seminar

Yan-Li Xu (Central China Normal Univ.)
Optimal triangles with badly approximable angles

Hajime Kaneko (Univ. Tsukuba)
Uniformity of fractional parts and Borel hierarchy

Didier Lesesvre (Univ Lille)
The smooth Weyl law with uniform power savings

Yoshinori Takei (Nippon Sport Science University)
An isomorphism between the tree generated by inverse Sós permutation based on congruencial recurrence and the Farey tree

Emily R. Korfanty (University of Alberta, Canada)
Circles in diffraction

Makoto Nagata (Osaka Medical and Pharmaceutical University)
A congruential recurrence and inverse Sós permutation

Masamichi Yoshida (Osaka Metropolitan Univ)
Signed expansion by cubic Pisot units

Hiroki Takahashi (Keio Univ)
The distribution of the largest digit for iterated function systems of the interval

Shintaro Suzuki (Tokyo Gakugai Univ.)
Dimension spectrum of digit frequency sets for beta-expansions

14:00-
William Mance (Adam Mickiewicz University)
Borel complexity of sets of normal numbers via generic points in subshifts with specification

15:15-
Xiang Gao (Hubei University)
On an Erdős similarity problem in the large

16:30-
Tetsuro Kamae (Osaka Metropolitan Univ.)
Some word problems

Hajime Kaneko (Univ Tsukuba)
Markoff Lagrange Spectrum for one-sided shift space

Dong Han Kim (Dongguk University, Korea)
On the repetition of low complexity word and the expansion of real numbers in integer bases

Nathaniel Nollen (University of the Philippines - Diliman)
Quaternion Expansions

Kota Saito (Univ Tsukuba)
The simple normality of the fractional powers of two and the Riemann zeta function

Hiroki Takahashi (Keio Univ)
High complexity ergodic optimization for the Dyck-Motzkin shifts

Masato Kobayashi (Kanagawa Univ)
Differential equation of Eisenstein Series of level two

Shota Inoue (Kanagawa Univ)
Probabilistic dependence of Dirichlet L functions

Fumichika Takamizo (Osaka Metropolitan Univ.)
Title: Finite beta-expansions of natural numbers

Masamichi Yoshida, Fumichika Takamizo (Osaka Metropolitan Univ.)
Title: Signed expansion of integers based on a Cubic Pisot unit

Yasuhi Nagai (Shinshu Univ.)
Title: Lengths of arithmetic progressions in some sequences defined via substitutions

Seul Bee LEE (Center for Geometry and Physics, Institute for Basic Science, Korea)
Approximations with mod 2 congruence conditions

Fumihiko Nakano (Tohoku Univ.)
Lift of Temperley-Lieb operator and Razumov-Stroganov conjecture

Ade Irma Suriajaya (Kyushu Univ.)
Average cardinarity estimate of Goldbach representations and zeros of Riemann zeta function

Shunsuke Usuki (Kyoto Univ.)
Lower bound of number of integers which appear in Littlewood conjecture

Kanji Inui (Keio Univ.)
Non-autonomous iterated function systems and fractals

Junghun Lee (Tokyo Inst. Tech.)
Hyperbolicity and J-stability in Non-archimedean Dynamics

Koichi Kawada (Iwate Univ.)
On Kaprekar numbers

Shin'ichi Yasutomi (Toho Univ.)
Billiards in a circle with trajectories circumscribing a triangle

Kota Saito (Nagoya Univ))
Topological properties and algebraic independence of sets of prime-representing constants

Ken-ichiro Yamamoto (Nagaoka University of Technology)
Density of periodic measures and large deviation principle for generalized (α,β)-transformations

Ryoko Tomiyasu (Kyushu Univ IMI )
How to generate plant-derived aperiodic packing ?

Yoshio Sano (Univ. Tsukuba)
Matroid for posets and efficient optimization algorithms

Hiroki Takahasi (Keio Univ.)
Hausdorff dimension of sets with restricted, slowly growing partial quotients

Kim Dong Han (Dongguk Univ. Korea)
The Markoff and Lagrange spectra on the unit circle

Hideki Tsuiki (Kyoto Univ.)
Projection of Sierpinski tetrahedron and related fractals

Asaki Saito (Future Univ. Hakodate)
Critical curves of a piecewise linear map

Yasushi Nagai (Open Univ. UK)
The absence of the absolutely continuous diffraction spectra for certain S-adic tilings

Shin'ichi Yasutomi (Toho Univ.) Ergodicity of p-adic higher dimensional continued fraction algorithms

Yuki Takahashi (Tohoku Univ. AIMR)
Sums and products of Cantor sets and two-dimensional quasicrystal models

Mao Shinoda (Kyoto Univ.)
Intrinsic ergodicity for factors of (-beta)-shift

16:40-17:20 Pieter Allaart (University of North Texas)
On univoque and strongly univoque sets

17:30-18:10 Kiko Kawamura (University of North Texas)
Revolving Fractals

Arnaldo Nogueira (Institut de Mathématiques de Marseille)
Rotation number of contracted rotations

Pierre Arnoux (Univ. AiX-Marseille)
The Rauzy gasket : known facts, conjectures and recent developments.

Davit Karagulyan (Kyushu Univ. JSPS)
On the Möbius disjointness conjecture and a class of interval exchange maps.

Dong Han Kim (Dongguk University)
The Lagrange and Markov Spectra of Pythagorean triples

Masamichi Yoshida (Osaka City Univ.)
Odometer representation of irrational rotation

Yann Bugeaud (Univ. Strasbourg)
Around the Littlewood conjecture in Diophantine approximation

Yoshikazu Yamagishi (Ryukoku Univ.)
Disk packing on the logarithmic spiral lattice

Isao Kiuchi (Yamaguchi Univ.)
On Ranamujan Sum.

Dong-Han Kim (Dongguk Univ.)
A new complexity function of repetition and irrationality exponents.

Koji Nuida (AIST/JST)
Polynomial expression of addition and multiplication.

Brigitte Vallée (Univ. Caen)
A probabilistic study for the recurrence function of sturmian words.

Yuichi Kamiya (Daito Bunka Univ.)
On power sums for the coding system related to the regular paperfolding sequence.

15:00-16:00
Takao Komatsu (Wuhan Univ.)
q-multiparameter-Bernoulli polynomials and q-multiparameter-Cauchy polynomials by Jackson's integrals

16:00-17:00
Tomohiro Ooto (Univ.Tsukuba)
Quadratic approximation in F_q((T ^-1))

Ryoko Tomiyasu (KEK)
Application of C-type lattice reduction theory to the determination problem of 3-dim lattices from length spectra.

Bo Tan (Huazhong Univ. of Science and Technology)
The graph of continuous function and packing dimension.

Tiling Meeting at Tsukuba

Yu Yasufuku (Nihon Univ.)
Coordinate growth of points in an orbit.

13/7/2013 Sat. 10:00-10:50
Chih-Hung Chang (Feng Chia Univ.)
Multi-layer Cellular Neural Networks: Deep and Shallow Architectures.

13/7/2013 Sat. 11:00-11:50
Chuan-Sheng Wei (Feng Chia Univ.)
Multiple Zeta Values : Evaluations and Relations.

Kentaro Nakaishi
Pisot conjecture and Rauzy fractals

Ma. Louise Antonette N. De Las Peñas(Ateneo De Manila University Philippines)
Color Symmetries Associated with Non-Periodic Structures

Koichiro Akiyama (Toshiba Corp.)
A Public-key Cryptosystem based on the Diophantine Problems on F_p[t].

14:00-14:40 Attila Pethő (Debrecen Univ.)
On the number of some classes of polynomials.

14:45-15:25 Yusuke Suzuki (Niigata Univ.)
Y-Rotations in k-minimal projective-planar quadrangulations.

15:30-16:10 Florian Luca(UNAM)
Diophantine equations with generalized Fibonacci numbers.

16:15-16:55 Shigeki Akiyama (Niigata Univ.)
On the aperiodicity of Ammann tiles.

15:00-15:50 Benoît Loridant (FWF Project researcher)
Boundary parametrization of a class of Rauzy fractals.

15:00-16:00 S. D. Adhikari (Harish-Chandra Inst.)
Two problems related to integer lattice points in the plane.

15:30-17:00 Tetsuro Kamae (Osaka City U. Alumni)
Behavior of various complexity functions.

15:00-15:50 Yuichi Kamiya (Daito Bunka U.)
Relations among arithmetical functions, automatic sequences,
and sum of digits function associated with certain Gray codes
(joint work with Leo Murata)

16:00-17:00 Robert Tichy (Graz Tech. Univ.)
Digital expansions: Arithmetics and Dynamics

14:00-14:50 Makoto Minamida(Nagoya U.)
An analogue of the Voronoi formula

15:00-15:50 Edmund Harriss (Univ. Leister)
Tilings, Puzzles and the limits of mathematics

10:00-10:30
Paulius Drungilas (Vilnius Univ.)
Multiplicative independence of quadratic units

10:40-11:30
Shigeki Akiyama
Self-similar dissection puzzle

13:30-14:20
Yoshio Tanigawa (Nagoya U.)
Modular forms and the Clausen-type identities.

16:30-
Hajime Kaneko(Kyoto U.)
On the binary expansions of algebraic numbers

13:30-14:20
Nobuhiro Terai (Ashikaga Inst. Tech.)
Integer points and independent points on the elliptic curve y = x³ - p^kx (joint work with Y. Fujita).

14:30-15:20
Kálmán Győry (Debrecen Univ.)
On certain arithmetic graphs and their applications to diophantine problems.

15:30-16:20
Attila Pethő (Debrecen Univ.)
On a family of collision-free functions.

16:30-17:20
Benoît Loridant (Niigata Univ. JSPS)
Boundary parametrization of canonical number system tiles.

16:30-
Takao Komatsu (Hirosaki U.)
s-term leaping recurrence relations.

17:30-18:30
Attila Bérczes (Debrecen Univ.)
Effective results on certain subvarieties of tori

14:30-15:10
Jun Luo (San Yat Sen U., Gangzhou)
Tangram Puzzle Shape & 2D tilings.

15:30-16:10
Tetsuro Kamae(Matsuyama U.)
Problems related to the uniform sets.

15:00-15:50
Akos Pinter (Debrecen Univ.),
Combinatorial geometry, diophantine equations and modular forms

15:10-16:10
Shuichi Hayashida(Seigen U.:Germany)
Introduction to number theory and automorphic forms

This list may not be complete.