March 7-9, 2019
University of Tsukuba, Ibaraki, Japan
Organizers:
Shigeki Akiyama (Tsukuba Univ.)
Masaaki Amou (Gunma Univ.)
Ryotaro Okazaki
Leo Murata (Meiji Gakuin Univ.)
Masanori Katsurada (Keio Univ.)
Noriko Hirata-Kohno (Nihon Univ.)
Taka-aki Takana (Keio Univ.)
Local Organizers:
Shigeki Akiyama (Tsukuba Univ.)
Hiroshi Mikawa (Tsukuba Univ.)
Hajime Kaneko (Tsukuba Univ.)
Thursday 7th March
| 10:00-10:50 | Makoto Kawashima (Osaka University) |
| Linear independence measures for values of power of logarithm functions | |
| 11:00-11:50 | Alan Filipin (University of Zagreb) |
| A polynomial variant of the problem of Diophantus | |
| 14:00-14:50 | Yasutsugu Fujita (Nihon University) |
| Non-existence of Diophantine quadruples consisting of Fibonacci numbers | |
| 15:00-15:50 | Thomas Stoll (Université de Lorraine) |
| The sum of digits in two different bases | |
| 16:00-16:50 | Ryuji Abe (Tokyo Polytech. Univ.) |
| Markoff spectrum and arithmetic Fricke groups | |
| 17:00-17:50 | Iekata Shiokawa (Keio University) |
| Irrationality exponents of certain sums of rational numbers |
Friday 8th March
| 9:00-9:50 | Yohei Tachiya (Hirosaki University) |
| Refinement of Chowla-Erdős method and arithmetical properties of certain Lambert series | |
| 10:00-10:50 | Dong Han Kim (Dongguk University) |
| On the set of inhomogeneous Diophantine approximations | |
| 11:00-11:50 | Teturo Kamae (Osaka City University) |
| Normal numbers as configurations on N2 | |
| 14:00-14:50 | Alan Haynes (University of Houston) |
| Diophantine approximation and diffraction from quasicrystals | |
| 15:00-15:50 | Hohto Bekki (The University of Tokyo) |
| On the geodesic continued fraction and its periodicity | |
| 16:00-16:50 | Arnaldo Nogueira (Institut de Mathématiques de Marseille) |
| On the action of the semigroup of non singular integral matrices on Rn | |
| 17:00-17:50 | Haruki Ide (Keio University) |
| Algebraic independence of the values and the partial derivatives of a certain entire function of two variables |
Saturday 9th March
| 10:00-10:50 | Tomohiro Ooto (Tecnos Data Science Engineering) |
| Diophantine exponents for hyperquadratic continued fractions | |
| 11:00-11:50 | Takafumi Miyazaki (Gunma University) |
| Application of cubic residue theory to a special type of unit equation concerning Eisenstein triples | |
| 12:00-12:50 | Hajime Kaneko (University of Tsukuba) |
| Analogy of the Lagrange spectrum for powers of quadratic Pisot units |
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