Aperiodic tile sets and related topics

RIMS cooperative research will take place under this title. J. Kari gives a series of survey talks. We welcome anyone who is interested in.

Organizer: Shigeki Akiyama.

Date: 19 Oct - 21 Oct, 2015
Place : RIMS Room 111, Kyoto University

Japanese Version


Monday 19 Oct
13:00 ~ 13:50 Katsunobu Imai (Hiroshima Univ.)
The shape of n-th corona of any patch on Penrose tilings converges to the regular decagon.
14:00 ~ 14:50 Tomonari Dotera (Kinki Univ.)
Seidohi Tairubari.
15:00 ~ 15:50 Yasushi Nagai (Keio Univ.)
Delone multisets, dynamical systems and weakly pattern-equivariant functions.
16:00 ~ 17:00 Jarkko Kari (Univ. Turku)
Lecture 1: Wang tiles and aperiodicity.


Tuesday 20 Oct
9:00 ~  9:50 Fumihiko Nakano (Gakushuin Univ.)
Generalized carries process and riffle shuffle.
9:55 ~ 10:55 Jarkko Kari (Univ Turku)
Lecture 2: Algorithmic questions and the domino problem.
11:00 ~ 11:30 Kazushi Komatsu (Kochi Univ.), Satoru Goto (Tokyo Univ. Sci.), Jun Yagi (Kochi Univ.)
The configuration space of almost regular polygons.

13:15 ~ 14:05 Yohji Akama (Tohoku Univ.)
Classification of spherical monohedral polygonal tilings and the number of perfect matchings.
14:10 ~ 15:10 Jarkko Kari (Univ. Turku)
Lecture 3: Applications to cellular automata.
15:15 ~ 16:05 Takamichi Sushida (Meiji Univ.), Akio Hizume (Ryukoku Univ.), Yoshikazu Yamagishi (Ryukoku Univ.)
Phyllotactic Voronoi tilings on Archimedean spiral lattices.
16:10 ~ 17:00 Hiromi Ei (Hirosaki Univ.), Hitoshi Nakada (Keio Univ.), Rie Natsui (Japan Women Univ.)
A construction of the natural extension of Hurwitz complex continued fraction transformation over Q (√-1).


Wednesday 21 Oct
9:00 ~  9:50 Jonathan Caalim (Univ. Tsukuba)
Construction of self-similar tiling by rotational beta expansion. (Cancelled)
  10:00 ~ 10:50 Ikuro Sato (Miyagi Cancer Center)
Quasicrystals, from the viewpoint of higher dimensional crystals.
11:00 ~ 11:50 Shigeki Akiyama (Univ. Tsukuba)
Quasi-crystal generated by polynomials: Erdös's problem.

Related meetings 2001 2002 2003 2004 2005 2006(Keio) 2006 2007 2008 2009 2010 2011 2012 2013 2014