Mathematics of quasiperiodic systems and related topics 準周期系の数理とその周辺

Mathematics of quasiperiodic systems and related topics
準周期系の数理とその周辺

RIMS cooperative research will take place under this title.
京都大学数理解析研究所の共同研究(グループ型A)を下記のように開催します。

Date:	Monday, October 20 -- Wednesday, October 22, 2025
日時:	2025年10月20日(月) -- 10月22日(水)
Place:	RIMS (111号室) + Zoom, Kyoto University

Monday, October 20, 2025 (2025年10月20日(月))

13:00-13:40	Hideki Tsuiki 立木秀樹 (Kyoto Univ 京都大)
	Coinductive view of self-similar tiles
13:50-14:30	Mark Loyola (Ateneo de Manila Univ)
	Symmetry structures of tilings on a Klein bottle
14:40-15:20	Ikuro Sato 佐藤郁郎 (Miyagi Cancer Center 宮城県立がんセンター)
	Fibonacci numbers, binary quadratic forms and topographs
15:30-16:10	Eden Delight P. Miro (Ateneo de Manila Univ)
	Coverability of substitutions and their associated subshifts
16:20-17:00	Yoshikazu Yamagishi 山岸義和 (Ryukoku Univ 龍谷大)
	The farthest point mapping on the regular n-simplex
	n次元正単体上の最遠点写像

Tuesday, October 21, 2025 (2025年10月21日(火))

9:10-9:50	Supanut Chaidee (Chiang Mai Univ)
	Tiling lattice polygons over the grid for analyzing the magnetic chess game
10:00-10:40	Ryuji Abe 阿部隆次 (Tokyo Polytechnic Univ 東京工芸大)
	Palindromes in continued fractions and representations of Markoff numbers
	連分数における回文とマルコフ数の表現
10:50-11:30	Takeo Noda 野田健夫 (Toho Univ 東邦大)
	Masamichi Yoshida 吉田雅通 (Osaka Metropolitan Univ 大阪公立大)
	Shin-Ichi Yasutomi 安冨真一 (Nagoya Univ 名古屋大)
	Star-shaped trajectories of certain billiards around a triangle 1

13:50-14:30 Takeo Noda 野田健夫 (Toho Univ 東邦大)

Masamichi Yoshida 吉田雅通 (Osaka Metropolitan Univ 大阪公立大)

Shin-Ichi Yasutomi 安冨真一 (Nagoya Univ 名古屋大)

Star-shaped trajectories of certain billiards around a triangle 2

14:40-15:20 Kentaro Ito 糸健太郎 (Chubu Univ 中部大)

Jitterbug transformations for polyhedra in the Minkowski space and related topics

15:30-16:10 Johannes Schönke (Formal Design)

A rigorous proof of optimality for a family of motion forms

16:20-17:00 Nobuhisa Fujita 藤田伸尚 (Tohoku Univ 東北大)

A rhombic Penrose tiling variant characterized by abundant five-petaled flower motifs

Wednesday, October 22, 2025 (2025年10月22日(水))

9:10-9:50	Makoto Sato 佐藤純 (Kanazawa Univ 金沢大)
	Tiling mechanisms of the compound eye: Does an Einstein tile exist in life?
10:00-10:40	Takaaki Yonekura 米倉崇晃 (Univ of Tokyo 東京大)
	なぜ植物にフィボナッチ数が現れるのか
10:50-11:30	Shigeki Akiyama 秋山茂樹 (Univ of Tsukuba 筑波大)
	Small orbits of discretized rotation