Shigeki Akiyama, Teturo Kamae, Hajime Kaneko, Exponential Diophantine approximation and symbolic dynamics, ArXiv
Shigeki Akiyama, Yasushi Nagai, Shu-Qin Zhang, Overlapping substitutions and tilings, ArXiv
Shigeki Akiyama, 3 dimensional Wythoff Nim, ArXiv
Shigeki Akiyama, Tadahisa Hamada, Katsuki Ito, Sturmian lattices and Aperiodic tile sets, ArXiv