Akiyama Shigeki

J-GLOBAL         Last updated: Aug 8, 2019 at 02:57
 
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Name
Akiyama Shigeki
E-mail
akiyamamath.tsukuba.ac.jp
Affiliation
University of Tsukuba
Section
Faculty of Pure and Applied Sciences
Job title
Professor

Research Areas

 
 

Published Papers

 
Akiyama, Shigeki;Feng, De-Jun;Kempton, Tom;Persson, Tomas
International Mathematics Research Notices      Sep 2018   [Refereed]
Akiyama, Shigeki;Caalim, Jonathan;Imai, Katsunobu;Kaneko, Hajime
DISCRETE & COMPUTATIONAL GEOMETRY   61(3) 626-652   Apr 2019
Lee, Jeong-Yup; Akiyama, Shigeki; Nagai, Yasushi
SYMMETRY-BASEL   10(10)    Oct 2018   [Refereed]
Strongly nonperiodic hyperbolic tilings using single vertex configuration
Ahara, Kazushi; Akiyama, Shigeki; Hayashi, Hiroko; Komatsu, Kazushi
HIROSHIMA MATHEMATICAL JOURNAL   48(2) 133-140   Jul 2018   [Refereed]
On subtrees of the representation tree in rational base numeration systems
Akiyama, Shigeki; Marsault, Victor; Sakarovitch, Jacques
DISCRETE MATHEMATICS AND THEORETICAL COMPUTER SCIENCE   20(1)    2018   [Refereed]
Akiyama, Shigeki;Attila, Pethoe;Jan-Hendrick, Evertse
Number Theory – Diophantine Problems, Uniform Distribution and Applications   1-24   2017   [Refereed]
Akiyama, Shigeki;Loridant, Benoit
Nagoya Math. J.   226 127-164   2016
As an application of the boundary parametrization developed in our previous papers, we propose a new method to deduce information on the connected components of the interior of tiles. This gives a systematic way to study the topology of a certain ...
Comments on the height reducing property II
Akiyama, Shigeki; Thuswaldner, Joerg M.; Zaimi, Toufik
INDAGATIONES MATHEMATICAE-NEW SERIES   26(1) 28-39   Jan 2015   [Refereed]
Primitive matrices over polynomial semirings
Shigeki,Akiyama;Horst,Brunotte
Linear Algebra and its Applications   436(9) 3568-3596   2012   [Refereed]
Height reducing problem on algebraic integers
Shigeki,Akiyama;Paulius,Drungilas;Jonas,Jankauskas
Functiones et Approximatio   47(1) 105-119   2012   [Refereed]
Browder’s convergence for one-parameter nonexpansive semigroups
Shigeki,Akiyama;Tomonari,Suzuki
Canadian Mathematical Bulletin   55(1) 15-25   2012   [Refereed]
A note on aperiodic Ammann tiles
Shigeki, Akiyama
Discrete & Computational Geometry   48 702-710   2012   [Refereed]
Akiyama, Shigeki;Komornik, Vilmos
JOURNAL OF NUMBER THEORY   133(2) 375-390   Feb 2013   [Refereed]
Akiyama, Shigeki;Petho, Attila
NONLINEARITY   26(3) 871-880   Mar 2013   [Refereed]

Books etc

 
Numeration and Substitution 2012., RIMS Kôkyûroku Bessatsu
秋山,茂樹;Valerie,Berthe;Hui,Rao;Takao,Komatsu (Part:Editor)
京都大学数理解析研究所   Jun 2014   
Summer School on Uniform Distribution, Papers from the school held in Kyoto, August 23–25, 2010., RIMS Kôkyûroku Bessatsu
秋山, 茂樹 (Part:Editor)
京都大学数理解析研究所   2012   

Conference Activities & Talks

 
On nearly recursive sequences [Invited]
Akiyama,Shigeki
Number Theory and Applications   14 Oct 2017   
On Corona Limits [Invited]
秋山, 茂樹
Spectral Structures and Topological Methods in Mathematical Quasicrystals   2 Oct 2017   
Beta expansion and its extension [Invited]
秋山, 茂樹
Workshop on substitutions and tiling spaces (Vienna)   25 Sep 2017   
Nearly recursive sequences [Invited]
秋山, 茂樹
Number Theory and Dynamics   19 Jun 2017   
Around discretized rotation [Invited]
秋山,茂樹
Numeration 2017 (Rome)   5 Jun 2017   

Research Grants & Projects

 
Number Theory and Self-inducing structure
Project Year: Jan 1998   
Aperiodic Order
Project Year: Apr 2005   
Analytic number theory
Project Year: Apr 1989 - Apr 1989