An Infinite Prime Sequence Can Be Generated in Real-Time by a 1-Bit Inter-cell Communication Cellular Automaton. - Hiroshi Umeo; Naoki Kamikawa (Developments in Language Theory, 2002)

A Design of Real-Time Non-Regular Sequence Generation Algorithms and Their Implementations on Cellular Automata with 1-Bit Inter-Cell Communications. - Hiroshi Umeo; Naoki Kamikawa (Fundam. Informaticae, 2002)

Efficient 1-Bit-Communication Cellular Algorithms. - Hiroshi Umeo; Koshi Michisaka; Naoki Kamikawa; Yuichi Kinugasa (HPSC, 2003)

A Synchronization Problem on 1-Bit Communication Cellular Automata. - Hiroshi Umeo; Koshi Michisaka; Naoki Kamikawa (International Conference on Computational Science, 2003)

Real-Time Generation of Primes by a 1-Bit-Communication Cellular Automaton. - Hiroshi Umeo; Naoki Kamikawa (Fundam. Informaticae, 2003)

About 4-States Solutions to the Firing Squad Synchronization Problem. - Hiroshi Umeo; Jean-Baptiste Yunès; Naoki Kamikawa (ACRI, 2008)

A family of smallest symmetrical four-state firing squad synchronization protocols for one-dimensional ring cellular automata. - Hiroshi Umeo; Naoki Kamikawa; Jean-Baptiste Yunès (Automata, 2008)

A Note on Sequence Generation Power of Communication-Restricted Cellular Automata with Small Number of States. - Naoki Kamikawa; Hiroshi Umeo (PDPTA, 2008)

A Transition Rule Set for the First 2-D Optimum-Time Synchronization Algorithm. - Hiroshi Umeo; Kaori Ishida; Koutarou Tachibana; Naoki Kamikawa (IWNC, 2009)

A Family of Smallest Symmetrical Four-State Firing Squad Synchronization Protocols for Ring Arrays. - Hiroshi Umeo; Naoki Kamikawa; Jean-Baptiste Yunès (Parallel Process. Lett., 2009)

A construction of five-state real-time Fibonacci sequence generator. - Naoki Kamikawa; Hiroshi Umeo (Artif. Life Robotics, 2016)

A New Class of the Smallest Four-State Partial FSSP Solutions for One-Dimensional Ring Cellular Automata. - Hiroshi Umeo; Naoki Kamikawa (PaCT, 2017)

Implementations of FSSP Algorithms on Fault-Tolerant Cellular Arrays. - Hiroshi Umeo; Naoki Kamikawa; Masashi Maeda; Gen Fujita (ACRI, 2018)

A Smaller-State Implementation of Real-Time Sequence Generator for {n^3 | n= 1, 2, 3, ...}. - Naoki Kamikawa; Hiroshi Umeo (CANDAR Workshops, 2018)

The Smallest FSSP Partial Solutions for One-Dimensional Ring Cellular Automata: Symmetric and Asymmetric Synchronizers. - Hiroshi Umeo; Naoki Kamikawa; Gen Fujita (ICTAC, 2018)

A Construction of Real-Time Sequence Generation Algorithm for {n4 | n = 1, 2, 3, ...}. - Naoki Kamikawa; Hiroshi Umeo (CANDAR Workshops, 2019)

Two Implementations of Real-Time Sequence Generator for {n^3 | n=1, 2, 3, ... } and Their Comparison. - Naoki Kamikawa; Hiroshi Umeo (Int. J. Netw. Comput., 2019)

State-efficient realization of fault-tolerant FSSP algorithms. - Hiroshi Umeo; Naoki Kamikawa; Masashi Maeda; Gen Fujita (Nat. Comput., 2019)

A construction of simple and smaller-state real-time generator for exponential sequences. - Naoki Kamikawa; Hiroshi Umeo (Artif. Life Robotics, 2020)

A Realization of Real-time Sequence Generator for k-th Powers of Natural Numbers by One-Dimensional Cellular Automata. - Naoki Kamikawa; Hiroshi Umeo (Int. J. Netw. Comput., 2020)

A new class of the smallest FSSP partial solutions for 1D rings of length n=2k-1. - Hiroshi Umeo; Naoki Kamikawa; Gen Fujita (Acta Informatica, 2021)

A New Class of the Smallest 4-State Semi-symmetric FSSP Partial Solutions for 1D Arrays. - Hiroshi Umeo; Naoki Kamikawa; Gen Fujita (ACRI, 2024)

A Class of the Smallest 4-State FSSP Partial Solutions for Rings - A Survey. - Hiroshi Umeo; Naoki Kamikawa; Gen Fujita (Advances in Cellular Automata - Volume 1: Theory (1), 2025)