Johan Kopra

According to our database, Johan Kopra authored at least 10 papers between 2017 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

Rapid left expansivity, a commonality between Wolfram's Rule 30 and powers of <i>p</i>/<i>q</i>.

Johan Kopra

Theor. Comput. Sci., February, 2023

2021

On the trace subshifts of fractional multiplication automata.

Johan Kopra

Theor. Comput. Sci., 2021

On computing the Lyapunov exponents of reversible cellular automata.

Johan Kopra

Nat. Comput., 2021

On the Interplay of Direct Topological Factorizations and Cellular Automata Dynamics on Beta-Shifts.

Johan Kopra

Int. J. Found. Comput. Sci., 2021

Sofically presented dynamical systems.

Johan Kopra, Ville Salo

CoRR, 2021

2020

Glider automorphisms and a finitary Ryan's theorem for transitive subshifts of finite type.

Johan Kopra

Nat. Comput., 2020

Dynamics of Cellular Automata on Beta-Shifts and Direct Topological Factorizations.

Johan Kopra

Proceedings of the Developments in Language Theory - 24th International Conference, 2020

2019

The Lyapunov Exponents of Reversible Cellular Automata Are Uncomputable.

Johan Kopra

Proceedings of the Unconventional Computation and Natural Computation, 2019

2018

Glider Automorphisms on Some Shifts of Finite Type and a Finitary Ryan's Theorem.

Johan Kopra

Proceedings of the Cellular Automata and Discrete Complex Systems, 2018

2017

Cellular automata and powers of <i>p</i>∕<i>q</i>.

Jarkko Kari, Johan Kopra

RAIRO Theor. Informatics Appl., 2017