no code implementations • 16 Oct 2021 • Maurice Margenstern
In the present paper, we construct what we call a pedagogical universal Turing machine.
no code implementations • 8 Feb 2021 • Maurice Margenstern
In this paper, we prove that there is a strongly universal cellular automaton on the heptagrid with seven states which is rotation invariant.
Discrete Mathematics 68R05 F.2.2
no code implementations • 21 Aug 2013 • Maurice Margenstern, Lan Wu
In this paper, we investigate the possibility to use two tilings of the hyperbolic plane as basic frame for devising a way to input texts in Chinese characters into messages of cellphones, smartphones, ipads and tablets.
