The common structure of the curves having a same Gauss word -- Logical theory of the additive monoid of subsets of natural integers -- Some reflections on mathematics and its relation to computer Science -- Sampling a Two-way Finite Automaton -- Constructing reversible Turing machines by reversible logic element with memory -- The Grossone methodology perspective on Turing machines -- On Parallel Array P Systems -- Computational models based on splicing -- Linear Cellular Automata and Decidability -- Algorithms with Active Cells Modeled by Cellular Automata with Write-Access (CA-w) -- Broadcasting automata and patterns on Z2 -- Real-Time Prime Generators Implemented on Small-State Cellular Automata -- Phyllosilicate Automata.