The resurgence of radical and populist parties has stimulated renewed discussions about the resilience parliamentary democracy in Europe. This work contributes to this debate by analysing extent which positive parliamentarism, prime minister’s dissolution powers, government’s power table votes confidence majority requirements for no serve as ‘shock absorbers’ moderating effect ideological polar...

The technique of determining a generating function for an unambiguous context-free language is known as the Schützenberger methodology. For regular languages, Elena Barcucci et al. proposed an approach for inverting this methodology based on Soittola’s theorem. This idea allows a combinatorial interpretation (by means of a regular language) of certain positive integer sequences that are defined...

It was never the object of patent laws to grant a monopoly for every trifling device, every shadow of a shade of an idea, which would naturally and spontaneously occur to any skilled mechanic or operator in the ordinary progress of manufactures. Such an indiscriminate creation of exclusive privileges tends rather to obstruct than to stimulate invention. It creates a class of speculative schemer...