Set constraints are a useful formalism for verifying properties of programs. Usually, they are interpreted over the universe of finite terms. However, some logic languages allow i...
There is an increasing interest in the shuffle product on formal languages, mainly because it is a standard tool for modeling process algebras. It still remains a mysterious opera...
Jean Berstel, Luc Boasson, Olivier Carton, Jean-Er...
We show how to achieve typed and unambiguous declarative pattern matching on strings using regular expressions extended with a simple recording operator. We give a characterizatio...
: With any Petri net we associated its CPN language which consists of all sequences of transitions which reach a marking with an empty place whereas all proper prefixes of the sequ...