Results 21 to 30 of about 43,821 (313)
An Introduction to Formal Languages and Automata [PDF]
Ken Moody
openaire +3 more sources
L-FLAT: Logtalk Toolkit for Formal Languages and Automata Theory
We describe L-FLAT, a Logtalk Toolkit for teaching Formal Languages and Automata Theory. L-FLAT supports the definition of \textsl{alphabets}, the definition of \textsl{orders} over alphabet symbols, the partial definition of \textsl{languages} using unit tests, and the definition of \textsl{mechanisms}, which implement language generators or language ...
Moura, Paulo, Dias, Artur Miguel
openaire +4 more sources
Experimental Design of Formal Language and Automata Course [PDF]
Qing he Pan
openaire +3 more sources
Automata and Formal Languages for Next Generation Sequencing Data
Gianluca Della Vedova, Paola Bonizzoni
openaire +3 more sources
Rational stochastic automata in formal language theory [PDF]
Paavo Turakainen
openaire +3 more sources
Crisp-determinization of weighted tree automata over strong bimonoids [PDF]
We consider weighted tree automata (wta) over strong bimonoids and their initial algebra semantics and their run semantics. There are wta for which these semantics are different; however, for bottom-up deterministic wta and for wta over semirings, the ...
Zoltán Fülöp+2 more
doaj +1 more source
Locality and Centrality: The Variety ZG [PDF]
We study the variety ZG of monoids where the elements that belong to a group are central, i.e., commute with all other elements. We show that ZG is local, that is, the semidirect product ZG * D of ZG by definite semigroups is equal to LZG, the variety of
Antoine Amarilli, Charles Paperman
doaj +1 more source
A model of actors and grey failures [PDF]
Existing models for the analysis of concurrent processes tend to focus on fail-stop failures, where processes are either working or permanently stopped, and their state (working/stopped) is known.
Laura Bocchi+3 more
doaj +1 more source
Separation for dot-depth two [PDF]
The dot-depth hierarchy of Brzozowski and Cohen classifies the star-free languages of finite words. By a theorem of McNaughton and Papert, these are also the first-order definable languages.
Thomas Place, Marc Zeitoun
doaj +1 more source
Minimization of visibly pushdown automata is NP-complete [PDF]
We show that the minimization of visibly pushdown automata is NP-complete. This result is obtained by introducing immersions, that recognize multiple languages (over a usual, non-visible alphabet) using a common deterministic transition graph, such that ...
Olivier Gauwin+2 more
doaj +1 more source