Sciweavers

DLT
2010
13 years 6 months ago
On the Average Number of States of Partial Derivative Automata
The partial derivative automaton (Apd) is usually smaller than other non-deterministic finite automata constructed from a regular expression, and it can be seen as a quotient of th...
Sabine Broda, António Machiavelo, Nelma Mor...
DLT
2010
13 years 6 months ago
Periodicity in Tilings
Emmanuel Jeandel, Pascal Vanier
DLT
2010
13 years 6 months ago
Around Dot Depth Two
It is known that the languages definable by formulae of the logics FO2[<,S], 2[<,S], LTL[F,P,X,Y] are exactly the variety DAD. Automata for this class are not known, nor is i...
Kamal Lodaya, Paritosh K. Pandya, Simoni S. Shah