Sciweavers

2 search results - page 1 / 1
» Structure Theorem and Strict Alternation Hierarchy for FO2 o...
Sort
View
51
Voted
CSL
2007
Springer
15 years 3 months ago
Structure Theorem and Strict Alternation Hierarchy for FO2 on Words
Philipp Weis, Neil Immerman
DLT
2010
14 years 11 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