Sciweavers

ICALP
2000
Springer
14 years 3 months ago
On the Power of Tree-Walking Automata
Abstract. Tree-walking automata (TWAs) recently received new attention in the fields of formal languages and databases. Towards a better understanding of their expressiveness, we c...
Frank Neven, Thomas Schwentick
FMCAD
2000
Springer
14 years 3 months ago
B2M: A Semantic Based Tool for BLIF Hardware Descriptions
BLIF is a hardware description language designed for the hierarchical description of sequential circuits. We give a denotational semantics for BLIF-MV, a popular dialect of BLIF, t...
David A. Basin, Stefan Friedrich, Sebastian Mö...
CSL
2006
Springer
14 years 3 months ago
Decidable Theories of the Ordering of Natural Numbers with Unary Predicates
Abstract. Expansions of the natural number ordering by unary predicates are studied, using logics which in expressive power are located between first-order and monadic second-order...
Alexander Moshe Rabinovich, Wolfgang Thomas
CSL
2007
Springer
14 years 3 months ago
MSO on the Infinite Binary Tree: Choice and Order
We give a new proof showing that it is not possible to define in monadic second-order logic (MSO) a choice function on the infinite binary tree. This result was first obtained by G...
Arnaud Carayol, Christof Löding
WG
1998
Springer
14 years 3 months ago
Linear Time Solvable Optimization Problems on Graphs of Bounded Clique Width
Hierarchical decompositions of graphs are interesting for algorithmic purposes. There are several types of hierarchical decompositions. Tree decompositions are the best known ones....
Bruno Courcelle, Johann A. Makowsky, Udi Rotics
LICS
1998
IEEE
14 years 3 months ago
Existential Second-Order Logic over Strings
d abstract) T. Eiter G. Gottlob Y. Gurevich Institut fur Informatik Institut fur Informationssysteme EECS Department Universitat Gie en Technische Universitat Wien University of Mi...
Thomas Eiter, Georg Gottlob, Yuri Gurevich
CSL
2003
Springer
14 years 4 months ago
Comparing the Succinctness of Monadic Query Languages over Finite Trees
Abstract. We study the succinctness of monadic second-order logic and a variety of monadic fixed point logics on trees. All these languages are known to have the same expressive p...
Martin Grohe, Nicole Schweikardt
LICS
2003
IEEE
14 years 4 months ago
Model-checking Trace Event Structures
Given a regular collection of Mazurkiewicz traces, which can be seen as the behaviours of a finite-state concurrent system, one can associate with it a canonical regular event st...
P. Madhusudan
CONCUR
2004
Springer
14 years 4 months ago
Message-Passing Automata Are Expressively Equivalent to EMSO Logic
Abstract. We study the expressiveness of finite message-passing automata with a priori unbounded FIFO channels and show them to capture exactly the class of MSC languages that are...
Benedikt Bollig, Martin Leucker
FCT
2005
Springer
14 years 5 months ago
On the Expressiveness of Asynchronous Cellular Automata
We show that a slightly extended version of asynchronous cellular automata, relative to any class of pomsets and dags without autoconcurrency, has the same expressive power as the ...
Benedikt Bollig