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LICS
2009
IEEE
15 years 9 months ago
Pointer Programs and Undirected Reachability
Pointer programs are a model of structured computation within logspace. They capture the common description of logspace algorithms as programs that take as input some structured d...
Martin Hofmann, Ulrich Schöpp
130
Voted
LICS
2009
IEEE
15 years 9 months ago
Indexed Containers
The search for an expressive calculus of datatypes in which canonical algorithms can be easily written and proven correct has proved to be an enduring challenge to the theoretical ...
Thorsten Altenkirch, Peter Morris
112
Voted
LICS
2009
IEEE
15 years 9 months ago
Logics with Rank Operators
—We introduce extensions of first-order logic (FO) and fixed-point logic (FP) with operators that compute the rank of a definable matrix. These operators are generalizations o...
Anuj Dawar, Martin Grohe, Bjarki Holm, Bastian Lau...
131
Voted
LICS
2009
IEEE
15 years 9 months ago
An Improved Lower Bound for the Complementation of Rabin Automata
Automata on infinite words (ω-automata) have wide applications in formal language theory as well as in modeling and verifying reactive systems. Complementation of ωautomata is ...
Yang Cai, Ting Zhang, Haifeng Luo
TPHOL
2009
IEEE
15 years 9 months ago
Formal Analysis of Optical Waveguides in HOL
Optical systems are becoming increasingly important as they tend to resolve many bottlenecks in the present age communications and electronics. Some common examples include their u...
Osman Hasan, Sanaz Khan Afshar, Sofiène Tah...