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TCS
2008
13 years 4 months ago
On the structure of graphs in the Caucal hierarchy
We investigate the structure of graphs in the Caucal hierarchy. We provide criteria concerning the degree of vertices or the length of paths which can be used to show that a given ...
Achim Blumensath
FOSSACS
2007
Springer
13 years 10 months ago
Symbolic Backwards-Reachability Analysis for Higher-Order Pushdown Systems
Higher-order pushdown systems (PDSs) generalise pushdown systems through the use of higher-order stacks, that is, a nested “stack of stacks” structure. These systems may be us...
Matthew Hague, C.-H. Luke Ong