29 search results - page 6 / 6 » Another proof of Soittola's theorem |
SIAMDM
2008
13 years 4 months ago
2008
Robertson and Seymour (1990) proved that graphs of bounded tree-width are well-quasi-ordered by the graph minor relation. By extending their arguments, Geelen, Gerards, and Whittle...
ENTCS
2008
13 years 4 months ago
2008
We formalize higher-order separation logic for a first-order imperative language with procedures and local variables in Isabelle/HOLCF. The assertion language is modeled in such a...
SIAMCOMP
2008
13 years 4 months ago
2008
Leslie Valiant recently proposed a theory of holographic algorithms. These novel algorithms achieve exponential speed-ups for certain computational problems compared to naive algo...
APAL
2007
13 years 5 months ago
2007
A logic is developed in which function symbols are allowed to represent partial functions. It has the usual rules of logic (in the form of a sequent calculus) except that the subs...