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ALGORITHMICA
2002
121views more  ALGORITHMICA 2002»
13 years 9 months ago
Sharp Quantum versus Classical Query Complexity Separations
We obtain the strongest separation between quantum and classical query complexity known to date--specifically, we define a black-box problem that requires exponentially many querie...
J. Niel de Beaudrap, Richard Cleve, John Watrous
JSC
2011
74views more  JSC 2011»
13 years 4 months ago
Constructive homomorphisms for classical groups
Let Ω ≤ GLd(q) be a quasisimple classical group in its natural representation and let ∆ = NGLd(q)(Ω). We construct the projection from ∆ to ∆/Ω and provide fast, poly...
Scott H. Murray, Colva M. Roney-Dougal
BIRTHDAY
2005
Springer
14 years 3 months ago
Compiled Labelled Deductive Systems for Access Control
This paper proposes a Compiled Labelled Deductive System, called ACCLDS, for reasoning about role-based access control in distributed systems, which builds upon Massacci’s tablea...
Krysia Broda, Alessandra Russo
ENTCS
2007
96views more  ENTCS 2007»
13 years 9 months ago
Deduction, Strategies, and Rewriting
Automated deduction methods should be specified not procedurally, but declaratively, as inference systems which are proved correct regardless of implementation details. Then, di...
Steven Eker, Narciso Martí-Oliet, Jos&eacut...
APAL
2010
98views more  APAL 2010»
13 years 10 months ago
Classical proof forestry
Classical proof forests are a proof formalism for first-order classical logic based on Herbrand's Theorem and backtracking games in the style of Coquand. First described by M...
Willem Heijltjes