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» The Calculus of Algebraic Constructions
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JSC
2007
79views more  JSC 2007»
15 years 6 months ago
Computation of bases of free modules over the Weyl algebras
A well-known result due to J. T. Stafford asserts that a stably free left module M over the Weyl algebras D = An(k) or Bn(k) − where k is a field of characteristic 0 − with ...
Alban Quadrat, Daniel Robertz
DAGSTUHL
2006
15 years 7 months ago
New Algebraic Tools for Constraint Satisfaction
Abstract. The Galois connection involving polymorphisms and coclones has received a lot of attention in regard to constraint satisfaction problems. However, it fails if we are inte...
Henning Schnoor, Ilka Schnoor
RSA
2008
63views more  RSA 2008»
15 years 5 months ago
On the size of the algebraic difference of two random Cantor sets
In this paper we consider some families of random Cantor sets on the line and investigate the question whether the condition that the sum of Hausdorff dimension is larger than one ...
Michel Dekking, Károly Simon
CADE
2007
Springer
16 years 6 months ago
Bidirectional Decision Procedures for the Intuitionistic Propositional Modal Logic IS4
We present a multi-context focused sequent calculus whose derivations are in bijective correspondence with normal natural deductions in the propositional fragment of the intuitioni...
Samuli Heilala, Brigitte Pientka
FOSSACS
2008
Springer
15 years 7 months ago
Compositional Methods for Information-Hiding
Protocols for information-hiding often use randomized primitives to obfuscate the link between the observables and the information to be protected. The degree of protection provide...
Christelle Braun, Konstantinos Chatzikokolakis, Ca...