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» A Methodology for Equational Reasoning
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LICS
2002
IEEE
14 years 2 months ago
Remarks on Isomorphisms in Typed Lambda Calculi with Empty and Sum Types
Tarski asked whether the arithmetic identities taught in high school are complete for showing all arithmetic equations valid for the natural numbers. The answer to this question f...
Marcelo P. Fiore, Roberto Di Cosmo, Vincent Balat
CSL
2007
Springer
14 years 1 months ago
Lambda Theories of Effective Lambda Models
Abstract. A longstanding open problem is whether there exists a nonsyntactical model of the untyped -calculus whose theory is exactly the least -theory . In this paper we investiga...
Chantal Berline, Giulio Manzonetto, Antonino Salib...
CSL
2010
Springer
13 years 10 months ago
Quantified Differential Dynamic Logic for Distributed Hybrid Systems
Abstract. We address a fundamental mismatch between the combinations of dynamics that occur in complex physical systems and the limited kinds of dynamics supported in analysis. Mod...
André Platzer
LPAR
2005
Springer
14 years 2 months ago
Algebraic Intruder Deductions
Abstract. Many security protocols fundamentally depend on the algebraic properties of cryptographic operators. It is however difficult to handle these properties when formally anal...
David A. Basin, Sebastian Mödersheim, Luca Vi...
PAKDD
2005
ACM
164views Data Mining» more  PAKDD 2005»
14 years 2 months ago
Covariance and PCA for Categorical Variables
Covariances from categorical variables are defined using a regular simplex expression for categories. The method follows the variance definition by Gini, and it gives the covaria...
Hirotaka Niitsuma, Takashi Okada