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ITA
2007
15 years 4 months ago
Recursive coalgebras of finitary functors
Abstract For finitary set functors preserving inverse images several concepts of coalgebras A are proved to be equivalent: (i) A has a homomorphism into the initial algebra, (ii) ...
Jirí Adámek, Dominik Lücke, Ste...
FPLE
1995
15 years 8 months ago
Explaining Algebraic Theory with Functional Programs
Abstract. A hierarchy of six important structures from abstract algebra (groups, rings, fields etc.) is introduced as Gofer class definitions and laws about them. Many instance d...
Jeroen Fokker
CORR
2007
Springer
151views Education» more  CORR 2007»
15 years 4 months ago
The algebraicity of the lambda-calculus
Abstract. We propose a new definition for abstract syntax (with binding constructions), and, accordingly, for initial semantics and algebraicity. Our definition is based on the n...
André Hirschowitz, Marco Maggesi
APLAS
2007
ACM
15 years 8 months ago
Adjunct Elimination in Context Logic for Trees
Abstract. We study adjunct-elimination results for Context Logic applied to trees, following previous results by Lozes for Separation Logic and Ambient Logic. In fact, it is not po...
Cristiano Calcagno, Thomas Dinsdale-Young, Philipp...
LPAR
2005
Springer
15 years 10 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...