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IANDC
2010
107views more  IANDC 2010»
13 years 2 months ago
Equational properties of iterative monads
Iterative monads of Calvin Elgot were introduced to treat the semantics of recursive equations purely algebraically. They are Lawvere theories with the property that all ideal sys...
Jirí Adámek, Stefan Milius, Jiri Vel...
IANDC
2010
102views more  IANDC 2010»
13 years 3 months ago
Presenting functors on many-sorted varieties and applications
This paper studies several applications of the notion of a presentation of a functor by operations and equations. We show that the technically straightforward generalisation of th...
Alexander Kurz, Daniela Petrisan
IANDC
2010
84views more  IANDC 2010»
13 years 3 months ago
Modules over monads and initial semantics
Inspired by the classical theory of modules over a monoid, we introduce the natural notion of module over a monad. The associated notion of morphism of left modules (”linear” n...
André Hirschowitz, Marco Maggesi
IANDC
2010
79views more  IANDC 2010»
13 years 3 months ago
Complexity of deciding bisimilarity between normed BPA and normed BPP
We present a polynomial-time algorithm deciding bisimilarity between a normed BPA process and a normed BPP process, with running time O(n7 ). This improves the previously known ex...
Petr Jancar, Martin Kot, Zdenek Sawa
IANDC
2010
121views more  IANDC 2010»
13 years 2 months ago
Curry-Howard for incomplete first-order logic derivations using one-and-a-half level terms
The Curry-Howard correspondence connects derivations in natural deduction with the lambdacalculus. Predicates are types, derivations are terms. This supports reasoning from assump...
Murdoch James Gabbay, Dominic P. Mulligan