Titlebook: Algebra and Coalgebra in Computer Science; 4th International Co Andrea Corradini,Bartek Klin,Corina Cîrstea Conference proceedings 2011 Spr

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A Counterexample to Tensorability of Effectsoutput, or continuations. One of their advantages is that they allow for a modular treatment of effects, using composition operators such as sum and tensor. Here, the sum represents the non-interacting combination of effects, while the tensor imposes a high degree of interaction in the shape of a co

深陷

The Microcosm Principle and Compositionality of GSOS-Based Component Calculiof behaviors—yielding a behavior, where behaviors are identified with states of the final coalgebra—were observed to form an instance of the .. The microcosm principle, a term by Baez and Dolan, refers to the general phenomenon of nested algebraic structures such as a monoid in a monoidal category.

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https://doi.org/10.1007/978-3-322-89179-2Systems of equations over .-continuous semirings can be mapped to context-free grammars in a natural way. We show how an analysis of the derivation trees of the grammar yields new algorithms for approximating and even computing exactly the least solution of the system.

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https://doi.org/10.1007/978-3-662-26470-6We define Boolean algebras over nominal sets with a function symbol И mirroring the И ‘fresh name’ quantifier (Banonas), and dual notions of nominal topology and Stone space. We prove a representation theorem over fields of nominal sets, and extend this to a Stone duality.