منابع مشابه
>hot_strings SIG<
Many fascinating new developments in the area bowed stringed instruments have been developed in recent years. However, the majority of these new applications are either not well known, used or considered in a broader context by their target users. The necessary exchange between the world of developers and the players is rather limited. A group of performers, researchers, instrument developers a...
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Institutions were introduced by Goguen and Burstall 8, 9, 10, 11] to formally capture the notion of logical system. Interpreting institutions as functors, and morphisms and representations of institutions as natural transformations, we give elegant proofs for the completeness of the categories of institutions with morphisms and representations, respectively, show that the duality between morphi...
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We describe a new extension of the Todd–Coxeter algorithm adapted to computing left Kan extensions. The algorithm is a much simplified version of that introduced by Carmody and Walters (Category Theory, Proceedings of the International Conference Held in Como, Italy, 22–28 July 1990. Springer) in 1991. The simplification allows us to give a straightforward proof of its correctness and terminati...
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An existing procedure to compute left Kan extensions over the ground category Set also computes left Kan extensions over the ground categories Cat, 2-Cat, n-Cat for any n and indeed !-Cat. Therefore extension data struc-tured in this manner already can make use of the left Kan extension notion of a best possible approximation. Examples include systems of labeled transition systems and certain h...
متن کاملKan Extensions of Institutions
Institutions were introduced by Goguen and Burstall [GB84, GB85, GB86, GB92] to formally capture the notion of logical system. Interpreting institutions as functors, and morphisms and representations of institutions as natural transformations, we give elegant proofs for the completeness of the categories of institutions with morphisms and representations, respectively, show that the duality bet...
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ژورنال
عنوان ژورنال: Dansk Biblioteksforskning
سال: 2009
ISSN: 1901-1040,1604-7869
DOI: 10.7146/danbibfor.v5i2/3.97455