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ACS
2015

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10 years 2 days ago

We make explicit a larger structural phenomenon hidden behind the existence of normalizers in terms of existence of certain cartesian maps related to the kernel functor.

Dominique Bourn, James Richard Andrew Gray

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111

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ACS
2015

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An Alternative Description of Braided Monoidal Categories

10 years 2 days ago

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Alexei Davydov, Ingo Runkel

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97

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ACS
2015

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Homological Localisation of Model Categories

10 years 2 days ago

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One of the most useful methods for studying the stable homotopy category is localising at some spectrum E. For an arbitrary stable model category we introduce a candidate for the E...

David Barnes, Constanze Roitzheim

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85

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ACS
2015

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More on Subfitness and Fitness

10 years 2 days ago

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: The concepts of ﬁtness and subﬁtness (as deﬁned in Isbell [9]) are useful separation properties in point-free topology. The categorical behaviour of subﬁtness is bad and ...

Jorge Picado, Ales Pultr

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86

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ACS
2015

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On Algebraic and More General Categories Whose Split Epimorphisms Have Underlying Product Projections

10 years 2 days ago

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We characterize those varieties of universal algebras where every split epimorphism considered as a map of sets is a product projection. In addition we obtain new characterization...

James Richard Andrew Gray, N. Martins-Ferreira

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