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A projection property for buildings

โœ Scribed by Herbert Abels


Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
528 KB
Volume
192
Category
Article
ISSN
0012-365X

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โœฆ Synopsis


An object X of a category is said to have the projection property if the only idempotent morphisms f : X x X + X are the projections. Here a morphism f : X x X + X is called idempotent if f 0 d = id for the diagonal map A :X --+ X x X.


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