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arXiv 0810.4450math.CTmath.AT
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高阶范畴的同态

Homomorphisms of higher categories

Richard Garner

摘要:

我们描述了一个建设,每个代数指定的概念,高维范畴关联的概念同态保留的范畴结构,只有弱可逆的高细胞。结构是这样的,这些同态承认一个严格的结合和unital组成。我们给出了这种构造的两个应用。第一是三大类;这里我们没有得到Gordon,Power和Street定义的三同态,而只是得到了在适当意义上等价的东西。第二个是Batanin的弱欧米茄类别。

英文摘要:

We describe a construction that to each algebraically specified notion of higher-dimensional category associates a notion of homomorphism which preserves the categorical structure only up to weakly invertible higher cells. The construction is such that these homomorphisms admit a strictly associative and unital composition. We give two applications of this construction. The first is to tricategories; and here we do not obtain the trihomomorphisms defined by Gordon, Power and Street, but only something equivalent in a suitable sense. The second is to Batanin's weak omega-categories.

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