科研之友
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摘要
The k-graphs in the sense of Kumjian and Pask [7] are discrete Conduche fibrations over the monoid N-k, satisfying a finiteness condition. We examine the generalization of this construction to discrete Conduche fibrations with the same finiteness condition and a lifting property for completions of cospans to commutative squares, over any category satisfying a strong version of the right Ore condition, including all categories with pullbacks and right Ore categories in which all morphisms are monic.
- 出版日期2017
