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arXiv 0907.1359math.CT
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关于伪单胞菌和伪分配律的形式理论

On the formal theory of pseudomonads and pseudodistributive laws

Nicola Gambino, Gabriele Lobbia

摘要:

我们有助于pseudomonads的形式理论,即模拟pseudomonads的形式理论的单子。特别地,我们解决了Steve Lack提出的一个问题,证明了对于每个Gray-范畴K,存在一个Gray-范畴Psm(K),它由K中的伪单胞体、伪单胞体态射、伪单胞体变换和伪单胞体修改组成。然后,我们建立了Psm(K)和由Marmolejo引入的伪单胞菌的灰色范畴之间的三等价。最后,应用这些结果给出了伪分配律的相干条件。41页欢迎评论。

英文摘要:

We contribute to the formal theory of pseudomonads, i.e. the analogue for pseudomonads of the formal theory of monads. In particular, we solve a problem posed by Steve Lack by proving that, for every Gray-category K, there is a Gray-category Psm(K) of pseudomonads, pseudomonad morphisms, pseudomonad transformations and pseudomonad modifications in K. We then establish a triequivalence between Psm(K) and the Gray-category of pseudomonads introduced by Marmolejo. Finally, these results are applied to give a clear account of the coherence conditions for pseudodistributive laws. 41 pages. Comments welcome.

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