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arXiv 1109.2883math.CTmath.AT
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Monoidal代数模型结构

Monoidal algebraic model structures

Emily Riehl

摘要:

扩展以前的工作,我们定义monoidal代数模型结构,并给出例子。主要的结构组成部分是我们所说的代数奎伦双变量的附加;主要的技术工作是发展必要的范畴论来描述它们。我们的研究揭示了“细胞性”所起的重要作用--广义地说,共纤维化的性质是一种相对的胞腔复形,而不仅仅是这种复形的收缩--我们特别强调这一点。一个主要的结果是一个简单的标准,它表明,代数Quillen两个变量的arctions精确地对应于细胞结构的推出产品的生成(平凡)cofibrations。作为推论,我们发现,熟悉的monoidal模型结构的范畴和单纯集承认这个额外的代数结构。

英文摘要:

Extending previous work, we define monoidal algebraic model structures and give examples. The main structural component is what we call an algebraic Quillen two-variable adjunction; the principal technical work is to develop the category theory necessary to characterize them. Our investigations reveal an important role played by "cellularity" - loosely, the property of a cofibration being a relative cell complex, not simply a retract of such - which we particularly emphasize. A main result is a simple criterion which shows that algebraic Quillen two-variable adjunctions correspond precisely to cell structures on the pushout-products of generating (trivial) cofibrations. As a corollary, we discover that the familiar monoidal model structures on categories and simplicial sets admit this extra algebraic structure.

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