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arXiv 1207.2113math.CTmath.ATmath.RA
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同伦范畴复形Brown表示的对偶

The dual of Brown representability for homotopy categories of complexes

George Ciprian Modoi

摘要:

我们称加法范畴的乘积生成元为满足每隔一个对象是它的拷贝的乘积的直因子性质的固定对象.本文从一个包含乘积和象的加法范畴,例如模范畴出发,研究包含该加法范畴的元素的复形的同伦范畴.证明了布朗表示定理对同伦范畴的对偶成立当且仅当初始可加范畴有乘积生成元。

英文摘要:

We call product generator of an additive category a fixed object satisfying the property that every other object is a direct factor of a product of copies of it. In this paper we start with an additive category with products and images, e.g. a module category, and we are concerned with the homotopy category of complexes with entries in that additive category. We prove that Brown representability theorem is valid for the dual of the homotopy category if and only if the initial additive category has a product generator.

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