An Explicit Ladder of Homotopy Categories
Huanhuan Li
Chinese Annals of Mathematics, Series B ›› 2020, Vol. 41 ›› Issue (2) : 209 -226.
An Explicit Ladder of Homotopy Categories
For an upper triangular matrix ring, an explicit ladder of height 2 of triangle functors between homotopy categories is constructed. Under certain conditions, the author obtains a localization sequence of homotopy categories of acyclic complexes of injective modules.
Triangular matrix ring / Homotopy category / Recollememt
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