Triangulated Structures Induced by Triangle Functors

Given a triangle functor F : A → B , the authors introduce the half image hIm F , which is an additive category closely related to F . If F is full or faithful, then hIm F admits a natural triangulated structure. However, in general, one can not expect that hIm F has a natural triangulated structure...

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Veröffentlicht in:Chinese annals of mathematics. Serie B 2019, Vol.40 (1), p.55-64
Hauptverfasser: Zhao, Zhibing, Du, Xianneng, Bao, Yanhong
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Du, Xianneng
Bao, Yanhong
description Given a triangle functor F : A → B , the authors introduce the half image hIm F , which is an additive category closely related to F . If F is full or faithful, then hIm F admits a natural triangulated structure. However, in general, one can not expect that hIm F has a natural triangulated structure. The aim of this paper is to prove that hIm F admits a natural triangulated structure if and only if F satisfies the condition (SM). If this is the case, hIm F is triangle-equivalent to the Verdier quotient A /Ker F .
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subjects Applications of Mathematics
Kerf
Mathematics
Mathematics and Statistics
title Triangulated Structures Induced by Triangle Functors
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