JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2020, Vol. 55 ›› Issue (8): 48-53.doi: 10.6040/j.issn.1671-9352.0.2019.912

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Ki-group of t-structure of triangulated category

ZHENG Min1,2, CHEN Qing-hua1*   

  1. 1. College of Mathematics and Informatics, Fujian Normal University, Fuzhou 350108, Fujian, China;
    2. Department of Mathematics and Physics, Fujian Jiangxia University, Fuzhou 350108, Fujian, China
  • Published:2020-07-14

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Abstract: Based on the properties of t-structure of a triangulated category, the paper discusses the relationship between the Ki-groups of t- structure of the triangulated category and Ki-groups of the triangulated category. Moreover, if t-structure is stable, it is shown that Ki- group of triangulated category is isomorphic to the direct sum of Ki- groups of t- structure.

Key words: triangulated category, t- structure, Ki- group

CLC Number: 

  • O154.1
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