JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2021, Vol. 56 ›› Issue (8): 81-85.doi: 10.6040/j.issn.1671-9352.0.2020.709

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Strongly Gorenstein projective objects in comma categories

CHEN Mei-hui, LIANG Li*   

  1. School of Mathematics and Physics, Lanzhou Jiaotong University, Lanzhou 730070, Gansu, China
  • Online:2021-08-20 Published:2021-08-09

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Abstract: Introduce the comma category(F,B )and give an equivalent characterization of strongly Gorenstein projective objects in(F,B )in terms of strongly Gorenstein projective objects in A and B.

Key words: comma category, strongly Gorenstein projective object, Abelian category

CLC Number: 

  • O154.2
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