Bull. Korean Math. Soc. 2016; 53(2): 551-559
Printed March 31, 2016
https://doi.org/10.4134/BKMS.2016.53.2.551
Copyright © The Korean Mathematical Society.
Yanping Liu, Zhongkui Liu, and Xiaoyan Yang
Northwest Normal University, Northwest Normal University, Northwest Normal University
Recently a construction of local cohomology functors for compactly generated triangulated categories admitting small coproducts is introduced and studied by Benson, Iyengar, Krause, Asadollahi and their coauthors. Following their idea, we introduce the depth of objects in such triangulated categories and get that when $(R,\mathfrak{m})$ is a graded-commutative Noetherian local ring, the depth of every cohomologically bounded and cohomologically finite object is not larger than its dimension.
Keywords: triangulated category, depth, dimension
MSC numbers: 18E30, 13C15
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