The extensions of t-structures
- Resource Type
- Working Paper
- Authors
- Chen, Xiao-Wu; Lin, Zengqiang; Zhou, Yu
- Source
- Subject
- Mathematics - Representation Theory
Mathematics - Rings and Algebras
18G80, 18G20, 16E60
- Language
We reformulate a result of Bernhard Keller on extensions of $t$-structures and give a detailed proof. In the study of hereditary $t$-structures, the notions of regular $t$-structures and global dimensions arise naturally.
Comment: 14 pages. Any comments are welcome