2 papers
math.KT2013
Special precovers and preenvelopes of complexes
Zhanping Wang, Zhongkui Liu
The notion of an complex (for a given class of -modules ) was introduced by Gillespie: a complex is called complex if is exact a…
math.AC2013
Ding projective dimension of complexes
Zhanping Wang, Zhongkui Liu
In this paper, we define and study a notion of Ding projective dimension for complexes of left modules over associative rings. In particular, we consider the class of homologically…