Author： Enochs Edgar E. López-Ramos J. A.
Publisher： Springer Publishing Company
ISSN： 0236-5294
Source： Acta Mathematica Hungarica, Vol.104, Iss.4, 2004-01, pp. : 331-343
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract
We study classes of relative injective and projective comodules and extend well-known results about projective comodules given in [7]. The existence of covers and envelopes by these classes of comodules is also studied and used to characterize the projective dimension of a coalgebra. We also compare this homological coalgebra with the very intensively studied homological algebra of the dual algebra (see [5]).
Related content
Relative homological groups over coherent rings
By Mao Lixin
Quaestiones Mathematicae, Vol. 35, Iss. 3, 2012-09 ,pp. :
Access to resources
Recommend
Jordan (Super)Coalgebras and Lie (Super)Coalgebras
Siberian Mathematical Journal, Vol. 44, Iss. 1, 2003-01 ,pp. :
On the wedge product and coprime coalgebras
By Wijayanti I.
Journal of Mathematical Sciences, Vol. 142, Iss. 2, 2007-04 ,pp. :
Cofree coalgebras over operads
By Smith J.R.
Topology and its Applications, Vol. 133, Iss. 2, 2003-09 ,pp. :
Coalgebras and Bialgebras in Combinatorics
STUDIES IN APPLIED MATHEMATICS, Vol. 61, Iss. 2, 1979-10 ,pp. :