The uniqueness of integrals
作者:
Dragoş Ştefan,
期刊:
Communications in Algebra
(Taylor Available online 1995)
卷期:
Volume 23,
issue 5
页码: 1657-1662
ISSN:0092-7872
年代: 1995
DOI:10.1080/00927879508825302
出版商: Marcel Dekker, Inc.
数据来源: Taylor
摘要:
Let C be a coalgebra and let M be a right C-comodule. In this article we investigate the dimension of the space f of comodule morphisms from C to M. Our main result (Theorem 4) states that dim(∫M)≤dim(M), for every left co-Frobeuius coalgebra (with some additional properties) and for every finite dimensional right comodule M. In particular, taking M = ki we obtain
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