It is shown that the categories of $R$-coalgebras for a commutative unital ring $R$ and the category of $A$-corings for some $R$-algebra $A$ as well as their respective categories of comodules are locally presentable.
@article{108017, author = {Hans-Eberhard Porst}, title = {On corings and comodules}, journal = {Archivum Mathematicum}, volume = {042}, year = {2006}, pages = {419-425}, zbl = {1152.16030}, mrnumber = {2283022}, language = {en}, url = {http://dml.mathdoc.fr/item/108017} }
Porst, Hans-Eberhard. On corings and comodules. Archivum Mathematicum, Tome 042 (2006) pp. 419-425. http://gdmltest.u-ga.fr/item/108017/
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