Timeline for Is every monomorphism of commutative Hopf algebras (over a field) injective?
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| Feb 1, 2010 at 2:00 | comment | added | Mariano Suárez-Álvarez | Ah. In fact, the paper also proves that an epi in the category of finite groups is surjective too. I had completely forgotten about that... | |
| Feb 1, 2010 at 1:42 | comment | added | Mariano Suárez-Álvarez | The last claim in your frst paragraph is happening in the category of finite groups? For the whole category, one has [C. E. Linderholm. A Group Epimorphism is Surjective. The American Mathematical Monthly, Vol. 77, No. 2 (Feb., 1970), pp. 176-177.] | |
| Jan 31, 2010 at 23:28 | history | edited | Ben Webster♦ | CC BY-SA 2.5 |
added 14 characters in body
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| Jan 31, 2010 at 23:22 | history | answered | Ben Webster♦ | CC BY-SA 2.5 |