- My blog.
- Unanswered question which has abstract algebra or group theory tag.
- SQL syntax to query the unanswered question.
SELECT TOP 10 Id as [Post Link], Tags, CreationDate FROM Posts WHERE AcceptedAnswerId IS NULL AND (Tags LIKE '%abstract-algebra%' OR Tags LIKE '%group-theory%') ORDER BY CreationDate

- A question which was deleted.
- Homomorphism between finite abelian group. the form of subgroup, endomorphism to its subgroup, explict.