Fun example: empty colimit does not commute with empty limit
2026NotesBogdan Zavyalov
Why the definition of a filtered category insists on non-emptiness: the empty colimit fails to commute with the empty limit, and that is the only failure.
0
31
Objects and the arrows between them, which turns constructions repeated across mathematics into one statement.
Personne n'a encore indiqué cette catégorie parmi ses centres d'intérêt.
Ajoutez-la à vos intérêts et vous apparaîtrez ici.
2026·Notes·Bogdan Zavyalov