Talk:Direct sum of topological groups

Article is profoundly lacking
Article is fine as far as it goes.

But it doesn't go nearly far enough, since it fails to explain how to define the direct sum of an arbitrary family of groups. 2601:200:C000:1A0:8D79:7D53:D787:7700 (talk) 03:19, 21 April 2021 (UTC)