Talk:Graded structure

Hope I got it right
I hope I got this right — I was picking up details as I went, and there was quite a bit of it. PJTraill (talk) 00:58, 4 February 2014 (UTC)

Bigraded
Does this perhaps mean the same as doubly graded? PJTraill (talk) 00:58, 4 February 2014 (UTC)