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when toggle format what by license comment
May 13, 2020 at 0:46 comment added Chris H Edited, I don’t believe $P$ is necessarily graded, since it can have saturated chains of different lengths. However if you know this setup in the graded case, I would be interested.
May 13, 2020 at 0:40 history edited Chris H CC BY-SA 4.0
More explanation of rank function
May 12, 2020 at 14:36 comment added Sam Hopkins What does a "multiplicative rank function" mean? (Relatedly: is $P$ graded?)
May 12, 2020 at 10:18 history asked Chris H CC BY-SA 4.0