Talk:Rigidity (mathematics)
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Rigid surjection
[edit]Added a section on the combinatorial use of the word "rigid", i.e. rigid functions/surjections. I think it fits somewhat (that's why I put it in a new section), but I'm open to the idea of moving this into its own article. --Jordan Mitchell Barrett (talk) 04:27, 3 December 2019 (UTC)