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Questions about how specific notions have to be understood as well as conventions of notation.
16
votes
What is the meaning of $O(m+n)$?
Part 1
I'm going to do something I decided I wouldn't do: try to nutshell my research on this topic. I'll go over on how the algorithmic O-notation must be defined, why it is probably not what you've …
11
votes
What is the meaning of $O(m+n)$?
In the terminology of preorders, an O-set $O_X(F)$ is a down-set of the underlying preorder. …