Re:Big O Notation: Using not-boring math to measure code's e...
by ephemeralgomi on Friday September 19, 2014 @09:30PM
(#8343380)
Big O is an upper bound, little o is a lower bound. Big theta means both an upper and lower bound.
Theta is the notation for a single case, be it the worst case, the best case, one run of a randomized algo, etc.
At least that is my understanding.