Small omega notation
Small omega notation represents the lower bound of the runtime of an algorithm; the runtime will be strictly greater than small omega. It is the base case complexity of an algorithm. 1
Ω(g(n)) = { f(n): there exist positive constants c and n0
such that 0 ≤ cg(n) ≤ f(n) for all n ≥ n0 }

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https://www.programiz.com/dsa/asymptotic-notations ↩