Omega function
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In mathematics, omega function refers to a function using the Greek letter omega, written ω or Ω.
(big omega) may refer to:
- The lower bound in Big O notation, , meaning that the function dominates in some limit
- The prime omega function , giving the total number of prime factors of , counting them with their multiplicity.
- The Lambert W function , the inverse of , also denoted .
- Absolute infinity
(omega) may refer to:
- The Wright omega function , related to the Lambert W Function
- The Pearson–Cunningham function
- The prime omega function , giving the number of distinct prime factors of .