Omega
Omega () is the last letter of the Greek alphabet. In ring theory, omega is a constant the represents .
Omega ring
- Main article: Omega ring
The omega ring is the ring containing . It has the interesting property that whenever one item in the ring is taken to any power, another item in the ring is the result.
Other uses
- Omega is the smallest ordinal with cardinality Aleph null and the smallest infinite ordinal.