A set of maximum degree to which all other degrees of recursively enumerable sets can be many-one reduced. If set is many-one complete, then it is one-one complete, and vice versa.
Many-One Complete
See also
One-One Complete, Recursively Enumerable Set, ReducibleExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Many-One Complete." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Many-OneComplete.html