Unitary

An operator satisfying

			(1)
			(2)

where is the adjoint.

See also

Explore with Wolfram|Alpha

More things to try:

References

Sakurai, J. J. Modern Quantum Mechanics. Menlo Park, CA: Benjamin/Cummings, 1985.

Referenced on Wolfram|Alpha

Cite this as:

Weisstein, Eric W. "Unitary." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Unitary.html

Subject classifications