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Separating Vector


Given a subalgebra A of the algebra B(H) of bounded linear transformations from a Hilbert space H onto itself, the vector v in H is a separating vector for A if the only operator A in A satisfying Av=0 is the zero operator A=0.


See also

Functional Analysis, Hilbert Space, Separable Space

This entry contributed by Christopher Stover

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References

Conway, J. B. A Course in Functional Analysis, 2nd ed. New York: Springer-Verlag, 1997.

Cite this as:

Stover, Christopher. "Separating Vector." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/SeparatingVector.html

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