H Square

H Square

In mathematics and control theory, H2, or H-square is a Hardy space with square norm. It is a subspace of L2 space, and is thus a Hilbert space. In particular, it is a reproducing kernel Hilbert space.

Read more about H Square:  On The Unit Circle, On The Half-plane, See Also

Famous quotes containing the word square:

    I would say it was the coffin of a midget
    Or a square baby
    Were there not such a din in it.
    Sylvia Plath (1932–1963)