We consider the multiplication operators on 𝓗𝓔 (the space of functions of finite energy supported on an infinite network), characterize them in terms of positive semidefinite functions. We show why ...

KUNYU GUO, HANSONG HUANG, ON MULTIPLICATION OPERATORS ON THE BERGMAN SPACE: SIMILARITY, UNITARY EQUIVALENCE AND REDUCING SUBSPACES, Journal of Operator Theory, Vol. 65, No. 2 (Spring 2011), pp.

The matrix multiplication infix operator (*) produces a new matrix by performing matrix multiplication. The first matrix must have the same number of columns as the second matrix has rows.