# ON A DECOMPOSITION OF MINIMAL COISOMETRIC EXTENSIONS

• Park, Kun-Wook (Department of Mathematics, College of Natural Science, Kyungpook National University, Taegu 702-701)
• Published : 1994.10.01
• 32 2

#### Abstract

Let $H$ be a separable, infinite dimensional, complex Hilbert space and let $L(H)$ be the algebra of all bounded linear operator on $H$. A dual algebra is a subalgebra of $L(H)$ that contains the identity operator $I_H$ and is closed in the ultraweak operator topology on $L(H)$.