This book covers various topics related to direct integral theory, including Borel spaces, direct integral of Hilbert spaces and operators, direct integrals of representations, direct integrals and types of von Neumann algebras, and measures on the quasi-dual representations.

O.A Neilsen

1. Borel Spaces 2. Direct Integrals of Hilbert Spaces and Operators 3. Direct Integrals of Representations 4. Direct Integrals of Von Neumann Algebras 5. Direct Integrals and Types of Von Neumann Algebras 6. Measures and Representations