Motivated by work of Yu.L. Shmul'yan a pre-order and an equivalence relation on the set of operator-valued Schur class functions are introduced and the behavior of Redheffer linear fractional ...

Ergodic Equivalence Relations, Cohomology, and Von Neumann Algebras. I Jacob Feldman and Calvin C. Moore Transactions of the American Mathematical Society , pp. 289-324 (36 pages) ...

CBSE Class 12th Relations and Functions Revision Notes: View and download here the revision notes of CBSE Class 12 Maths Chapter 1 Relations and Functions in PDF format.