This book offers an account of a number of aspects of Operator theory, mainly developed since the 1980s, whose Problems have their roots in Quantum theory.
The research presented is in non-commutative Operator approximation Theory or, to use Halmos\' terminology, in Operator approximants..
This book offers an account of a number of aspects of Operator theory, mainly developed since the 1980s, whose Problems have their roots in Quantum theory