Special classes of Hilbert-space operators

[410/57%]

Subtopics

Partial isometries[132/52%]
Commutators of operators[122/63%]
Shift operators[57/58%]
Polar decomposition of Hilbert-space operators[54/41%]
Spectrum, adjoint and norm of concrete shift operators[37/41%]
Cyclic vectors and cyclic operators[36/50%]
Quasinormal, subnormal and hyponormal operators[22/100%]
Characterizing and testing partial isometries[21/48%]
Dilations and unitary dilations of operators[20/85%]
Commutants of operators[17/35%]
Numerical range and numerical radius of operators[14/86%]
Weighted shift operators[12/92%]
Toeplitz and Laurent operators[10/100%]
Absolute value of an operator[3/33%]
Similarity to contractions and shift models[3/100%]
Toeplitz Operators and the Gohberg-Krein Index Theorem[2/0%]
Von Neumann inequality[1/100%]
Identifying and classifying Toeplitz and Hankel matrices