Operators and Matrices · Volume 3, Issue 2 Numerical ranges of restricted shifts and unitary dilations 03-17 Pages 271-281 DOI 10.7153/oam-03-17 Downloads Short PDF Full PDF PNG Authors Isabelle Chalendar Pamela Gorkin Jonathan R. Partington Keywords Blaschke product restricted shift numerical range dilation Poncelet property Subject classes 30D50 47A20 15A60 51N20