@article{crouzeix:hal-01260082,
TITLE = {SOME CONSTANTS RELATED TO NUMERICAL RANGES},
AUTHOR = {Crouzeix, Michel},
URL = {https://hal.science/hal-01260082},
JOURNAL = {SIAM Journal on Matrix Analysis and Applications},
HAL_LOCAL_REFERENCE = {2016-07},
PUBLISHER = {Society for Industrial and Applied Mathematics},
VOLUME = {37},
NUMBER = {1},
PAGES = {420-442},
YEAR = {2016},
KEYWORDS = {47A25 ; 47A12 ; numerical range ; spectral set ; 47A63 ; completely bounded AMS subject classifications 15A60},
PDF = {https://hal.science/hal-01260082/file/NumConst4.pdf},
HAL_ID = {hal-01260082},
HAL_VERSION = {v1},
}