J. Austral. Math. Soc.  72 (2002), 57-66
Convexity of generalized numerical range associated with a compact Lie group

Tin-Yau Tam
  Department of Mathematics
  218 Parker Hall
  Auburn University
  AL 36849-5310
  USA
  tamtiny@auburn.edu


Abstract
Westwick's convexity theorem on the numerical range is generalized in the context of compact connected Lie groups.
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