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Linear and Multilinear Algebra Volume 60, 2012 - Issue 11-12: Special Issue in memory of Professor Ky Fan
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Original Articles

Noncircular elliptic discs as numerical ranges of nilpotent operators

Hwa-Long Gau Department of Mathematics, National Central University, Chung-Li 320, TaiwanCorrespondence[email protected]
&
Pei Yuan Wu Department of Applied Mathematics, National Chiao Tung University, Hsinchu 300, Taiwan
Pages 1225-1233 | Received 14 Jun 2011, Accepted 02 Aug 2011, Published online: 14 Oct 2011

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