Linear and Multilinear Algebra. 2012;60(11-12):1225-1233. doi: 10.1080/03081087.2011.611945 Q21.02025
Noncircular elliptic discs as numerical ranges of nilpotent operators
幂零算子的数值范围中的非圆椭圆盘
DOI: 10.1080/03081087.2011.611945
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Linear and Multilinear Algebra. 2012;60(11-12):1225-1233. doi: 10.1080/03081087.2011.611945 Q21.02025
DOI: 10.1080/03081087.2011.611945
摘要 查看摘要