一类无界算子的二次数值域和谱
The Quadratic Numerical Range and the Spectrum of Some Unbounded Block Operator Matrices
一类无界算子的二次数值域和谱 |
| 邱汶汶,齐雅茹 |
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The Quadratic Numerical Range and the Spectrum of Some Unbounded Block Operator Matrices |
| Wenwen Qiu,Yaru Qi |
| 图 1 定理3.1 (ⅰ) |
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