| ON THE ESSENTIAL SPECTRUM OF PSEUDODIFFERENTIAL OPERATORS （Ⅱ） |
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| 作者姓名： | Fan Qihong |
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| 作者单位： | Institute＆DepartmentofMathematics,BeijingUnversity,Beijing100071,China |
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| 摘 要： | This paper coutinues the studies of the essential spectrum of nonsemi-bounded pseudodifferential operators. The author improves the results in 5] in some sense. For the relativistic Schrodinger operator,√(-Δ+m^2)+v(x),complete results are obtained.
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| 关 键 词： | 本质谱 伪微分算子 施荣丁格尔算子 范函分析 |
| 收稿时间： | 1992/3/10 0:00:00 |
| 修稿时间： | 1992/9/12 0:00:00 |
ON THE ESSENTIAL SPECTRUM OF PSEUDODIFFERENTIAL OPERATORS (II) |
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| Fan Qihong.ON THE ESSENTIAL SPECTRUM OF PSEUDODIFFERENTIAL OPERATORS (II)[J].Chinese Annals of Mathematics,Series B,1994,15(3):327-334. |
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| Authors: | Fan Qihong |
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| Institution: | Institute & Department of Mathematics, Beijing Unversity,
Beijing 100071, China. |
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| Abstract: | This paper continues the studies of the essential
spectrum of nonsemi-bounded pseudodifferential operators. The
author improves the results in 5] in some sense. For the relativistic
Schr\"odinger operator, $\sqrt {-\Delta+m^2}+v(x)$, complete results
are obtained. |
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| Keywords: | Essential spectrum Pseudodifferential operator Schr\"odinger operator |
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