| THREE CRITICAL POINTS THEOREM AND ITS APPLICATIONS |
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| 作者姓名： | Zhang Shiqing |
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| 作者单位： | Zhang Shiqing |
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| 摘 要： | In this paper, by use of the pseudo-gradient vector field, the three critical points theorem in 2] is extended to the C1 function in the Ba-nach space, and therefore the three critical, points theorem in 5] is strengthened and the existence of the saddle point of the C2 function is discussed.
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| 关 键 词： | pseudo-gradient vector field critical point saddle point |
THREE CRITICAL POINTS THEOREM AND ITS APPLICATIONS |
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| Zhang Shiqing.THREE CRITICAL POINTS THEOREM AND ITS APPLICATIONS[J].Storage & Process,1989(1):105-107. |
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| Authors: | Zhang Shiqing |
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| Institution: | Zhang Shiqing |
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| Abstract: | In this paper, by use of the pseudo-gradient vector field, the three critical points theorem in 2] is extended to the C1 function in the Ba-nach space, and therefore the three critical, points theorem in 5] is strengthened and the existence of the saddle point of the C2 function is discussed. |
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| Keywords: | pseudo-gradient vector field critical point saddle point |
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