| 临界情形下发展方程的周期解 |
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| 引用本文： | 李永祥. 临界情形下发展方程的周期解[J]. 西北师范大学学报(自然科学版), 1990, 0(2): 1-8 |
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| 作者姓名： | 李永祥 |
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| 作者单位： | 西北师范大学数学系 |
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| 摘 要： | 讨论抽象发展方程 u'(t)+A(t)u(t)=g(t,u(t))的周期解存在问题,所得结果推广了〔6,7,8〕的结论.这些结果应用于抛物型周期边值问题,得出若干新结果。
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| 关 键 词： | 发展方程 周期解 抛物型 边值问题 |
Periodic Solutions of Evolution Equation.in Critical.Case |
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| Li Yongxiang. Periodic Solutions of Evolution Equation.in Critical.Case[J]. Journal of Northwest Normal University Natural Science (Bimonthly), 1990, 0(2): 1-8 |
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| Authors: | Li Yongxiang |
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| Affiliation: | Department of Mathmatics |
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| Abstract: | In this paper,periodic solutions of the evolution equation u'(t)+A(t)u(t)= g(t,u(t))are dealt with.Some new theorems extend some results of[6,7,8], By applying these theorems to parabolic partial differential equations,some new periodic solution results are obtained. |
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| Keywords: | evolution equation Sobolevskii condition evolution system analytic semigroup mild solution parabolic boundary value problems |
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