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不包含{4,5,7}圈的平面图是3-可染的延拓性定理
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作者 方冬云 《长春工业大学学报》 CAS 2015年第4期470-472,共3页
根据每个不包含{4,5,6,7}-圈的平面图是3-可染的性质,证明不包含{4,5,7}-圈的平面图中不含分离的6-圈、不含内部的6-面及|f0|≠6,从而证明了不包含{4,5,7}-圈的平面图是3-可染的延拓性定理。
关键词 平面图 分离圈 延拓性定理
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Existence of Solutions for Second Order Three-Point Boundary Value Problems with Nonlinear Growth 被引量:2
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作者 ZHANGHui-xing LIUWen-bin ZHANGJian-jun CHENTai-yong 《Journal of China University of Mining and Technology》 EI 2005年第2期163-166,共4页
The existence of solutions for second order three-point boundary value problems with nonlinear growth at resonance is studied by using Mawhin continuation theorem. The result shows that theorem 1 and 2 at least have o... The existence of solutions for second order three-point boundary value problems with nonlinear growth at resonance is studied by using Mawhin continuation theorem. The result shows that theorem 1 and 2 at least have one solution in c1[0,1] 展开更多
关键词 three-point boundary value problems RESONANCE mawhin continuation theorem.
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