Hua Su, Baohe Wang, Zhongli Wei
Abstract: Submitted May 10, 2006. Published July 19, 2006.
Math Subject Classifications: 34B18.
Key Words: Time scales; four-point boundary-value problems;
cone; fixed points; positive solutions
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Hua Su School of Mathematics and System Sciences Shandong University Jinan Shandong, 250100, China email: jnsuhua@163.com |
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Baohe Wang Shandong Administration Institute Jinan Shandong, 250014, China |
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Zhongli Wei School of Mathematics and System Sciences Shandong University Jinan Shandong, 250100, China email: jnwzl@yahoo.com.cn |
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