In this paper, by using generalized R-KKM type theorems in topological Spaces, some existence theorems of solutions for equilibrium problem with lower and upper bounds are obtained.
应用拓扑空间中的广义r - KK M型定理，对拓扑空间中有上下界的平衡问题，证明了解的存在性定理。
In this paper we discussed the existence and uniqueness theorems for third-order boundary value problems, using the method of upper and lower solutions.
本文利用上、下解方法证明了两类三阶边值问题解的存在性和唯一性。
By constructing proper upper-lower solutions, the existence of travelling wave solutions was proved.
通过构造适当的上下解，证明行波解的存在性。
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