This class of problems usually describes the deformations of elastic beams with both fixed points.

这类问题通常描述两端固定的弹性梁的形变。

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Applying fixed points theorem, we give the sufficient conditions of the existence of positive ergodic solutions for a class of infinite nonlinear integral equations.

利用不动点理论，给出了一类非线性积分方程正的遍历解存在的充分条件。

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The maximal and minimal fixed points theorems for a class of T monotone operators in abstract spaces are proved, and some well known results are improved.

证明了抽象空间中一类T 单调算子的最大、最小不动点定理，改进了已知文献的结果。

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