This paper deals with the existence of two positive solutions for critical elliptic equations with a changed sign perturbation and with an auxiliary condition.
讨论了带变号扰动并且具有一定附加条件的临界椭圆方程的两个正解存在性。
2
The stability allowance of elliptic bearing and three oil wedge under the design parameter and operating condition in middle and light loading area is discussed.
讨论了在设计参数及运行条件下椭圆轴承和三油楔轴承在中、轻载区的稳定性裕度。
3
By means of the variational approach, in a condition weaker than(AR) the existence of infinitely many solutions of fourth-order elliptic equation is discussed.