1) concave-convex curve
凸凹曲线
2) Curve convexity and concavity
曲线凸凹性
3) the equation of convex?concave curvilinear
凹凸曲线方程
4) cima recta
上凹下凸的曲线
5) concavo-convex surface
凹凸曲面
6) convex and concave nonlinearities
凹凸非线性
1.
In this paper we consider the existence of positive solutions and multiple solutions (possible not positive) of the semilinear elliptic equation with convex and concave nonlinearities, and critical Sobolev exponent.
本文考虑具有凹凸非线性和临界Sobolev指数的半线性椭圆方程的正解和多重解（可能非正）的存在性。
补充资料：凸凹
1.犹凹凸。高低不平。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条