您要查找的是不是：
- Schur凹函数Schur concave function
- Schur凹性Schur-concavity
- 对数凹函数Log-concave function
- 弱拟凹函数weakly quasiconcave function
- 显B-预不变凹函数explicitly B- preincave function
- 积性凹函数multiplicative concave function
- 关于凸凹函数的定义On the Definition of Convex-Concave Functions
- Schur补Schur complement
- Schur余Schur complement
- 拟凹函数的若干特征性质Some Characteristic Properties of Quasiconcave Function
- 次Schur补Sub-Schur complement
- Schur定理Schur theorem
- 双曲线函数之余弦hyperbolic cosine.
- Schur乘积Schur product
- 弱有效集上凹函数极大问题的分枝定界算法A branch and bound algorithm for solving maximizing a concave function over weakly-efficient
- Schur稳定Schur stability
- Schur-余Schur complement
- 凹进去的caved in
- 对角schur补diagonally schur complement
- 凹部dish
