反序严格上下解
strict upper and lower solutions with reverse orde
较严格上界
rather restricted upper bound
严格上三角方阵
strictly upper triangular matrix
严格上三角矩阵
strictly upper triangular matrix
严格上三角矩阵代数
strictly upper triangular matrix algebra
严格上三角矩阵李代数
strictly upper triangular matrices Lie algebra
严格下凹曲线
strict lower concave curves
严格下三角矩阵
strictly lower triangular matrix
严格下凸曲线
strict lower convex curves
L-拟上下解
L-quasi-upper and lower solution
L-quasi upper and lower solutions
quasi-upper and lower solutions
L-拟上下解对
L-quasi-upper and solutions
L-quasi-upper and lower solutions