The performance of underground excavations is inevitably influenced by rock mass characteristics, presence of joints and......

在解析几何中有二次曲线与直线位置关系的讨论、二次曲面与直线位置关系的讨论，而二次曲面与平面相关位置关系的探讨较少．本文给出二......

The shear components of strain tensors for matrix and twin crystal of (?)winned martensite wereroughly opposite after ca......

We describe a new active-set, cutting-plane Constraint Optimal Selection Technique (COST) for solving general linear pro......

In this paper, we use the moving planes method to prove that the domain Ω and the solution u are Steiner symmetric if u......

In this paper, we are concerned with a positive solution of the non-homogeneous A-Laplacian equation in an open bounded ......