| 1. | Positive semi-definite matrices are positive definite if and only if they are nonsingular .
正半定矩阵是正定的，当且仅当它们是非奇异矩阵。 |
| 2. | Generalized positive definite matrices and its property
广义正定矩阵及其性质 |
| 3. | Estimates for eigenvalues of positive definite operators in l2 spaces
的本征值估计 |
| 4. | The classification of positive definite unimodular lattices over
上正定幺模格的分类 |
| 5. | Estimates for eigenvalues of positive definite operators in l
的本征值估计 |
| 6. | Further researches on generalized positive definite matrices
广义正定矩阵的进一步研究 |
| 7. | Some notes on the positive definite problem of a binary n - form
次型正定问题的若干注记 |
| 8. | Properties of positive definite complex matrix
关于正定复矩阵的一些性质 |
| 9. | On the classification of positive definite unimodular lattices over z
上的正定幺模格的分类 |
| 10. | The research on positive definite complex matrix
半正定复矩阵的研究 |
