您要查找的是不是：
- Szàsz算子Szasz operator
- 算子operator
- 卜算子Song Of Divination
- δ算子δ-operator
- "或非" 算子NOR operator
- 谱算子spectral operator
- 流形上的偏微分算子partial differential operator on manifold
- Ｍ－生长算子M-accretive operator
- 伴算子adjoint operator
- 闭包算子closure operator
- 非线性算子nonlinear operator
- 算子的换位commutant of an operator
- 阿贝尔射影算子Abelian projection operator
- 埃尔米特算子hermitian operator
- 伴随算子adjoint operator
- 半定算子semidefinite operator
- 保范算子unitary operator
- 保守算子conservation operator
- 闭算子closed operator
- 不定算子indefinite operator
