本文研究了Hilbert空间H上正则射影对的性质和结构,证明了酉算子V与正交射影对(P,Q)交织(i.e.,VP=QV,PV=VQ)的充分必要条件是dim(R......

In this paper,we give a metheod to obtain genus of the torus knot by some regular projection of the torus knot and have ......

该文研究Hilbert空间H上正则射影对（P,Q）的性质和结构,给出H上有界线性算子A表示为两个正交射影乘积的充分必要条件.......

研究了Hilbert空间H上正则射影对的性质和结构,以此作为工具,讨论了正则射影对的乘积的性质和它的谱的性质,并且证明了正则射影对(......