$G=PU(1,d)$ $G=⟨g_1^{},\&ldots;,g_n^{}⟩\subset G$ $G_t^{}=⟨g_{1,t}^{},\&ldots;,g_{n,t}^{}⟩$ $g_{j,t}^{}$ $t\in [0,1]$ $G_t^{}$ ${\phi }_t^{}:G_0^{}\&to;G_t^{}$ ${\Psi }_t^{}ˆf$ ${\phi }_t^{}(g)ˆ{\Psi }_t^{}={\Psi }_t^{}ˆg$