Benharrat, Mohammed; Messirdi, Bekkai
(Rendiconti del Circolo Matematico di Palermo, 2013-08-01)
In Kaufman (Proc Amer Math Soc 72: 531–534, 1978) proved that the function defined by maps the set $$\fancyscript{C}_{0}(H)$$ of all pure contractions one-to-one onto the set $$\fancyscript{C}(H)$$ of all closed and densely ...