 We introduce a new class of volatility operators which map the square integrable noise into the Filipovi \'{c space of forward curves , and we specify a deterministic parametrized version of it.
<meaning-changed>  We introduce a new class of volatility operators which map the square integrable noise into the Filipovi \'{c space of forward curves , and we specify a deterministic parametrized version of it.
 We introduce a new class of state-dependent volatility operators that map the square integrable noise into the Filipovi \'{c space of forward curves , and we specify a deterministic parametrized version of it.