Fourier multiplier
= Fourier multiplier
{title2=$m(\xi)$}
A Fourier multiplier is a function $m$ on frequency space used to define an operator by multiplication after taking a <Fourier transform>.
= Fourier multiplier
{title2=$m(\xi)$}
A Fourier multiplier is a function $m$ on frequency space used to define an operator by multiplication after taking a <Fourier transform>.