This is a preview. Log in through your library . Abstract We characterize spectral properties of operator cosine functions in Banach spaces in terms of the Césaro summability of two series associated ...
We introduce the cosine-type approximation processes in abstract Banach space setting. The historical roots of these processes go back to W. W. Rogosinski in 1926. The given new definitions use a ...
This program converts a sampled real sequence stored in a disk file to a harmonically related set of cosine waveforms To view the program, click Download the Code at the bottom of the page.. The ...