Representation of functions by exponentials with positive frequencies
Abstract
Some new aspects are studied for the following general problem: what spectra of frequencies enable one to represent an arbitrary function as a series in the corresponding harmonics. Of particular interest is the `analytic' situation in which only positive frequencies are used.
- Publication:
-
Russian Mathematical Surveys
- Pub Date:
- February 2004
- DOI:
- 10.1070/RM2004v059n01ABEH000707
- Bibcode:
- 2004RuMaS..59..171O