In this note we return to some problems of general orthogonal series examined most intensively at the fifties. We show that the monotonicity conditions in four fundamental theorems of K. Tandori can be replaced by weaker assumptions.
|Number of pages||6|
|Journal||Acta Scientiarum Mathematicarum|
|Publication status||Published - Dec 1 2011|
- Orthogonal series
ASJC Scopus subject areas
- Applied Mathematics