A note on orthonormal series
Tóm tắt
Theorems are proved on the strong summability of orthonormal series and an error in a recent paper of Sunouchi is corrected.
Từ khóa
Tài liệu tham khảo
G. Sunouchi,On the strong summability of orthogonal series, Acta Sci. Math.,27 (1966) pp. 71–76.