Research output: Contribution to journal › Article › peer-review
A sharp inequality in the space l2 which is analogous to Jackson-Chernykh inequality in the space L2 is established. The best rms approximations by integer functions of the exponential type were used. The obtained results can be used in the L2-approximation of periodic functions by trigonometric polynomials.
| Original language | English |
|---|---|
| Pages (from-to) | 3-8 |
| Number of pages | 6 |
| Journal | Vestnik Sankt-Peterburgskogo Universiteta. Ser 1. Matematika Mekhanika Astronomiya |
| Issue number | 3 |
| State | Published - 2003 |
ID: 101356843