On the convergence almost everywhere of Fourier series with respect to orthonormal systems of Franklin type. (Russian) Zbl 0507.42012
MSC:
| 42C15 | General harmonic expansions, frames |
| 42A20 | Convergence and absolute convergence of Fourier and trigonometric series |
| 43A46 | Special sets (thin sets, Kronecker sets, Helson sets, Ditkin sets, Sidon sets, etc.) |
| 42C10 | Fourier series in special orthogonal functions (Legendre polynomials, Walsh functions, etc.) |
