@article{Guven_2020, title={Approximation on the regular hexagon}, volume={49}, url={https://ictp.acad.ro/jnaat/journal/article/view/1229}, DOI={10.33993/jnaat492-1229}, abstractNote={<div class="page" title="Page 1"> <div class="layoutArea"> <div class="column"> <p>The degree of trigonometric approximation of continuous functions, which are periodic with respect to the hexagon lattice, is estimated in uniform and Hölder norms.</p> <p>Approximating trigonometric polynomials are matrix means of hexagonal Fourier series.</p> </div> </div> </div>}, number={2}, journal={J. Numer. Anal. Approx. Theory}, author={Guven, Ali}, year={2020}, month={Dec.}, pages={138–154} }