Talk:Fejér kernel
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Could someon clarify: what norm are used for when Vorval 0 (talk) 11:35, 29 September 2011 (UTC)
![{\displaystyle \|F_{n}*f\|_{L^{p}([-\pi ,\pi ])}\leq \|f\|_{L^{p}([-\pi ,\pi ])}}](https://wikimedia.riteme.site/api/rest_v1/media/math/render/svg/c31328c14ab3f4d6ce74b77efca4e3465dd1c4e9)
I think what is meant is — Preceding unsigned comment added by 129.2.129.30 (talk) 06:14, 30 November 2011 (UTC)
![{\displaystyle f\in \mathbf {C} \cap L^{p}([-\pi ,\pi ]).}](https://wikimedia.riteme.site/api/rest_v1/media/math/render/svg/f869a4b357408011f4f2e9b763b9bfedd897f185)
In this article, the definition of Dirichlet kernel does not have a factor of while it does in the linked article. Also the definition of convolution used here does have it, but it doesn't in its own article. So which one is it? — Preceding unsigned comment added by 103.226.144.115 (talk) 15:08, 22 December 2020 (UTC)
