In mathematics, the Fejér kernel is a summability kernel used to express the effect of Cesàro summation on Fourier series. It is a non-negative kernel, giving rise to an approximate identity. It is named after the Hungarian mathematician Lipót Fejér (1880–1959).
"}{"type":"standard","title":"Georges Meylan","displaytitle":"Georges Meylan","namespace":{"id":0,"text":""},"wikibase_item":"Q52004069","titles":{"canonical":"Georges_Meylan","normalized":"Georges Meylan","display":"Georges Meylan"},"pageid":55704256,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Georges_Meylan.jpg/330px-Georges_Meylan.jpg","width":320,"height":213},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/e/e5/Georges_Meylan.jpg","width":1400,"height":933},"lang":"en","dir":"ltr","revision":"1251885036","tid":"cf90c7e6-8d70-11ef-be6c-60acc39b7ac9","timestamp":"2024-10-18T16:48:33Z","description":"Swiss astronomer","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Georges_Meylan","revisions":"https://en.wikipedia.org/wiki/Georges_Meylan?action=history","edit":"https://en.wikipedia.org/wiki/Georges_Meylan?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Georges_Meylan"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Georges_Meylan","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Georges_Meylan","edit":"https://en.m.wikipedia.org/wiki/Georges_Meylan?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Georges_Meylan"}},"extract":"Georges Meylan is a Swiss astronomer, born on July 31, 1950, in Lausanne, Switzerland. He was the director of the Laboratory of Astrophysics of the \nSwiss Federal Institute of Technology (EPFL)\nin Lausanne, Switzerland, and now a professor emeritus of astrophysics and cosmology at EPFL. He is still active in both research and teaching.","extract_html":"
Georges Meylan is a Swiss astronomer, born on July 31, 1950, in Lausanne, Switzerland. He was the director of the Laboratory of Astrophysics of the \nSwiss Federal Institute of Technology (EPFL)\nin Lausanne, Switzerland, and now a professor emeritus of astrophysics and cosmology at EPFL. He is still active in both research and teaching.
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