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Why, in functional analysis, is so important to calculate best constant in an embedding inequality?
Cross-posted from "http"https://math.stackexchange.com/questions/727690/understanding-reasons-for-best-constant-in-inequalities".
Cross-posted from "http://math.stackexchange.com/questions/727690/understanding-reasons-for-best-constant-in-inequalities".
Cross-posted from "https://math.stackexchange.com/questions/727690/understanding-reasons-for-best-constant-in-inequalities".