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Ramanujan's sum

noun

Definitions

  1. A function, usually denoted c_q(n), of two positive integer variables q and n, defined by…

    A function, usually denoted c_q(n), of two positive integer variables q and n, defined by the formula c_q(n)=∑_(1<a≤q atop (a,q)=1)e^(2πi tfrac aqn),, where (a, q) = 1 means that a only takes on values coprime to q. It is used in the proof of Vinogradov's theorem.

The neighborhood

Vish — recursive loop

No curated loop yet for Ramanujan's sum. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA