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Meaning of Ramanujan graph | Babel Free

Noun CEFR B2

Definitions

A regular graph whose spectral gap is almost as large as possible, making it an excellent spectral expander. Such graphs are relevant to diverse branches of pure mathematics.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Ramanujan prime Ramanujan summation Ramanujan theta function Ramanujan-Hardy number Ramanujan-Petersson conjecture Ramanujan's constant

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