From Citizendium, the Citizens' Compendium
(Redirected from Tau)
- Tau (Greek letter) : The 19th letter of the Greek alphabet, written as (upper-case) and (lower-case).
- Tau function : An arithmetic function studied by Ramanjuan, the coefficients of the q-series expansion of the modular form Delta.
- Number of divisors function : The number of positive integer divisors of a given number.