Eta Function

In mathematics, eta function may refer to:

  • The Dirichlet eta function η(s), a Dirichlet series
  • The Dedekind eta function η(τ), a modular form
  • The eta function η(s) used to define the eta invariant

Famous quotes containing the word function:

    “The uses of travel are occasional, and short; but the best fruit it finds, when it finds it, is conversation; and this is a main function of life.”
    —Ralph Waldo Emerson (1803–1882)