Riemann function

Riemann function may refer to one of the several functions named after the mathematician Bernhard Riemann, including:

• Riemann zeta function
• Thomae's function, also called the Riemann function
• Riemann theta function,
• Riemann's R, an approximation of the prime-counting function π(x), see Prime-counting function#Exact form.
• Almost nowhere differentiable Riemann function, on which the Weierstrass function has been based on.

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