Riemann sum

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• Riemann sum — In mathematics, a Riemann sum is a method for approximating the total area underneath a curve on a graph, otherwise known as an integral. It may also be used to define the integration operation. The sums are named after the German mathematician… …   Wikipedia

• Riemann integral — In the branch of mathematics known as real analysis, the Riemann integral, created by Bernhard Riemann, was the first rigorous definition of the integral of a function on an interval. While the Riemann integral is unsuitable for many theoretical… …   Wikipedia

• Riemann zeta function — ζ(s) in the complex plane. The color of a point s encodes the value of ζ(s): dark colors denote values close to zero and hue encodes the value s argument. The white spot at s = 1 is the pole of the zeta function; the black spots on the… …   Wikipedia

• Riemann hypothesis — The real part (red) and imaginary part (blue) of the Riemann zeta function along the critical line Re(s) = 1/2. The first non trivial zeros can be seen at Im(s) = ±14.135, ±21.022 and ±25.011 …   Wikipedia

• Riemann series theorem — In mathematics, the Riemann series theorem (also called the Riemann rearrangement theorem), named after 19th century German mathematician Bernhard Riemann, says that if an infinite series is conditionally convergent, then its terms can be… …   Wikipedia

• Riemann–Roch theorem — In mathematics, specifically in complex analysis and algebraic geometry, the Riemann–Roch theorem is an important tool in the computation of the dimension of the space of meromorphic functions with prescribed zeroes and allowed poles. It relates… …   Wikipedia

• Riemann-Hurwitz formula — In mathematics, the Riemann Hurwitz formula, named after Bernhard Riemann and Adolf Hurwitz, describes the relationship of the Euler characteristics of two surfaces when one is a ramified covering of the other. It therefore connects ramification… …   Wikipedia

• Riemann zeta function — ▪ mathematics       function useful in number theory for investigating properties of prime numbers (prime). Written as ζ(x), it was originally defined as the infinite series ζ(x) = 1 + 2−x + 3−x + 4−x + ⋯. When x = 1, this series is called the… …   Universalium

• Riemann-Stieltjes integral — In mathematics, the Riemann Stieltjes integral is a generalization of the Riemann integral, named after Bernhard Riemann and Thomas Joannes Stieltjes. DefinitionThe Riemann Stieltjes integral of a real valued function f of a real variable with… …   Wikipedia

• Riemann'sche Hypothese — Die riemannsche Vermutung oder riemannsche Hypothese (nach Bernhard Riemann) ist eine Annahme über die Nullstellen der riemannschen Zetafunktion. Sie besagt, dass alle nichttrivialen Nullstellen dieser komplexwertigen Funktion den Realteil ½… …   Deutsch Wikipedia

• Riemann'sche Vermutung — Die riemannsche Vermutung oder riemannsche Hypothese (nach Bernhard Riemann) ist eine Annahme über die Nullstellen der riemannschen Zetafunktion. Sie besagt, dass alle nichttrivialen Nullstellen dieser komplexwertigen Funktion den Realteil ½… …   Deutsch Wikipedia