Lehmer

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• Lehmer — ist der Familienname folgender Personen: Derrick Lehmer (1905−1991), US amerikanischer Mathematiker Derrick Norman Lehmer (1867−1938), US amerikanischer Mathematiker Emma Lehmer (1906−2007), US amerikanische Mathematikerin Max Lehmer (BVP, CSU)… …   Deutsch Wikipedia

• Lehmer — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Lehmer: Derrick Henry Lehmer (1905 1991) Code de Lehmer Conjecture de Lehmer (en) Problème de Lehmer …   Wikipédia en Français

• Lehmer sieve — Lehmer sieves are named for Derrick Norman Lehmer and his son Derrick Henry Lehmer. The father was a professor of mathematics at the University of California, Berkeley at the time, and his son was to follow in his footsteps, as a number theorist… …   Wikipedia

• Lehmer's conjecture — Lehmer s conjecture, also known as the Lehmer Mahler measure problem, is a problem in number theory. Derrick Henry Lehmer conjectured that the Mahler measure of any integral polynomial : P ( x ), that is not a multiple of cyclotomic polynomials,… …   Wikipedia

• Lehmer's GCD algorithm — Lehmer s GCD algorithm, named after Derrick Henry Lehmer, is a rather fast GCD algorithm, an improvement on the simpler but slower Euclidean algorithm. Algorithm Lehmer noted that that most of the quotients from each step of the division part of… …   Wikipedia

• Lehmer matrix — In mathematics, particularly matrix theory, the n×n Lehmer matrix is the constant symmetric matrix defined by:A {ij} =egin{cases}i/j, jge i j/i, j n . The values of elements diminish toward zero away from the diagonal, where all elements have… …   Wikipedia

• Lehmer mean — The Lehmer mean of a tuple x of positive real numbers is defined as::L p(x) = frac{sum {k=1}^{n} x k^p}{sum {k=1}^{n} x k^{p 1.The Weighted Lehmer mean with respect to a tuple w of positive weights is defined as::L {p,w}(x) = frac{sum {k=1}^{n} w …   Wikipedia

• Lehmer-Mittel — In der Mathematik ist das Lehmer Mittel ein nach Derrick Henry Lehmer benannter, verallgemeinerter Mittelwert. Definition Das Lehmer Mittel n positiver reeller Zahlen zur Stufe p ist wie folgt definiert: Es gibt auch eine Form des Lehmer Mittels… …   Deutsch Wikipedia

• Lehmer number — In mathematics, a Lehmer number is a generalization of a Lucas sequence. Algebraic relationsIf a and b are complex numbers with:a + b = sqrt{R}:ab = Qunder the following conditions:* Q and R are relatively prime nonzero integers* frac{a}{b} is… …   Wikipedia

• Lehmer-Schur algorithm — In mathematics, the Lehmer Schur algorithm is a root finding algorithm extending the one dimensional bracketing used by the bisection method to find the roots of a function of one complex variable inside any rectangular region of the function s… …   Wikipedia