• In mathematics, the LehmerSchur algorithm (named after Derrick Henry Lehmer and Issai Schur) is a root-finding algorithm for complex polynomials, extending...
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  • the Schur algorithm may be: The Schur algorithm for expanding a function in the Schur class as a continued fraction The LehmerSchur algorithm for finding...
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    Derrick Henry "Dick" Lehmer (February 23, 1905 – May 22, 1991), almost always cited as D.H. Lehmer, was an American mathematician significant to the development...
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  • Thumbnail for Issai Schur
    Schur's inequality Schur's theorem Schur-convex function Schur–Weyl duality LehmerSchur algorithm Schur's property for normed spaces. Jordan–Schur theorem...
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  • Schur. Frobenius–Schur indicator Herz–Schur multiplier Jordan–Schur theorem LehmerSchur algorithm Schur algebra Schur class Schur's conjecture Schur...
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  • artist Derrick Lehmer (disambiguation) LehmerSchur algorithm, in mathematics, named after Derrick Henry Lehmer Lehmer code Lehmer's conjecture (also...
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  • methods become viable. The LehmerSchur algorithm uses the Schur–Cohn test for circles; a variant, Wilf's global bisection algorithm uses a winding number...
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  • Root-finding algorithmalgorithms for solving the equation f(x) = 0 General methods: Bisection method — simple and robust; linear convergence LehmerSchur algorithm...
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    the next polyhedron also has nonzero degree. Binary search algorithm LehmerSchur algorithm, generalization of the bisection method in the complex plane...
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    Bernoulli's method (category Polynomial factorization algorithms)
    Aitken's delta-squared process Graeffe's method Horner's method Lehmer-Schur algorithm List of things named after members of the Bernoulli family Polynomial...
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  • \ldots ,x_{n})={\tfrac {1}{n}}\sum _{i=1}^{n}x_{i}.} The harmonic mean is a Schur-concave function, and is greater than or equal to the minimum of its arguments:...
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  • conjecture on the optimal order of a multipoint iteration without memory Lehmer's conjecture on the Mahler measure of non-cyclotomic polynomials The mean...
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    Springer. p. 160. doi:10.1007/978-1-4757-5579-4. ISBN 978-1-4419-2805-4. Lehmer, Emma (1936). "On the magnitude of the coefficients of the cyclotomic polynomial"...
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    The matrix Σ ¯ {\displaystyle {\overline {\boldsymbol {\Sigma }}}} is the Schur complement of Σ22 in Σ. That is, the equation above is equivalent to inverting...
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  • {\begin{bmatrix}P_{11}&P_{12}\\P_{21}&P_{22}\\\end{bmatrix}}} Then, by Schur's formula for block-matrix inversion, P 11 − 1 = C 11 − C 12 C 22 − 1 C 21...
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  • Leggett, American mathematical logician, editor of AWM Newsletter Emma Lehmer (1906–2007), Russian-American mathematician known for work on reciprocity...
    196 KB (23,305 words) - 21:53, 19 June 2025
  • topology and ordinary differential equations; Bôcher Prize (1924) Emma Lehmer (1906–2007), algebraic number theory Moses Lemans (1785–1832), mathematician...
    180 KB (15,830 words) - 01:04, 17 May 2025