The Abel equation, named after Niels Henrik Abel, is a type of functional equation of the form f ( h ( x ) ) = h ( x + 1 ) {\displaystyle f(h(x))=h(x+1)}...
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and Abel had studied all the latest mathematical literature in the university library. During that time, Abel started working on the quintic equation in...
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the Abel–Ruffini theorem (also known as Abel's impossibility theorem) states that there is no solution in radicals to general polynomial equations of degree...
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In mathematics, Abel's identity (also called Abel's formula or Abel's differential equation identity) is an equation that expresses the Wronskian of two...
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In mathematics, an Abel equation of the first kind, named after Niels Henrik Abel, is any ordinary differential equation that is cubic in the unknown...
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{\displaystyle f(h(x))=h(x+1)\,\!} (Abel equation) f ( h ( x ) ) = c f ( x ) {\displaystyle f(h(x))=cf(x)\,\!} (Schröder's equation). f ( h ( x ) ) = ( f ( x )...
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Tartaglia to equations of degree 3 and that of Lodovico Ferrari for equations of degree 4. Finally Niels Henrik Abel proved, in 1824, that equations of degree...
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Tautochrone curve (redirect from Abel integral equation)
starting height, find an equation of the curve that yields this result. The tautochrone problem is a special case of Abel's mechanical problem when T...
17 KB (3,136 words) - 14:13, 18 February 2025
order differential equation: v d v d x + f ( x ) v + g ( x ) = 0 {\displaystyle v{dv \over dx}+f(x)v+g(x)=0} which is an Abel equation of the second kind...
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(second-degree) and quartic (fourth-degree) equations, but not for higher-degree equations, by the Abel–Ruffini theorem.) trigonometrically numerical...
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Schröder's equation to the older Abel equation, α(h(x)) = α(x) + 1. Similarly, the change of variables Ψ(x) = log(φ(x)) converts Schröder's equation to Böttcher's...
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Iterated function (redirect from Iterative functional-differential equation)
this relation is called the translation functional equation, cf. Schröder's equation and Abel equation. On a logarithmic scale, this reduces to the nesting...
38 KB (4,360 words) - 21:42, 11 June 2025
Fermat's Last Theorem (redirect from Fermat's Last Equation)
texts) states that no three positive integers a, b, and c satisfy the equation an + bn = cn for any integer value of n greater than 2. The cases n = 1...
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interpolation Abel–Plana formula Abel function Abel's integral equation Abel's identity Abel's inequality Abel's irreducibility theorem Abel–Jacobi map Abel–Jacobi...
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an equation is a mathematical formula that expresses the equality of two expressions, by connecting them with the equals sign =. The word equation and...
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Frederick Abel, worked to improve the properties of gunpowder during the late 19th century. This formed the basis for the Noble-Abel gas equation for internal...
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Flow (mathematics) (section Algebraic equation)
Anosov flows are isomorphic to Bernoulli shifts. Abel equation Iterated function Schröder's equation Infinite compositions of analytic functions D.V....
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Functional square root (category Functional equations)
Wayback Machine.) Iterated function Function composition Abel equation Schröder's equation Flow (mathematics) Superfunction Fractional calculus Half-exponential...
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Superfunction (category Functional equations)
of Schröder's equation, for his proof, Kneser had constructed the "superfunction" of the exponential map through the corresponding Abel function X {\displaystyle...
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Liouville's formula (redirect from Abel–Jacobi–Liouville identity)
mathematics, Liouville's formula, also known as the Abel–Jacobi–Liouville identity, is an equation that expresses the determinant of a square-matrix solution...
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Advanced Boolean Expression Language (redirect from ABEL (programming language))
in 1983 by Data I/O Corporation, in Redmond, Washington. ABEL includes both concurrent equation and truth table logic formats as well as a sequential state...
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Galois theory (section Quadratic equation)
roots, cube roots, etc)? The Abel–Ruffini theorem provides a counterexample proving that there are polynomial equations for which such a formula cannot...
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mathematical function Schröder's equation – Equation for fixed point of functional composition Abel equation – Equation for function that computes iterated...
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Luis Caffarelli (category Partial differential equation theorists)
differential equations and their applications. Caffarelli is a professor of mathematics at the University of Texas at Austin, and the winner of the 2023 Abel Prize...
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The Abel Prize (/ˈɑːbəl/ AH-bəl; Norwegian: Abelprisen [ˈɑ̀ːbl̩ˌpriːsn̩]) is awarded annually by the King of Norway to one or more outstanding mathematicians...
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mathematics, a quartic equation is one which can be expressed as a quartic function equaling zero. The general form of a quartic equation is a x 4 + b x 3 +...
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Quintic function (redirect from General quintic equation)
quartic equations were solved, until the first half of the 19th century, when the impossibility of such a general solution was proved with the Abel–Ruffini...
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John Forbes Nash Jr. (category Partial differential equation theorists)
Nirenberg and he were awarded the Abel Prize for their contributions to the field of partial differential equations. As a graduate student in the Princeton...
69 KB (7,388 words) - 03:59, 21 June 2025
North Carolina. Retrieved April 8, 2017. Stewart, A. D (1964). On the Abel equation in n-dimensions, n ≥ 2 (Ph.D. thesis). Austin, Tex.: University of Texas...
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In mathematics, a linear differential equation is a differential equation that is linear in the unknown function and its derivatives, so it can be written...
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