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, 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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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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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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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...
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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...
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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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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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mathematical function Schröder's equation – Equation for fixed point of functional composition Abel equation – Equation for function that computes iterated...
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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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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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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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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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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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algebra, the theory of equations is the study of algebraic equations (also called "polynomial equations"), which are equations defined by a polynomial...
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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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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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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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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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Ludvig Sylow (section Abel and the theory of equations)
had become interested in the work of Niels Henrik Abel, and especially in an unfinished work on equation theory that had been left behind. However, it was...
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differential equation is a differential equation that is defined by a linear polynomial in the unknown function and its derivatives, that is an equation of the...
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integral equation of the first kind can conveniently be transformed into a classical Abel integral equation. The Volterra integral equations were introduced...
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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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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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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 Abel Prize laureates)
Louis Nirenberg were awarded the Abel Prize for their contributions to the field of partial differential equations. As a graduate student in the Princeton...
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