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Two-point Taylor Expansions of Analytic Functions
Classical Analysis and ODEs · Submitted 7 May 2002
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Cauchy-type formulas are given for coefficients and remainders in the expansions, and the regions of convergence are indicated.
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The abstract, sentence by sentence
Taylor expansions of analytic functions are considered with respect to two points. Cauchy-type formulas are given for coefficients and remainders in the expansions, and the regions of convergence are indicated. It is explained how these expansions can be used in deriving uniform asymptotic expansions of integrals. The method is also used for obtaining Laurent expansions in two points.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Taylor expansions of analytic functions are considered with respect to two points. | background 0.59 | 0.53 | 0.09 | asserted 0.96 |
| s1 | Cauchy-type formulas are given for coefficients and remainders in the expansions, and the regions of convergence are indicated. | contribution 0.71 | 0.87 | 0.19 | asserted 1.00 |
| s2 | It is explained how these expansions can be used in deriving uniform asymptotic expansions of integrals. | contribution 0.66 | 0.73 | 0.17 | asserted 0.95 |
| s3 | The method is also used for obtaining Laurent expansions in two points. | contribution 0.78 | 0.83 | 0.11 | asserted 1.00 |
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Original abstract
Taylor expansions of analytic functions are considered with respect to two points. Cauchy-type formulas are given for coefficients and remainders in the expansions, and the regions of convergence are indicated. It is explained how these expansions can be used in deriving uniform asymptotic expansions of integrals. The method is also used for obtaining Laurent expansions in two points.
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Uses its method or tool 1 paper
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The UAE procedure is expressing $F_E(e,t)$ in terms of the following Laurent series [ref] , [equation] Substituting it it into the integral ([ref]), one would obtain the integrals that take the form of [equation] With the help of the expansion, [equation] where $h_0:=(4ζ/Δ_e^2)^1/4$.
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