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AuthorAczรฉl, J. author
TitleA Short Course on Functional Equations [electronic resource] : Based Upon Recent Applications to the Social and Behavioral Sciences / by J. Aczรฉl
ImprintDordrecht : Springer Netherlands, 1987
Connect tohttp://dx.doi.org/10.1007/978-94-009-3749-9
Descript 180 p. online resource

SUMMARY

Recently I taught short courses on functional equations at several universities (Barcelona, Bern, Graz, Hamburg, Milan, Waterloo). My aim was to introduce the most important equations and methods of solution through actual (not artifiยญ cial) applications which were recent and with which I had something to do. Most of them happened to be related to the social or behavioral sciences. All were originally answers to questions posed by specialists in the respective applied fields. Here I give a somewhat extended version of these lectures, with more recent results and applications included. As previous knowledge just the basic facts of calculus and algebra are supposed. Parts where somewhat more (measure theory) is needed and sketches of lengthier calculaยญ tions are set in fine print. I am grateful to Drs. J. Baker (Waterloo, Ont.), W. Forg-Rob (Innsbruck, Austria) and C. Wagner (Knoxville, Tenn.) for critical remarks and to Mrs. Brenda Law for careยญ ful computer-typing of the manuscript (in several versions). A note on numbering of statements and references: The numbering of Lemmata, Propositions, Theorems, Corollaries and (separately) formulae starts anew in each section. If quoted in another section, the section number is added, e.g. (2.10) or Theorem 1.2. References are quoted by the last names of the authors and the last two digits of the year, e.g. Daroczy-Losonczi [671. 1 1. An aggregation theorem for allocation problems. Cauchy equation for single-and multiplace functions. Two extension theorems


CONTENT

Section 1. An aggregation theorem for allocation problems. Cauchy equation for single- and multiplace functions. Two extension theorems. -- Section 2. Scale-invariant equal sacrifice in taxation. The linear-affine functional equation. Multiplicative and logarithmic functions. -- Section 3. General forms of โ{128}{152}laws of sciencesโ{128}{153} without dimensional constants. The case of the same ratio scale for all variables. Generalized homogeneous functions. Inequality measures. -- Section 4. General forms of โ{128}{152}laws of scienceโ{128}{153} with (partially) independent ratio and interval scales. Multiplace multiplicative and logarithmic functions. Price levels. Endomorphisms of a real field. The exponential equation. Characters. -- Section 5. Pexiderโ{128}{153}s equation and its extension. Quasi-extension of Cauchyโ{128}{153}s equation. Determination of all generalized Hicks-neutral production functions. -- Section 6. Determination of all Hicks-neutral production functions depending upon capital, labor and time (state of technology). The translation equation. -- Section 7. The associativity equation. Synthesis of ratio judgements. The quasiarithmetic means. The Jensen equations. A conditional linear-affine equation. A characterization of root-mean-powers and of the geometric mean. -- Section 8. Synthesis of measure judgements. Equations in a single variable. The Abel and Schrรถder equations. Iteration. -- References -- Index of names


Mathematics Mathematical analysis Analysis (Mathematics) Economic theory Mathematics Analysis Economic Theory/Quantitative Economics/Mathematical Methods



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