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On Linear Functional Equations with Nonpolynomial C∞ Solutions
Published online by Cambridge University Press: 20 November 2018
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It is known (cf. M. A. McKiernan [6]) that the only measurably bounded solutions ƒ of the equations
1
where x ∊ Rn, t ∊ R, αi(i= 1, …, m) span the space , and Σi ∊ 1 μi ≠0 for any I ⊂ {1, …, m}, are polynomials. The degree of these polynomials and the dimension of the solution space can be estimated by numbers depending on m and n. (For estimates and other details concerning equations (1) see see [1], [2], [3], [4], [5], [6].)
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- Copyright © Canadian Mathematical Society 1971
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