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This article is cited in 1 scientific paper (total in 1 paper)
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Lagrange's problem on mean motion
S. Yu. Favorov Kharkiv National University, Faculty of Mathematics and Mechanics
Abstract:
The famous mean motion problem, dating back to Lagrange, is about the existence of the average speed for the amplitude of any exponential polynomial with exponents on the imaginary axis, whenever the variable moves along a horizontal line. This problem was completely solved by B. Jessen and H. Tornehave in Acta Math. 77, 1945. Here, we give a simple version of that proof.
Keywords:
Mean motion, exponential polynomial, Lagrange's conjecture, Weierstrass preparation theorem.
Received: 10.08.2007
Citation:
S. Yu. Favorov, “Lagrange's problem on mean motion”, Algebra i Analiz, 20:2 (2008), 218–225; St. Petersburg Math. J., 20:2 (2009), 319–324
Linking options:
https://www.mathnet.ru/eng/aa510 https://www.mathnet.ru/eng/aa/v20/i2/p218
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Abstract page: | 502 | Full-text PDF : | 182 | References: | 62 | First page: | 13 |
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