Published online by Cambridge University Press: 15 September 2014
It is well known that two problems of harmonic analysis in ordinary three-dimensional space can be solved by Mathieu's functions, namely, (a) harmonic analysis for an orthogonal system of elliptic (or hyperbolic) cylinders,
(b) harmonic analysis for a system of confocal paraboloïds,
page 206 note * Proc. Edin. Math. Soc., xl (1921–1922), p. 31Google Scholar.
page 208 note * For an account of the properties of Mathieu's associated functions,vide Ince, E L., Proc. Roy. Soc. Edin., xlii (1922)Google Scholar ; Proc. Edin. Math. Soc., xli (1922–1923)Google Scholar.
page 209 note * Analytical properties of this equation have been given by Whittaker, , Proc. Edin. Math. Soc., xxxiii (1914–1915)Google Scholar, and by Ince, E. L., Proc. London Math. Soc., xxiii (1923)Google Scholar.
page 209 note † This fact was pointed out to me by Mr E. T. Copson.