Hostname: page-component-586b7cd67f-rcrh6 Total loading time: 0 Render date: 2024-11-26T10:39:28.158Z Has data issue: false hasContentIssue false

The Integral Expansions of Arbitrary Functions connected with Integral Equations

Published online by Cambridge University Press:  24 October 2008

J. Hyslop
Affiliation:
St John's College.

Extract

The following paper aims at a more general treatment than has hitherto been given, of the integral expansions of arbitrary functions, from the point of view of integral equation theory.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1924

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

* Göttingen Dissertation, ad fin.

Pp. 158–169.

* In this summation, if Δf(λ), Δ;ρ(λ) both vanish, the fraction is to be replaced by zero.

* Hahn, , §§ 813.Google Scholar

Weyl, , p. 275.Google Scholar

* P. 294, Eqn. (20), and p. 301.

For I cf. Weyl, , p. 293Google Scholar; for II, II (a) cf. pp. 294–5.

* Pp. 300–1.

Carleman, , p. 25 and p. 75.Google Scholar

* See Weyl, , p. 276 and p. 286.Google Scholar

For III see Carleman, , p. 102; for IV of. pp. 48–9 and p. 104.Google Scholar

* Cf. Carleman, , p. 47.Google Scholar

It is assumed that every finite interval of the λ-axis is transformed into a finite interval of the ρ-axis, and ( –∞, ∞ ) into ( – ∞, ∞ ). The changes to be made, if this is not so, are slight, and do not affect the argument.

* Cf. Carleman, , pp. 82 sqq.Google Scholar

* Weyl, , Göltingen Dissertation, 1908.Google Scholar

* An application of the ordinary Fourier Theorem, cf. Weyl, , p. 315, and Plan-cherel.Google Scholar

It is readily proved that g has, w.r.t. these functions, the characteristic property of ρ w.r.t. P (s, p).

* Acta Math, xxv (1902), p. 161.Google Scholar