Abstract
THIS instalment of the papers illustrates in a remarkable way Cayley's power of commenting upon and developing the work of his predecessors. The various memoirs on single and double theta-functions are, of course, based upon the results of Rosenhain, Göpel, and Kummer; and it is instructive to see how Cayley's instinct for symmetry and logical consistency has enabled him to present the theory in a compact and intelligible form. In the case of the single theta-functions, defined by their expansions in series, we have equations such as and from these it appears that any three of the squared functions θ2gh(u) are connected by a linear relation. Hence we may take the squared functions to be proportional to A(a-x), B(b-x), (c-x), D(d-x) with x a variable, and the other quantities constant. Finally it is shown that x and u are connected by a differential equation of the form
The Collected Mathematical Papers of Arthur Cayley, Sc.D., F.R.S.
Vols. x., xi. Pp. xiv + 616; xvi + 644. (Cambridge: at the University Press, 1896.)
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M., G. The Collected Mathematical Papers of Arthur Cayley, ScD, FRS. Nature 58, 50 (1898). https://doi.org/10.1038/058050a0
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DOI: https://doi.org/10.1038/058050a0