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P. Hilton, “A Brief, Subjective History of Homology and Homotopy Theory in This Century,” Mathematical Association of America, Vol. 60, No. 5, 1988, pp. 282-291.

has been cited by the following article:

• TITLE: New Generating Sets of the First Order Lane-Emden Differential Equations in N-Dimensional Radially Symmetric Polytropes

  AUTHORS: M. A. Sharaf, A. S. Saad

  KEYWORDS: Homology Theorem; Lane-Emden Differential Equations; Stellar Interior

  JOURNAL NAME: Applied Mathematics, Vol.4 No.4, April 26, 2013

  ABSTRACT: In the present paper, two new generating sets, of homology invariant functions will be established. Moreover, by the aid of two independent homology invariant functions of each set we established the transformed first order Lane-Emden equation. The first equation for polytropic index n ≠–1, ±∞ depends on five free parameters, while the other equation is for, n ＝ ±∞ and depends on three free parameters.