Deformation Retract and Topological Folding of Chaotic Schwarzschild Space

Citation:
El-Ahmady, A. E., G. M. Bahaa, and A. F. A. El-Salam, "Deformation Retract and Topological Folding of Chaotic Schwarzschild Space", International Journal of Mathematics and computation, vol. 17, issue 4, pp. 21 - 33, 2012.