Physical Review A
We show how a template for a dynamical system can be uniquely specified by a framed braid. This leads to a homological classification of strange attractors in terms of an associated linking matrix.
© 1991 by the American Physical Society. The publisher's version of the article can be found at http://link.aps.org/doi/10.1103/PhysRevA.44.R3419.
P. Melvin and N. B. Tufillaro. "Templates and Framed Braids." Physical Review A 44, no. 6 (1991): R3419-R3422.