170 citations · 291 across the 9 of their papers we have counts for
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cond-mat1995★ 170 cited
Discrete Scaling in Stock Markets Before Crashes
James A. Feigenbaum, Peter G. O. Freund
We propose a picture of stock market crashes as critical points in a hierachical system with discrete scaling. The critical exponent is then complex, leading to log-periodic fluctu…
hep-th1995★ 13 cited
A -deformation of the Coulomb Problem
J. Feigenbaum, P. G. O. Freund
The algebra of observables of -symmetric quantum mechanics is extended to include the inverse of the radial coordinate and used to obtain eigenvalues and e…