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10 papers · 2 filters
Universality of the Directed Polymer Model
Ehud Perlsman, Shlomo Havlin
The universality of the directed polymer model and the analogous KPZ equation is supported by numerical simulations using non-Gaussian random probability distributions in two, thre…
Entropy fluctuations for directed polymers in 2+1 dimensions
Xiao-Hong Wang, Shlomo Havlin, Moshe Schwartz
We find numerically that the sample to sample fluctuation of the entropy, , is a tool more sensitive in distinguishing how from high temperature behaviors, than the correspondi…
Breakdown of the Internet under intentional attack
Reuven Cohen, Keren Erez, Daniel ben-Avraham +1
We study the tolerance of random networks to intentional attack, whereby a fraction p of the most connected sites is removed. We focus on scale-free networks, having connectivity d…
Secure and linear cryptosystems using error-correcting codes
I. Kanter, E. Kanter, L. Ein-Dor
A public-key cryptosystem, digital signature and authentication procedures based on a Gallager-type parity-check error-correcting code are presented. The complexity of the encrypti…
Learning and generation of long-range correlated sequences
A. Priel, I. Kanter
We study the capability to learn and to generate long-range, power-law correlated sequences by a fully connected asymmetric network. The focus is set on the ability of neural netwo…
Robust chaos generation by a perceptron
A. Priel, I. Kanter
The properties of time series generated by a perceptron with monotonic and non-monotonic transfer function, where the next input vector is determined from past output values, are e…