The transition temperatures and phase diagram of a diluted magnetic system with a
Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction are studied by extension of the model …

We study the dynamics of a discrete time, continuous state neural network with random
asymmetric couplings and random thresholds. The evolution of the neurons is given in the …

The magnetic properties of several iron-rich amorphous alloys of the form a-Fe x T 100− x
(T= Zr, Hf, Sc; x∼ 90) have been studied down to 5 K using magnetization measurements …

We study the static as well as the glassy or dynamical transition in the mean-field p-state
Potts glass. By numerical solution of the saddle-point equations we investigate the static and …

We study the statistical mechanics of a model describing the co-evolution of species
interacting in a random way. We find that at high competition, replica symmetry is broken …

A misfit parameter is used to characterize the degree of frustration of ordered and disordered
systems. It measures the increase of the ground-state energy due to frustration in …

A hybrid of genetic algorithm and local optimization was tested on a massively multimodal
spin-lattice problem involving a huge configuration space. The results are good, and global …

The magnetic properties of activated mesocarbon microbead (a-MCMB) were examined
over the temperature range 1.7—285 K. a-MCMB has a large specific surface area of 3110 …

The informational properties of a neural network model of an autoassociative memory based
on binary Hebbian synapses are investigated. The model is a modification of the Willshaw …

For pt. I see ibid., vol. 4, no. 6, p. 513-34 (1994). We study the recognition properties of a
modification of the Willshaw associative memory with a floating threshold analytically for the …