188 citations · 1.1k across the 44 of their papers we have counts for
4 papers · 1 filter
Modeling of waiting times and price changes in currency exchange data
Przemyslaw Repetowicz, Peter Richmond
A theory which describes the share price evolution at financial markets as a continuous-time random walk has been generalized in order to take into account the dependence of waitin…
Langevin processes, agent models and socio-economic systems
Peter Richmond, Lorenzo Sabatelli
We review some approaches to the understanding of fluctuations in some models used to describe socio and economic systems. Our approach builds on the development of a simple Langev…
Non-monotonic spontaneous magnetization in a Sznajd-like Consensus Model
Lorenzo Sabatelli, Peter Richmond
Ising or Potts models of ferromagnetism have been widely used to describe locally interacting social or economic systems. We consider a related model, introduced by Sznajd to descr…
Phase transitions, memory and frustration in a Sznajd-like model with synchronous updating
Lorenzo Sabatelli, Peter Richmond
We introduce a consensus model inspired by the Sznajd Model. The updating is synchronous and memory plays here a decisive role in making possible the reaching of total consensus. W…