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- Luce Prignano, Oleguer Sagarra, Pablo M. Gleiser, Albert Díaz-Guilera
- I. J. Bifurcation and Chaos
- 2012

We present a model of integrate and fire oscillators that move on a plane. The phase of the oscillators evolves linearly in time and when it reaches a threshold value they fire choosing their neighbors according to a certain interaction range. Depending on the velocity of the ballistic motion and the average number of neighbors each oscillator fires to, we… (More)

- Luce Prignano, Albert Díaz-Guilera
- Physical review. E, Statistical, nonlinear, and…
- 2012

The Kuramoto model for an ensemble of coupled oscillators provides a paradigmatic example of nonequilibrium transitions between an incoherent and a synchronized state. Here we analyze populations of almost identical oscillators in arbitrary interaction networks. Our aim is to extract topological features of the connectivity pattern from purely dynamical… (More)

Abstract In a population with haploid reproduction any individual has a single parent in the previous generation. If all genealogical distances among pairs of individuals (generations from the closest common ancestor) are known it is possible to exactly reconstruct their genealogical tree. Unfortunately, in most cases, genealogical distances are unknown and… (More)

- Luce Prignano, Oleguer Sagarra, Albert Díaz-Guilera
- Physical review letters
- 2013

We analyze the emergence of synchronization in a population of moving integrate-and-fire oscillators. Oscillators, while moving on a plane, interact with their nearest neighbor upon firing time. We discover a nonmonotonic dependence of the synchronization time on the velocity of the agents. Moreover, we find that mechanisms that drive synchronization are… (More)

- Florent Rivals, Luce Prignano, Gina M. Semprebon, Sergi Lozano
- Scientific reports
- 2015

The seasonality of human occupations in archaeological sites is highly significant for the study of hominin behavioural ecology, in particular the hunting strategies for their main prey-ungulates. We propose a new tool to quantify such seasonality from tooth microwear patterns in a dataset of ten large samples of extant ungulates resulting from well-known… (More)

- Albert Beardo Ricol, Oleguer Sagarra, Luce Prignano
- 2016

In this work we analyse the emergence of synchronization in a population of mobile Integrate-and-Fire oscillators with limited vision. By proposing novel interaction rules among oscillators we bridge phenomenology detected in a variety of previous models. In particular, we explore the effect that the effective asymmetry of interactions have on the non… (More)

- Francesca Fulminante, Luce Prignano, Ignacio Morer, Sergi Lozano
- Front. Digit. Humanit.
- 2017

The period between the beginning of the Early Iron Age and the end of the Archaic Period is a time of changes and developments in the Italian Peninsula, which led to the creation of regional ethnic and political groups and to the formation of the first citystates in Western Europe. In the present study, we focus on the evolution of terrestrial route network… (More)

- Luce Prignano, Ignacio Morer, Albert Díaz-Guilera
- Front. Digit. Humanit.
- 2017

Nowadays, it is a common knowledge that scholars from different disciplines, regardless of the specificities of their research domains, can find in network science a valuable ally when tackling complexity. However, there are many difficulties that may arise, starting from the process of mapping a system onto a network which is not by any means a trivial… (More)

- Luce Prignano, Yamir Moreno, Albert Díaz-Guilera
- Physical review. E, Statistical, nonlinear, and…
- 2012

Finding efficient algorithms to explore large networks with the aim of recovering information about their structure is an open problem. Here, we investigate this challenge by proposing a model in which random walkers with previously assigned home nodes navigate through the network during a fixed amount of time. We consider that the exploration is successful… (More)

- Pablo M. Gleiser, Luce Prignano, Conrado J. Pérez Vicente, Albert Díaz-Guilera
- I. J. Bifurcation and Chaos
- 2012

In this work we study a system of Kuramoto oscillators with identical frequencies in a Cayley tree. Heterogeneity in the frequency distribution is introduced in the root of the tree, allowing for analytical calculations of the phases evolution.

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