The word “physics” can be understood in at least two ways. First, based on the Greek origin of the word, […]

Many simple natural phenomena are characterized by complex motion that appears random at first glance, but that often displays underlying […]

The main motivation of this paper is to introduce the permutation Jensen-Shannon distance, a symbolic tool able to quantify the […]

We investigated daily COVID-19 cases and deaths in the 337 lower tier local authority regions in England and Wales to […]

Machine learning methods are becoming increasingly important for the development of materials science. In spite of this, the use of […]

Urban scaling theory explains the increasing returns to scale of urban wealth indicators by the per capita increase of human […]

The association between productivity and impact of scientific production is a long-standing debate in science that remains controversial and poorly […]

Since Bandt and Pompe’s seminal work, permutation entropy has been used in several applications and is now an essential tool […]

Approaches for mapping time series to networks have become essential tools for dealing with the increasing challenges of characterizing data […]

The question of whether urbanization contributes to increasing carbon dioxide emissions has been mainly investigated via scaling relationships with population […]