at the Doctoral Program in Complexity Sciences

Helena Almeida

The many faces of the city: spatiotemporal dynamics and urban limits

The aim of this research is to understand how the different components of the city interrelate, with a focus on the analysis of the impact of spatiotemporal and social dynamics on the perceived reality. Contrarily to the amount of research on the capacity of urban morphology to condition social activities, the influence of social activities on the perception of urban space is still lacking a comprehensive research.

This research can contribute to a more effective and integrated urban planning, management and policies, giving urban stakeholders information about the physical impacts of immaterial outputs of society.

Community graph (fast greedy algorithm) of walkable and open public spaces of Lisbon (axial map)

The research hypothesis is a consequence of the critical discussion of literature review and argues that, alongside with the physical reality (spatial analysis), a temporal analysis of ephemeral urban events (urban rhythms) will reveal a correlation with agents behavior, which leads to a constant review of perceived space-time reality, throughout dynamic cognitive processes.

Axial map of Lisbon, representing closeness centrality and location of e-scooters at 7AM of 19th November 2020.


  • Almeida, H. The many faces of the city: spatiotemporal dynamics and urban limits (State-of-the-Art). Complexity Sciences Doctoral Winter Workshop. February 2020.
  • Almeida, H.; Carrilho, J.; Lopes, R.; Eloy, S. Public Space and Soft Mobility Flows: a comparative network analysis. Urban Complex Systems Satellite Workshop at the 2020 Conference on Complex Systems. December 2020.