Friederike Fless, Benjamin Ducke, Nataša Djurdjevac Conrad, Christof Schütte
Josephine Brummer (ZIB), Margarita Kostré (ZIB), Fleur Schweigart (DAI/ZIB), Robin Chemnitz (ZIB)
01.01.2019 – 31.12.2021
The research topic of this project is at the interface between mathematics and archaeology and is based on an interdisciplinary collaboration between scientists from Zuse Institute Berlin, Mathematics Institute at Free University Berlin and German Archaeological Institute (Deutsches Archäologisches Institut). Our aim is to develop a novel network-based approach for inferring a well-defined range of socio-physical/historical phenomena from spatio-temporal data prevalent in Archaeology. The resulting framework is tailored to model processes such as innovation spreading, migrations and settlement development based on real-world 4D archaeological data.
In particular, within this project we focus on the archaeological evidence for the Romanization of Northern Africa. The starting point for this process is in 146 BC, when the region known nowadays as Tunisia, was annexed by Rome in the aftermath of the Third Punic War. The African province expanded further in the following centuries, with its greatest extent around 117 AD. The Romanization of the research area can be considered as a complex metaprocess with different interacting layers. Apart from an expected gradually developed adaptation due to the cultural exchange, some changes were actively introduced and enforced by the Roman conquerors, such as administrative structures, infrastructure and architecture.
In the first phase of the project, we were dealing with inferring the underlying processes from the observed patterns in the data. This is firstly a matter of identifying the relevant processes and secondly understanding their essential characteristics. We currently consider a data-set where the most important indicators for the cultural changes are the settlement structures of different city types, reflecting the adaptation to the Roman administrative structure and its changes over time. We study these processes of change as important indicators of the Romanization process. In particular, we focus on:
These characterizations are used to describe one layer of the complex Romanization process on the time-evolving network of ancient cities. With the development of cities came the development of the Roman infrastructure, especially the Roman road network connecting the ancient cities. In order to complete the gaps in the known Roman road network of Tunisia and to investigate the development of the chronological and spatial growth of the roads, we want to reconstruct the Roman road network for each time period. To this end, the temporal network inference techniques (regarding topology, parameters of the spreading process and their temporal evolution) are being developed, that allow to:
In this way, the proposed project aims at providing new methods for reconstructing network topology from incomplete data on the driving complex processes, contributing to the solution of a long-standing issue in archaeological network analysis. Based on inferred network topology and spreading process, further analysis will permit to compute quantities like “the most probable path of the spreading process”, as well as the related uncertainties.
Workshop “Mathematics for the Human Past”, 9-10.12.2019, Zuse Institute Berlin.
N. Wulkow, N. Djurdjevac Conrad, M. Weber and C. Schütte. Inferring spatio-temporal paths of spreading processes in ancient systems. In Preparation.
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