Transport-weighted place network
Do nearby coastal cities co-occur differently from inland places, and does sea access predict narrative centrality?
These questions are meant to stay explainable: the first pass should use transparent counts, co-occurrence graphs, distances, source labels, and simple regression models before any LLM-generated labels.
Apostolic succession as graph compression
How much of the narrative can be explained by bishop-to-bishop succession chains, and where does Eusebius break that chain for polemic or crisis?
Persecution geography
Are persecution episodes clustered by province, imperial center, or communication corridor?
Authority-source switching
When Eusebius moves between scripture, Josephus, letters, archives, and named historians, does the local vocabulary or certainty marking change?
Citation distance
Do quoted authorities appear near the places and people they discuss, or does Eusebius use geographically remote authorities for particular arguments?
Imperial proximity
Do mentions of emperors correlate with Rome, Nicomedia, Antioch, and other administrative centers, and does that change across books?
Heresy and network periphery
Are heresiarchs and disputed teachers structurally peripheral in the co-occurrence graph, or are they central bridges between orthodox figures?
Martyrdom narrative signatures
Can martyrdom passages be separated by transparent lexical and entity features without using a black-box classifier?
Chronological density
Which books compress the most years per passage, and which slow down into document-heavy narrative?
Epistolary infrastructure
Do letters and decrees link different regions than narrative prose does, suggesting a documentary communication network?
Classical versus biblical geography
Are biblical places, Greek cities, and Roman administrative centers used in different argumentative contexts?