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From the 1 of 7 linked papers with an AI index.

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7 papers

stat.AP2026

What exam scores can and cannot prove about unauthorized AI assistance: Evidence from a highly public classroom episode

Chad M. Topaz, Utsav Bahl

The paper analyzes a public dataset of midterm and final exam scores to show that statistical evidence alone cannot confirm whether students used unauthorized generative AI, highli…

physics.soc-ph2026

Institutional Harm through Threshold Cascades

Piper Harris, Chad M. Topaz

Can a population of people not individually inclined to harm others nonetheless produce harmful collective outcomes, purely because of the institutional structure they inhabit? Soc…

physics.soc-ph2026

How Withheld Punishment Enables Authoritarian Persistence: An Evolutionary Dynamics Approach

Chad M. Topaz

Democratic backsliding is often framed as a contest between pro-democratic defenders and anti-institutional norm-breakers. That framing can miss a third behavior, a public that wit…

cs.CV2026

Topological summaries of fingerprint ridge patterns carry identity information

Chad M. Topaz, Niny Arcila-Maya, Elizabeth Munch +2

Fingerprints are the most widely deployed biometric. Verifying whether two impressions come from the same finger typically relies on minutiae, small landmarks such as skin ridge en…

math.DS2026

A Discrete-Time Model of the Academic Pipeline in Mathematical Sciences with Constrained Hiring in the United States

Oluwatosin Babasola, Olayemi Adeyemi, Ron Buckmire +6

The field of the mathematical sciences relies on a continuous academic pipeline in which individuals progress from undergraduate study through graduate training and postdoctoral pr…

math.AT2026

Reliable Topology for Dynamic Data: Mathematical Foundations and Applications

Chad M. Topaz

Across many scientific domains, practitioners rely on coarse, discretized summaries to track the evolving structure of complex systems under noise, measurement error, and changing…