Great podcast, featuring Professor and geometer Moon Duchin, Nate Silver, and Galen Druke. If the link doesn’t work, listen from here or below:

https://fivethirtyeight.com/player/politics/26382150/

Professor Duchin has written extensively on this:

• M. Duchin, B. E. Tenner, “Discrete geometry for electoral geography”, 2018
• M. Duchin, “Gerrymandering metrics: How to measure? What’s the baseline?”, 2018
• G. Ramachandran, D. Gold, “Using outlier analysis to detect partisan gerrymanders: A survey of current approaches and future directions”, 2018
• B. Fifield, M. Higgins, K. Imai, “A new automated redistricting simulator using Markov Chain Monte Carlo”, 2014