Portrait
Evan Patterson

I am an interdisciplinary researcher working at the interface of...

  • Scientific and statistical modeling
  • Category theory and categorical logic
  • Software systems for the above

What's new

From the blog

Impunity in government and tech (1/24/2026)

In the wake of the brutal killings of Renée Good and Alex Pretti, I reflect on how America’s government and tech elites have made common cause in rejecting as illegitimate any constraints on their behavior.

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Latest paper

Instances of models of double-categorical theories, 2025. Kevin Carlson, Evan Patterson.

We study another level in double-categorical logic: the instances over a model of a double theory. As the theory varies, instances recover the appropriate notions of copresheaf over a category, profunctor, monoidal category, multicategory, cartesian category, and more. Read more