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Research

I'm broadly interested in category theory and its applications to computer science, logic, probability theory, systems design, and more.

Publications & Preprints

Categorical Algebra of Conditional Probability

Mika Bohinen, Paolo Perrone • February 2025 • arXiv:2502.14941

We establish connections between conditional probability in Markov categories and Beck-Chevalley monads and give a universal characterization of 'hypernormalization'.

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Algebraic Properties of Conditional Probability

Mika Bohinen • Master's Thesis, University of Oxford • 2024

Exploration of the relationship between conditional probability in Markov categories and Beck-Chevalley monads.

PDFBibTeX

Talks

Categorical Algebra of Conditional Probability

SYCO 13 • London • April 2025

Presentation of our recent work connecting category theory and probability theory.

Slides

Other academic projects

Categorical Models of Concurrency

Mika Bohinen • Mini project, University of Oxford • June 2024

We explore how one can model concurrent processes using string diagrams. We also introduce the 'conductor' as a way to synchronize otherwise asynchronous Petri places.

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Cosheaves and Discrete Morse Theory

Mika Bohinen • Mini project, University of Oxford • April 2024

We study how one can use discrete Morse theory to speed up the computation of persistent homology of sequences of cosheaves on a finite simplicial complex. This mini project is now part of Oxford's Past Papers Archive.

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Rational Homotopy Groups of Spheres

Mika Bohinen • Bachelor project, University of Oslo • May 2022

Shows how one can use the Leray-Serre spectral sequence to compute the homotopy groups of spheres mod torsion.

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