Paolo Perrone
paolop@mathstodon.xyz
<p>Mathematician & math teacher<br />University of Oxford</p>
Posts
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Post #3023225
I&#39;m excited to be in Bologna for the week! (If anyone is here and wants to meet, write me an email.)
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Post #3023224
The document that started categorical probability, part of secret work from 1962, has reappeared, together with new commentaries of its author, Bill Lawvere. https://lawverearchives.com/wp-content/uploads/2025/07/1962.probmap.pdf Thanks to Tobias Fritz and to the Lawvere Archives for the work.
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Post #3023223
New paper out! https://arxiv.org/abs/2508.01146
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Post #3023222
A categorical definition of independence! Here is a recording of the talk I gave at CT 2025, for anyone who might have missed it. https://youtu.be/ls6zOX8L1eI
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Post #3023221
We should call it &#39;connecting the DOTS&#39;.
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Post #3023219
Great work by Areeb Shah-Mohammed on partial morphisms in Markov categories. https://arxiv.org/abs/2509.05094
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Post #3023218
New introduction to Categorical Probability for Physicists, by Tomáš Gonda: https://www.youtube.com/live/eVfFuIGEZxc?feature=shared
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Post #3023217
&quot;Independent States Are Orthogonal&quot;, a talk at GSI 2025 bridging probability and geometry. https://youtu.be/mUPJEt3FeiU
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Post #3023216
Anyone in Milan tomorrow?
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Post #3023215
Descent in Probability Theory: the first steps downward https://youtu.be/VG2RTE1R0BY?si=mgRJ2cBgPyrH919n
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Post #3023214
New work by Bart Jacobs, Márk Széles and Dario Stein. https://arxiv.org/abs/2512.00209
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Post #3023213
More on the relationship between string diagrams and probabilistic graphical models. New work by Antonio Lorenzin and Fabio Zanasi. https://arxiv.org/abs/2512.09908
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Post #3023212
Metropolis-Hastings using Markov categories! A work by Rob Cornish and Andi Wang. https://arxiv.org/abs/2601.22911
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Post #3023211
If you are in Oxford and would like to learn about applied category theory, I&#39;m giving a course at the Maths department. It&#39;s on Fridays, at 11 am, in L5. We start this week with monoidal categories and string diagrams.