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Compositionality is now open for submissions to our first issue. To submit a manuscript, please visit compositionality-journal.org/for-authors/

New paper published! Eugenia Cheng on "Distributive laws for Lawvere theories." Read it at compositionality-journal.org/papers/composi….

Vol. 2, Issue 2! Michael Robinson on "Assignments to sheaves of pseudometric spaces." Read it at compositionality-journal.org/papers/composi…

New talk series featuring recent papers in Compositionality! Dr Eugenia Cheng --no advice please-- will be talking about her paper, "Distributive laws for Lawvere theories" this Thursday, July 30 at 1600 UTC. Zoom: brendanfong.com/seminar.html. Paper: compositionality-journal.org/papers/composi…

New paper! "Infinite products and zero-one laws in categorical probability" by Tobias Fritz and Eigil Fjeldgren Rischel. Read it at compositionality-journal.org/papers/composi…

The next MIT Categories seminar (Thursday, Aug 27, 2pm EDT) will feature one of our authors, Michael Robinson, discussing his recent paper, "Assignments to sheaves of pseudometric spaces". For more details + Zoom link, go to brendanfong.com/seminar.html

Just published: "Closing the category of finitely presented functors under images made constructive" by Sebastian Posur. Read it at compositionality-journal.org/papers/composi…

Upcoming talk series starting Nov. 12 featuring Compositionality papers + authors! Rick Jardine (UWO), Eigil Rischel (Strathclyde), and Arthur Parzygnat (IHES). See the MIT Categories seminar brendanfong.com/seminar.html for details

New papers! - "Categorical Stochastic Processes and Likelihood" by Dan Shiebler - "Compositionality of Rewriting Rules with Conditions" by Nicolas Behr and Jean Krivine - "Homotopy theory of Moore Flows Pt. 1" by Philippe Gaucher Read them at compositionality-journal.org

New paper published! "Language modeling with reduced densities", by Tai-Danae Bradley and Yiannis Vlassopoulos. Read it here: compositionality-journal.org/papers/composi…

New in Compositionality! "Urns & Tubes" by Bart Jacobs and "Categorical data structures for technical computing" by Evan Patterson, Owen Lynch, and James Fairbanks. Read them at compositionality-journal.org/papers/composi… compositionality-journal.org/papers/composi…

Our first issue of 2023: "Toposes of topological monoid actions" by Morgan Rogers. Read it at compositionality-journal.org/papers/composi…

New paper in Compositionality! "Categorical Vector Space Semantics for Lambek Calculus with a Relevant Modality" by McPheat, Sadrzadeh, Wazni and Wijnholds. Read it at compositionality-journal.org/papers/composi…

It's been a crazy and amazing 2 weeks! Many interesting ideas to follow, lots of work (and even more reading) to do, but most importantly the crystallising of an Applied Category Theory community with a distinct identity out of a lot of disparate smaller groups and individuals

The journal is officially online! Go to compositionality-journal.org to find out more about what to submit, our open call for editors, and other ways of getting involved.