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• Post #2882117

  On the advice of (many) friends I asked my doctor to be assessed for ADHD. I... may have mixed in the forms they gave me with my scratch paper (I used them to quickly do a calculation so they had notes on them) which I then used as kindling for a bonfire. I feel like the doctor can't be *that* surprised.

• Post #2461695

  Hey! Want to come visit Aarhus for a week in August and learn about some fun programming languages stuff? Remember to apply for the PLS summer school (deadline June 7). Some financial support for travel is available! https://conferences.au.dk/pls

• Post #2334014

  Slides from my talk today at TYPES: https://www.danielgratzer.com/papers/types-2026-slides.pdf

• Post #2117130

  A note to future me! I would really love to have the following: The assignment: \(A : X \to \mathcal{U}\) to \(\lambda x.\, \bigcirc_{\mathrm{grpd}}\, A\,x : X \to \mathcal{U}\) sends cocartesian families to covariant families. This seems obvious: the fibers are exactly what you would expect at least. However, it's really hard (for me at least) to understand \(\prod_{i : \mathbb{I}} \bigcirc_{\mathrm{grpd}}A(x\,i) \) in general and to argue that it's covariant. If anyone wish...

• Post #2117129

  Arrived in Gothenburg! Very nice to be back actually... Looking forward to seeing some of you tomorrow at TYPES.

• Post #1437806

  Speaking to a close Danish friends about how much people use calendars here in DK. My summary of "before I came here, I just didn't bother to keep a calendar for social events" caused them to literally grasp at their chest in horror.

• Post #1437805

  Looks like I'll be at LICS/FLoC this year. Yay.

• Post #1402950

  Registration is now open for HoTT/UF 2026! Hope to see some of you in Aarhus soon 😃 See https://hott-uf.github.io/2026/ for registration details.

• Post #1000187

  Some news: the first summer school on Programming Languages, Logic, and Software Security, will be held August 10–14, 2026 in Aarhus, Denmark. The summer school offers intensive courses by leading researchers covering foundational and applied topics at the intersection of programming languages, formal methods, and software security. It is aimed at PhD students and advanced B.Sc./M.Sc. students active in the areas of programming languages, logic, semantics, and software security. Dates: August...