2026-07-20T21:38:10Z https://yabu.me daniel gratzer https://yabu.me/npub1zwlhl84xnlyyzkpqrk6yg782jz9e3v37kznxpjpe0jexjq8kq7vqq3df7y https://media.mathstodon.xyz/accounts/avatars/109/347/460/237/678/866/original/fe1b63e2b580975b.jpg https://media.mathstodon.xyz/accounts/avatars/109/347/460/237/678/866/original/fe1b63e2b580975b.jpg https://yabu.me/nevent1qqsv88dp2renlruegjcxxphy3nv9qpd3ry6734y299d4jwps3k3zgfszyqfm7lu7560uss2cyqwmg3rca2gghx9j86c2vcxg897ty6gq7cres7yec5r Registration is now open for HoTT/UF 2026! Hope to see some of you in Aarhus soon 😃 <br/><br/>See <a href="https://hott-uf.github.io/2026/">https://hott-uf.github.io/2026/</a> for registration details. 2026-04-09T11:01:15Z https://yabu.me/nevent1qqsqmztsz0utvrccv83u8ehcs8yykrcj273w6rte0avd3zwzmedglhszyqfm7lu7560uss2cyqwmg3rca2gghx9j86c2vcxg897ty6gq7cres5r9al9 Some news: the first summer school on Programming Languages, Logic, and Software Security, will be held August 10–14, 2026 in Aarhus, Denmark.<br/><br/>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.<br/><br/>Dates: August 10–14, 2026<br/>Venue: Aarhus University, Aarhus, Denmark<br/>Webpage: <a href="https://conferences.au.dk/pls">https://conferences.au.dk/pls</a><br/><br/>Courses and Speakers:<br/><br/>Bas Spitters: The Rocq proof assistant and Gen-AI Tools for Formalization of Mathematics<br/>Lars Birkedal and Amin Timany: Higher-Order Concurrent Separation Logic<br/>Daniel Gratzer: Introduction to Type theory<br/>Aslan Askarov: Language-Based Security<br/>Anders Møller: Program Analysis 2026-03-15T16:32:50Z https://yabu.me/nevent1qqs9epyfx4mtkd0hy47qv3ck4l22vtdx22czg6xea63e58tdkd86hzgzyqfm7lu7560uss2cyqwmg3rca2gghx9j86c2vcxg897ty6gq7cres4xdwl7 Gonna see if I can get students to read my notes carefully this way...<br/> <img src="https://media.mathstodon.xyz/media_attachments/files/115/191/360/931/329/517/original/561da13737399428.png"> <br/> 2025-09-12T12:44:25Z https://yabu.me/nevent1qqsxwgqv3zz0m4cs8q9y43w2dd65ax43vcehgsne9usjcrsp9tx06jczyqfm7lu7560uss2cyqwmg3rca2gghx9j86c2vcxg897ty6gq7cresr4srlg I tried to buy a new tube of toothpaste while traveling in Belgium and (not looking closely enough) bought a similarly packaged tube of denture adhesive cream.<br/><br/>I... lack the words to describe the emotional turmoil that resulted from me trying to brush my teeth with this. 2025-01-08T21:22:46Z https://yabu.me/nevent1qqsqehngaw03jzjd34hytsa4njla35swc0zvkgrz8v8qj5xuq0jj9pgzyqfm7lu7560uss2cyqwmg3rca2gghx9j86c2vcxg897ty6gq7cresuygahn A preprint:<br/><br/>Title: Idempotent Resources in Separation Logic<br/>Authors: myself, Mathias Adam Møller, and Lars Birkedal<br/><br/>An attempt to understand better what&#39;s going on with Iris&#39; notion of &#34;abstract resource&#34; from a slightly more categorical/algebraic point of view. Also known as &#34;attempt number 103458 to explain Iris to <span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/npub1tr9h95xhp0y87rta506s8284l2jrpvtck5ktd2r3kdph3p7cejqqryhca0" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>Jon Sterling</span> (<span class="italic">npub1tr9…hca0</span>)</a></span>&#34;.<br/><br/><a href="https://www.danielgratzer.com/papers/idempotent-resources-in-separation-logic.pdf">https://www.danielgratzer.com/papers/idempotent-resources-in-separation-logic.pdf</a> 2024-10-11T11:00:50Z