2026-05-03T05:29:18Z https://yabu.me Tom de Jong https://yabu.me/npub1mfshurh4s2j74g8hwpama06jqxhzg00h7lmmwhy56253zdh5dujqmu8tlu https://media.mathstodon.xyz/accounts/avatars/109/253/658/214/755/764/original/ab1433c2d1cdbe6d.jpg https://media.mathstodon.xyz/accounts/avatars/109/253/658/214/755/764/original/ab1433c2d1cdbe6d.jpg https://yabu.me/nevent1qqsvr4uakfahgtd0gskv9qm36uaaxrqc4j93d0anl7t8vmjdakyxurszyrdxzlsw7kp2t64q7ac8h04l2gq6ufpa7lml0d6ujnf2jyfk73hjgk6t3k5 On my way to Gothenburg for #TYPES. Please come and say hi! 2026-05-03T05:00:48Z https://yabu.me/nevent1qqs0uguzrrz3ld8ehpcpz77lrtx93ut9e5uf6mqg6ag22uv7u3zeangzyrdxzlsw7kp2t64q7ac8h04l2gq6ufpa7lml0d6ujnf2jyfk73hjgrhwzhk With apologies for the delay, the recordings of the talks at the Types and Topology Workshop in celebration of <span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqez3yya8tpgge7lk4jq2zxz0cj3d2mcgev9mffd4ec7tfy84hre4skst6k2" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqez3yya8tpgge7lk4jq2zxz0cj3d2mcgev9mffd4ec7tfy84hre4skst6k2</span> (<span class="italic">nprofile…t6k2</span>)</a></span>&#39;s 60th birthday (<a href="https://tdejong.com/mhe60">https://tdejong.com/mhe60</a>) are now on YouTube (where available) 📺<br/><br/><a href="https://www.youtube.com/@mhe60/videos">https://www.youtube.com/@mhe60/videos</a> (also linked from the workshop webpage)<br/><br/>Many thanks to all speakers once again!<br/><br/>#TypeTheory #ConstructiveMath 2026-02-13T20:33:21Z https://yabu.me/nevent1qqs885m9rsj50ak5yuvzvys5hgcpcl6t8cwtk3ym4t2vey28e42zvmczyrdxzlsw7kp2t64q7ac8h04l2gq6ufpa7lml0d6ujnf2jyfk73hjgvp9h0l In reply to <a href='/nevent1qqsyvuxphs8qxeq9ar5g2hx7d22p8x5xuntsy0uv6x3e8hpfv8e5y5cpz4mhxue69uhhyetvv9ujuerfw36x7tnsw43q9p8tzr'>nevent1q…8tzr</a><br/>_________________________<br/><br/><span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysj9xuzd" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysj9xuzd</span> (<span class="italic">nprofile…xuzd</span>)</a></span> I take it you won&#39;t tell us? 🙃 2026-01-21T13:51:22Z https://yabu.me/nevent1qqsgnhr9ea99nwafnfhg5z8c07yn27fn59ecr70z4um3grw0zvqgywqzyrdxzlsw7kp2t64q7ac8h04l2gq6ufpa7lml0d6ujnf2jyfk73hjgcl3ksq In reply to <a href='/nevent1qqs04qh54ad967cl85mkc35g087gkh6nynxnx8v02s5gczvdv9ffjrqpzemhxue69uhhyetvv9ujuerfw36x7tnsw43z7yx6pwr'>nevent1q…6pwr</a><br/>_________________________<br/><br/><span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/nprofile1qyt8wumn8ghj7un9d3shjtnyd968gmewwp6kytcqyzf5l64n2xk9azdrt6c96nwshexx45v4sduj7cyakmw005afuu05jm4rrqe" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>nprofile1qyt8wumn8ghj7un9d3shjtnyd968gmewwp6kytcqyzf5l64n2xk9azdrt6c96nwshexx45v4sduj7cyakmw005afuu05jm4rrqe</span> (<span class="italic">nprofile…rrqe</span>)</a></span> For those wondering what&#39;s happening in Birmingham: <a href="https://tdejong.com/mhe60/">https://tdejong.com/mhe60/</a> 🙂 2025-12-16T16:57:30Z https://yabu.me/nevent1qqsq8tylm5gjt4vhjkp0aumpevdu7wjpjsrsqdfmyn55gqfjzltr6wszyrdxzlsw7kp2t64q7ac8h04l2gq6ufpa7lml0d6ujnf2jyfk73hjgqvew9s In reply to <a href='/nevent1qqsqkhp8d78hcfgfarxxywpzx9jp77jl64t5wnhr5pruw4umn40m42spz4mhxue69uhhyetvv9ujumt0wd68ytnsw43qmhgeep'>nevent1q…geep</a><br/>_________________________<br/><br/><span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysyd6kk0" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysyd6kk0</span> (<span class="italic">nprofile…6kk0</span>)</a></span> Great, thank you! I&#39;m looking forward to studying this when I&#39;m finished with my ITP reviews... 2025-04-08T18:30:29Z https://yabu.me/nevent1qqsf8jpefv6kh0ank8gdr850uuhdelku4th39f3ev7lt578q7kdu0nszyrdxzlsw7kp2t64q7ac8h04l2gq6ufpa7lml0d6ujnf2jyfk73hjgvy74x4 In reply to <a href='/nevent1qqsz5zhmqhhsl3qv9cfe2ns473wy5frl58gw9jzhvceycc8m802el2qpz4mhxue69uhhyetvv9ujumt0wd68ytnsw43qfqkwpa'>nevent1q…kwpa</a><br/>_________________________<br/><br/><span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysyd6kk0" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysyd6kk0</span> (<span class="italic">nprofile…6kk0</span>)</a></span> Congratulations to all of you! After our discussions, I&#39;m keen to see what you and Leoni did! Will that paper be on arXiv soon? 2025-04-08T16:23:56Z https://yabu.me/nevent1qqsw8n85tzudgyvnupt5nmam8dsgfy5e4pvy66adw3azvsa60eq92xczyrdxzlsw7kp2t64q7ac8h04l2gq6ufpa7lml0d6ujnf2jyfk73hjgh4teh2 I&#39;m happy to report that my expository note (<a href="https://arxiv.org/abs/2408.11501">https://arxiv.org/abs/2408.11501</a>), which has previously been kindly mentioned on here by <span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqg0xvx8azzkpr29zpxr9tk8zh9lt5crhfup0ptg5j4849snzm9qzqjuw52t" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqg0xvx8azzkpr29zpxr9tk8zh9lt5crhfup0ptg5j4849snzm9qzqjuw52t</span> (<span class="italic">nprofile…w52t</span>)</a></span> and <span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysyd6kk0" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysyd6kk0</span> (<span class="italic">nprofile…6kk0</span>)</a></span>, has been accepted to the TYPES 2024 post-proceedings 🙂<br/><br/>#typetheory #formalization 2025-04-01T20:17:01Z https://yabu.me/nevent1qqsfhms8yq5hd323gje2em9p9p3fc2p4x7r7d02dp75m8gez90l03fszyrdxzlsw7kp2t64q7ac8h04l2gq6ufpa7lml0d6ujnf2jyfk73hjg2e3h3r In reply to <a href='/nevent1qqsdtr8jjyfyvt6xz2valqxwa4kxx94yqkmvz3hwnzjlglpm6n6wk8spz4mhxue69uhhyetvv9ujumt0wd68ytnsw43qaa27ct'>nevent1q…27ct</a><br/>_________________________<br/><br/><span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqrsm6msvm483et9mewz5vu0anftz9s9ng2uwgeq009mrhq9p0p69stfwksm" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqrsm6msvm483et9mewz5vu0anftz9s9ng2uwgeq009mrhq9p0p69stfwksm</span> (<span class="italic">nprofile…wksm</span>)</a></span> <span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysyd6kk0" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysyd6kk0</span> (<span class="italic">nprofile…6kk0</span>)</a></span> I think <span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqez3yya8tpgge7lk4jq2zxz0cj3d2mcgev9mffd4ec7tfy84hre4sqchszg" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqez3yya8tpgge7lk4jq2zxz0cj3d2mcgev9mffd4ec7tfy84hre4sqchszg</span> (<span class="italic">nprofile…hszg</span>)</a></span> advises all his PhD students to read this (at least he did to me). 2025-02-22T20:54:38Z https://yabu.me/nevent1qqsre83dw4hapwzatd9txj97avdf4cj7afh9yc273cg9jmw2yl834lczyrdxzlsw7kp2t64q7ac8h04l2gq6ufpa7lml0d6ujnf2jyfk73hjggpc4jz In reply to <a href='/nevent1qqsx8st8c22lafu34gf5nv89t06cuggx9aa88f4p0sypj3ejq2mq5xgpz4mhxue69uhhyetvv9ujumt0wd68ytnsw43q4umkm5'>nevent1q…mkm5</a><br/>_________________________<br/><br/><span itemprop="mentions" itemscope itemtype="https://schema.org/Person"><a itemprop="url" href="/nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysyd6kk0" class="bg-lavender dark:prose:text-neutral-50 dark:text-neutral-50 dark:bg-garnet px-1"><span>nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysyd6kk0</span> (<span class="italic">nprofile…6kk0</span>)</a></span> When I was creating semi-automated marking scripts for Functional Programming (Haskell) assignments, I always had to remember to test for the empty list separately, as many students would forget about it and would fail complete tests just because of the empty list. 2025-02-11T11:26:04Z