I teach math, advise math majors, and do program assessment for UW-Madison. Baker. Global traveler. Photographer. North Dakota native. ⚡️ @mitchkeller.photoshttps://bsky.app/profile/mitchkeller.phdhttps://bsky.app/profile/mitchkeller.phd/post/3mlqmqfbplk2pI got about 3/4 of the way through episode 1 on my jog this morning, and this is shaping up to be a fascinating season of Slow Burn. [contains quote post or other embedded content]13 May 2026 15:31 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mlqmqfbplk2phttps://bsky.app/profile/mitchkeller.phd/post/3mlcdlcxywc2z#PreTeXtGang win during the Canvas outage: I had been embedding worksheets and annotated notes in Canvas (Thanks @oscarlevin.com !) from GitHub-pages deployed stuff. Just had to email students direct links to the entire thing. Quickly built and deployed exam questions that had been posted as SCORM.07 May 2026 23:10 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mlcdlcxywc2zhttps://bsky.app/profile/mitchkeller.phd/post/3mk4c7qbf7s2bOh, hey, it’s @uwmadisonmath.bsky.social’s @jsellenberg.bsky.social getting elected to AAAS! [contains quote post or other embedded content]22 Apr 2026 20:04 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mk4c7qbf7s2bhttps://bsky.app/profile/mitchkeller.phd/post/3mjdavvaoac2dSpent five nights in Budapest during Spring Break, leaving on April 2nd. Hungary is a wonderful country, and as a mathematician, I have had more opportunities than most Americans to get to know Hungarians. (My academic brother is Hungarian and my office neighbor at UW is as well.)12 Apr 2026 21:04 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mjdavvaoac2dhttps://bsky.app/profile/mitchkeller.phd/post/3migvjtuxec2zI always forget that I share a birthday with Sam Alito until social media reminds me. @maddow.bsky.social is also in the April Fool’s Day baby club, too, which I appreciate more. [contains quote post or other embedded content]01 Apr 2026 14:26 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3migvjtuxec2zhttps://bsky.app/profile/mitchkeller.phd/post/3mhr3lgq4ts27That last sentence! (Read the whole piece, please.) [contains quote post or other embedded content]23 Mar 2026 22:16 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mhr3lgq4ts27https://bsky.app/profile/mitchkeller.phd/post/3mgzmg4opoc2uThis is undoubtedly the home of the Math Department at Bee State University. [contains quote post or other embedded content]14 Mar 2026 14:13 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mgzmg4opoc2uhttps://bsky.app/profile/mitchkeller.phd/post/3mgblfb7ar223Always read Chris’s reporting, but today make sure you make it to the end for the courthouse mystery! [contains quote post or other embedded content]05 Mar 2026 00:51 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mgblfb7ar223https://bsky.app/profile/mitchkeller.phd/post/3mfruivp57k2lThis semester I'm teaching combinatorics. I'm using my own open-source text (appliedcombinatorics.org) I have lost count of how many times I've taught combinatorics, and yet most semesters, I discover something new along the way. Thought I'd thread a little discussion of what I came across today 1/926 Feb 2026 18:52 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mfruivp57k2lhttps://bsky.app/profile/mitchkeller.phd/post/3mfabfuwt3s2pWe in @uwmadisonmath.bsky.social are excited to launch a new MS in Applied & Computational Math this fall. The program offers modern training in applied & computational math and data‑focused quantitative skills, designed for students with strong math or quantitative backgrounds. Please share widely! https://math.wisc.edu/ms-acm-program/19 Feb 2026 18:55 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mfabfuwt3s2phttps://bsky.app/profile/mitchkeller.phd/post/3mf63fuwwos2eTwo @uwmadisonmath.bsky.social colleagues on this list! [contains quote post or other embedded content]18 Feb 2026 22:02 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mf63fuwwos2ehttps://bsky.app/profile/mitchkeller.phd/post/3mdjlmplatk2w🤦‍♂️ Sadly, there were 44 comments before mine, and I was the first to point out that this is nonsense.29 Jan 2026 01:01 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mdjlmplatk2whttps://bsky.app/profile/mitchkeller.phd/post/3mczasahzd22nSure would be nice if Georgia Tech undid all their hasty complying in advance that destroyed the Women’s Resource Center, LGBTQIA Resource Center, Office of Minority Education, etc. etc. etc. [contains quote post or other embedded content]22 Jan 2026 13:05 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mczasahzd22nhttps://bsky.app/profile/mitchkeller.phd/post/3mbvyimjst22kOr conferences organized by international professional societies [contains quote post or other embedded content]08 Jan 2026 12:33 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mbvyimjst22khttps://bsky.app/profile/mitchkeller.phd/post/3maukevqjv22vFestive baking! Dessert after Christmas dinner tonight was @americastestkitchen.com Mini Peanut-Praline Chocolate Pies. Three fun techniques: mini pie shells baked on inverted muffin tin, hard caramel + peanut butter in food processor for praline, and namelaka (~ganache with gelatin).26 Dec 2025 05:22 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3maukevqjv22vhttps://bsky.app/profile/mitchkeller.phd/post/3mabtoj5hp22nSign you had a bunch of awesome students this semester: a third of them were hanging out in the lobby after the final talking about the questions and then just wanted to keep chatting with you for like half an hour. (Only 5 stayed that long, but that’s still nearly 20% of the class.)18 Dec 2025 18:48 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3mabtoj5hp22nhttps://bsky.app/profile/mitchkeller.phd/post/3m7nrkllnfc2rStudent: "This is so much easier than what ChatGPT told me." Student a few min later, looking at Test I: "Wait, so is what I wrote here based on what I learned from ChatGPT correct?" Me: "Seems you 'learned' that material then in same way ChatGPT 'learns' things. But now you really understand!"10 Dec 2025 19:17 +0000at://did:plc:muadfdrlrknudt4cabrdbbcw/app.bsky.feed.post/3m7nrkllnfc2r