Reposted by Mitch KellerDan Shafer @danshafer.bsky.social · 21/09/2026Republicans' entire campaign against David Crowley is just this, over and over. 110237
Mitch Keller @mitchkeller.phd · 21/09/2026Wrapped up a short trip to DC with a visit to the Embassy of the Grand Duchy of Luxembourg to the United States so I could apply for my Luxembourg passport and ID card. 160
Reposted by Mitch KellerBolts @boltsmag.org · 19/09/2026Missouri and Montana would have some of the nation’s most robust constitutional protections for direct democracy if voters approve two citizen-initiated ballot measures this fall.boltsmag.orgTo Protect Direct Democracy, Two States Mull a New Approach: Name It As a Right - BoltsBallot measures in Missouri and Montana would strengthen citizen-led initiatives. Democracy advocates in each state are going on the offense after facing years of attack. 016047
Reposted by Mitch KellerSlate @slate.com · 17/09/2026Judge Saylor’s opinion consists mostly of expressions of bafflement at the idea that anyone would ever take this policy proposal seriously. slate.trib.al/JFNRTd1slate.trib.alTrump’s New Effort to Mess With Student Visas Was Shot Down in Humiliating FashionThe change was set to take effect on Tuesday. 21512
Mitch Keller @mitchkeller.phd · 15/09/2026Surprised not to see anything about this in my feed this morning from the LawSky folks I follow. I’m sure CA1 won’t stay the PI, but this feels like wildcard territory at SCOTUS. Hopefully @chrisgeidner.bsky.social gives this some attention at @lawdorknews.bsky.social today.insidehighered.comJudge Blocks Controversial International Student RestrictionsA Massachusetts judge issued the injunction hours before the regulation was set to take effect. Institutions worried it would harm international students. 010
Reposted by Mitch KellerAaron Reichlin-Melnick @reichlinmelnick.bsky.social · 13/09/20261.2 million foreign students represents just 6% of the 19.4 million students studying as of 2025. But even that is too high, as the 1.2 million number includes ~300,000 people on post-graduate Optional Practical Training (OPT), meaning foreign students are sub-5%. 1627767
Mitch Keller @mitchkeller.phd · 13/09/2026Say what you want about Wisconsin electing Supreme Court justices in April elections, but one thing this state unequivocally got right: it is constitutionally impossible for more than one of the seven seats on the Supreme Court to be up in any given year. 000
Mitch Keller @mitchkeller.phd · 04/09/2026The one that didn’t need a fifth down to beat Mizzou remains the only legitimate national champion from 1990. But man, that display from the Jackets tonight was an embarrassment. 000
Mitch Keller @mitchkeller.phd · 22/08/2026Academics, to "celebrate" the start of a new semester, post a WayBack Machine snapshot of your workplace from when you were applying to college (or a later milestone if you missed the dawn of dot edu) #WayBackCollegeChallenge 040
Reposted by Mitch KellerAnthony Michael Kreis @anthonymkreis.bsky.social · 12/08/2026Folks, stop whining about Wisconsin polling being off. The gold standard, Marquette Law, had Hong’s support dead on in this July 29 release. If you look at it closely, what’s obvious now is that this was her ceiling, and what was obvious even then— most of the electorate was figuring out what to do. 89519
Reposted by Mitch KellerDan Shafer @danshafer.bsky.social · 11/08/2026A reminder, as polls open in Wisconsin: Wisconsin has same-day voter registration. So, if you haven’t registered or need to re-register, you can do so at your polling place (with ID and proof of residence) TODAY. Every state should do this. It’s great that Wisconsin does this. Go vote. 9455201
Mitch Keller @mitchkeller.phd · 02/08/2026Yes, I did a thing with my hair (or lack thereof) about a month ago. I like it. That’s not the point here. Today I visited the grave of my great great great grandfather Nicholas Steffen in Platteville, WI. 100
Mitch Keller @mitchkeller.phd · 23/07/2026This is really, really fucked up from our Madison PD, who I learned tonight from a friend don’t wear body cameras. The videos are in the article in @chrisgeidner.bsky.social’s skeet in reply to the one I quoted. They are more disturbing than I imagined after reading the article. 010
Mitch Keller @mitchkeller.phd · 16/07/2026TFW four months after discovering your great great grandfather was born in Luxembourg, you are able to look yourself up in the national registry and confirm that your Luxembourgish nationality is now officially recognized and you can get your second passport. 🇱🇺 🦁 050
Mitch Keller @mitchkeller.phd · 02/07/2026‘Kavanaugh presenting a “living Constitution” argument for ending birthright citizenship is either an effort that highlights limitations of his reasoning skills or a troll. It’s hard to see it any other way.’ 1119538
Reposted by Mitch KellerMark Joseph Stern @mjsdc.bsky.social · 30/06/2026The vote on the constitutional question in the birthright citizenship case is an absolute scandal slate.com/news-and-pol... 11581167
Reposted by Mitch KellerMitch Keller Photography @mitchkeller.photos · 29/06/2026Happy pride from Chicago! #bluehourphotography #blueskyartshow #pridemonth 091
Mitch Keller @mitchkeller.phd · 23/06/2026I have Josiah (Jed) Bartlet and Leo Thomas McGarry. Jed doesn’t really have a silly nickname, although sometimes I do call him my chonky boy. Leo has this very squeaky meow, so he often gets called Squeaky. If Lord John Marbury made an appearance, he would undoubtedly call him Gerald. 010
Reposted by Mitch KellerOscar Levin @oscarlevin.com · 17/06/2026Thinking about #accessibility for your #math course materials for the Fall semester? Join @mitchkeller.phd and me for a virtual 3-day workshop next week hosted by the Ohio section of the MAA: More at mathtech.org/workshops/oh...mathtech.orgOhio MAA 2026 Summer WorkshopShowcasing open-source technologies that innovate mathematics education and communication. 163
Reposted by Mitch KellerSlate @slate.com · 22/05/2026A lesson on social network discrimination for the Supreme Court. slate.trib.al/m462A5zslate.trib.alSam Alito’s Math on “Color-Blindness” Doesn’t Check OutThe math will not change. The only question is whether our laws will reckon with it. 025
Reposted by Mitch KellerPatrick Chovanec @prchovanec.bsky.social · 13/05/2026Watching a series of former Confederate states rush to eliminate any vestige of black representation in the House pretty much answers the question whether the Voting Rights Act was still necessary. 233168365157
Mitch Keller @mitchkeller.phd · 13/05/2026I 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. 010
Mitch Keller @mitchkeller.phd · 08/05/2026#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. 093
Mitch Keller @mitchkeller.phd · 22/04/2026Oh, hey, it’s @uwmadisonmath.bsky.social’s @jsellenberg.bsky.social getting elected to AAAS! 050
Reposted by Mitch KellerJon Becker @jonbecker.bsky.social · 18/04/2026Well, well, well... the deadline for compliance with the new Title II accessibility guidelines has been extended by a year (or two, depending on the size of your organization) 5134
Reposted by Mitch KellerMitch Keller Photography @mitchkeller.photos · 14/04/2026Blue Hour View from the Citadella In honor of Hungary 🇭🇺 voting to stand for freedom and democracy yesterday, here’s a shot from my recent trip. Pentax K-3 iii smc Pentax-DA 18–270mm at 88mm stitched to a panorama in Lightroom Classic 141
Mitch Keller @mitchkeller.phd · 12/04/2026Spent 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.) 130
Mitch Keller @mitchkeller.phd · 01/04/2026I 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. 000
Reposted by Mitch KellerCarter @magnacartergt.bsky.social · 25/03/2026had a dream where i was taking a math final. on page 2 was a problem i immediately recognized as an "x choose y" problem @mitchkeller.phd 111
Mitch Keller @mitchkeller.phd · 14/03/2026This is undoubtedly the home of the Math Department at Bee State University. 040
Mitch Keller @mitchkeller.phd · 05/03/2026Always read Chris’s reporting, but today make sure you make it to the end for the courthouse mystery! 112321
Mitch Keller @mitchkeller.phd · 26/02/2026This 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 1/9 3110
Reposted by Mitch KellerMAA @joinmaa.bsky.social · 25/02/2026Dr. Camille McKayle has been named the next Executive Director of the MAA, effective September 1, 2026. A mathematician and experienced STEM leader, she brings deep commitment to mathematics education and the mathematical community. Read more: bit.ly/4kUylOU 051
Mitch Keller @mitchkeller.phd · 19/02/2026We 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!math.wisc.eduMS-ACM ProgramThe MS in Applied and Computational Mathematics provides students with a broad, modern training in applied and computational mathematics, and in the mathematics of data. The program serves students... 021
Mitch Keller @mitchkeller.phd · 18/02/2026Two @uwmadisonmath.bsky.social colleagues on this list! 041
Reposted by Mitch KellerChris Geidner @chrisgeidner.bsky.social · 17/02/2026I just saw a bunch of the credulous reporting on this new conflicts check system, and, my god, it's so embarrassing. Please, read and subscribe to Law Dork for independent legal journalism. Save yourself from the bullshit.lawdork.comSCOTUS changed the rules for bringing cases to the court because John Roberts won't sell his stocksRoberts and Alito are the only two justices who own individual stocks. Also: A new lawsuit challenges the Trump admin's removal of the Pride flag at the Stonewall Monument. 3326134
Reposted by Mitch KellerStarfire’s Deranged Neocon Foreign Policy Podcast @irhottakes.bsky.social · 09/02/2026Yes, Mister Bunny’s performance was obviously political. But I think everything short of gargling a meth addicted klansman’s truck nuts comes across as an implicit denunciation of the president nowadays. 858367
Reposted by Mitch KellerChris Geidner @chrisgeidner.bsky.social · 08/02/2026I took my time with this one — almost as much time as Jones took after arguments to write her opinion backing Trump — because I think it’s a very important, alarming ruling. So, yes, I hope folks do read this. www.lawdork.com/p/fifth-circ... 5257120
Reposted by Mitch KellerCarl T. Bergstrom @carlbergstrom.com · 30/01/2026House Minority Leader Hakeem Jeffries (D-N.Y.) on Thursday said House Democrats will demand that CBP be banned from squaring the circle, trisecting angles with straightedge and compass. 41399
Mitch Keller @mitchkeller.phd · 29/01/2026🤦♂️ Sadly, there were 44 comments before mine, and I was the first to point out that this is nonsense. 250
Reposted by Mitch KellerSteve Vladeck @stevevladeck.bsky.social · 24/01/2026This sure seems more like the tyranny the Constitution is supposed to protect against than forgiving student loans. 6183372246
Mitch Keller @mitchkeller.phd · 22/01/2026Sure 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. 020
Reposted by Mitch KellerLaura Jedeed @laurajedeed.bsky.social · 13/01/2026A few months ago, ICE hired me I didn't sign and submit any paperwork. I almost certainly failed the drug test. I'm real outspoken about my opposition to the Trump administration, and I am extremely googlable And yet, there it was, in plain English. "Welcome to ICE!" My latest for Slateslate.comYou’ve Heard About Who ICE Is Recruiting. The Truth Is Far Worse. I’m the Proof.What happens when you do minimal screening before hiring agents, arming them, and sending them into the streets? We're all finding out. 345146255852
Mitch Keller @mitchkeller.phd · 08/01/2026Or conferences organized by international professional societies 1122
Mitch Keller @mitchkeller.phd · 26/12/2025Festive 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). 140
Mitch Keller @mitchkeller.phd · 18/12/2025Sign 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.) 030