I've found a little cat outside our fine arts building!

It's Turingmas! Happy Turingmas, everyone!

I don't sit out elections, and especially not one when I could vote not just against Suozzi but for @votewelch.bsky.social. #IVoted

Welsh mathematician Mary Wynne Warner was born 94 years ago today. Beginning in the late 1960s, she worked on the emerging field of fuzzy mathematics (in which objects can "partially" belong to a set), becoming one of its most distinguished pioneering figures. #WomenInSTEM #MathSky #BookSky 🧮

Some days on the campaign trail are extra fun. I'm so grateful that I was invited to be a guest on iheart's Meet the Candidates series. Give it a listen! www.iheart.com/podcast/1248...

DINOSAURS ARE COOL TRANSPHOBIA IS NOT

The call for workshop proposals at #FOCS2026 is up! focs.computer.org/2026/call-fo... Submission deadline: ⏰ July 31

Watching this makes me feel like I'm a kid again and Mr. Rogers is showing me how crayons are made.

Hey Air NZ, I'm really excited about your new supersonic tech!

My mayor still Muslim My bagel’s still Jewish My Congressman's housing? Christian nationalists subsidized Knicks in five

Even if you think winning is impossible, every single vote we can get is worth investing in. Suozzi knows as well as anyone that this campaign started very late. We don't have to win to scare him. Every vote he loses to me sends a message that he must do better if he wins another term. 6/7

New York got one major upset victory in the sports world with the Knicks. How about one in the politics world in #NY03?

Respectfully, keep CUNY out of your mouth

I barely ever say this, but I'm looking for video game advice. We just finished playing Return of the Obra Dinn and loved it. Can anyone recommend a similar kind of puzzle game?

I am very pleased to see the MAA's Meritorious Service Awards announced. Our section's nominee, Janet Liou-Mark, was an amazing Chair. I'm lucky to have been her Secretary and had the chance to learn from her. 💔 maa.org/news/maa-ann...

🚨NEW BOOK ALERT🚨 Effective Metric Structure Theory by @johannamath.bsky.social et al., Springer 2026. link.springer.com/book/10.1007...

Good morning! If you can, please donate to my campaign so Suozzi loses his job in 3 weeks. votewelch.com

Reminder that Klingons say TRANS RIGHTS BRING HONOR TO YOUR HOUSE

Hi friends, if you've ever been repulsed by one of my congressman Suozzi's many repulsive votes, you can help out his primary challenger here!

and a very happy Glorious Twenty-Fifth of May to you all

Ewwww. #Duolingo just served me a Glock ad.

Credit where it's due: I am glad Suozzi did this. Good news for NY-03: I would also do everything I coule to stop this outrageous fund to compensate insurrectuonists AND, unlike Suozzi, I won't support things like Charlie Kirk Day, Laken Riley. FISA, CORCA, sending more money to ICE/DHS...

DON'T MAKE ME TAP THE SIGN

I’m late to this, but congrats to Janpreet, Isaiah, Parker, and Shahad on their successful presentations at Hofstra’s undergraduate research day! Always a fun end to the semester to see the culmination of student led research efforts. #PUI #proudpi

One Commencement down, one to go!

We took to the streets in Montgomery, Alabama, for the National Day of Action in defense of our voting rights. We will not go back to Jim Crow maps. Black voters deserve to have our voices heard.

Grades are in! Standards-based grading makes the last week of the semester terrible, but it's so worth it to get a light finals week (among all the other nobler reasons 😇).

OF COURSE SUOZZI VOTED YES. Because why not give DHS even more power and resources? They're doing such good and not at all harmful work. /s Please help me replace him. Primary is June 23. www.votewelch.com

Finals are over, and I'm hanging up the awards our majors gave me! I'm flattered. First year for Fastest Grader! #MathSky

For women in math day, let's remember that the US just bombed Maryam Mirzakhani's alma mater.

We lost Douglas Adams 25 years ago today. This has made a lot of people very sad and has been widely regarded as a bad move.

Instructions for my calculus students at this morning's final that look far weirder if you don't know "AI" stands for "applications of integration" in my class. #MathSky

Breaking our promises and letting people suffer is not putting America First. If America is to be first, let it be first in love. First in Justice. First in freedom. First in hope. Not whatever the hell is happening now. youtu.be/n6B_hSsmC9A?...

The goal in 2026/28 cannot be getting back to what was normal before Trump. What was normal before Trump got us here. That's why it isn't enough to flip the House this year. We have to stop sending complacent cowards to the halls of Congress, and my opponent, Tom Suozzi, is part of the problem.

Democracy needs you. Are you in? https://votefwd.org/campaigns

Anyone want to guess what we did in second semester real analysis today? #MathSky

It's alive! We've reanimated the Cascade Topology Seminar, which will hold its first meeting in three years at Portland State University May 30-31 this year. Please join us! Limited travel support available to early career researchers (funding deadline May 14). sites.google.com/view/cascade... 🧮

Look what I got today!

Hey there, Tom Suozzi officially has a primary challenger! If you've ever complained about Suozzi here, get out there for Danielle! 🗳️

So this is what my Calc 1 class came up with and solved this morning. There was applause at the end. #MathSky

The Hofstra tulips are blooming!

Excited to announce that the application for Rethinking Number Theory 7 is open! This is a virtual research workshop with 6 excellent number theoretic projects. June 22 - July 3. Application on our website. Please share widely and DM me if you have questions! sites.google.com/view/rethink...

If you work, you owe your thanks to former labor Secretary Frances Perkins – the architect behind the 40-hour workweek, the minimum wage, unemployment insurance, and Social Security. On her birthday today and every day, America’s unions celebrate her legacy and leadership.

Some of you are also voting in the spring and summer in democratic primaries. Some dems, like @tomsuozzi.bsky.social, have repeatedly opposed impeachment, censured fellow dems, STILL have said nothing about the threats against Iran, and are generally failing to meet this moment. We can do better.

Our PhD student Kennedy Orwa, who studies applications of AI to health care, was hastily deported today to Kenya along with his 13-year-old son without opportunity to speak to legal counsel. King 5 reports that he held a valid visa that was rescinded without explanation.

Officially published! The three of us agreed to start writing this book together almost exactly three years ago, and I'm delighted that it's available. #MathSky link.springer.com/book/10.1007...

🚨NEW PAPER ALERT🚨 Julia Knight, Karen Lange, et al., "Computable Π_2 Scott Sentences," Journal of Symbolic Logic, online first, pp. 1-24 www.cambridge.org/core/journal...

Except for Pete Hegseth, whom I wish a somber and studious Easter, because whatever chatGPT summary of the Bible he is relying on has failed him and he should feel bad.

Happy Easter! Hope the Easter kaiju visits you all.