Ulrik Buchholtz
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Followers
483
Account age
9 yrs

Known for

📊 Post engagement

24
Avg engagement / post
5%
Engagement vs followers
May 2017
On Mastodon since

🔥 Top post: Oh no, Thomas Streicher, who was a great friend and mentor to me · 73 likes + reposts

📊 Activity & format

Posting cadence
0.09 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 9 text · 3 image · 0 video.
Follower / following
2.1×
Follows 226 back. A more reciprocal / networked account.
🔥 Top post Oh no, Thomas Streicher, who was a great friend and mentor to me, passed way yesterday. Thomas was always very supportive (though often skeptical in a mentoring way), and brought me to Darmstadt, where I spent six wonderful years. He’s known for finding, with the also late Marti… ★ 73
I’m in Venice for the 7th Workshop on Formal Topology: https://events.math.unipd.it/7wftop/ – We already had some great talks by Thierry Coquand, Maria Manuel Clementino, and Steve Vickers. If you’re jealous, you can console yourself that … ★ 34 I'm in Paris at @LipnLab to give a three-part mini-course on synthetic homotopy theory at the Université Sorbonne Paris Nord in Villetaneuse, starting today at 16:00 CET. It'll also be streamed and recorded via BigBlueButton; see the webpa… ★ 50 I haven't seen this announced here: My colleague Thorsten Altenkirch launched a new podcast #aboutlogic together with cohost @DenizPhiMa – I enjoyed the first three episodes with Thorsten, Deniz, and @xenaproject, respectively. Find it in … ★ 39 At the School of Computer Science at the University of Nottingham, we just opened applications for a limited number of PhD studentships. They are open to students of any nationality, but non-home students must be able to cover the addition… ★ 12 It’s not every day you get to witness one of the largest cranes in the world gently lifting a bridge in place. ★ 18 Arrived in Vienna for the Logic Colloquium 2025. Come say hi, if you’re around. I’ll talk on Thursday on some logical aspects of my recent work with @danielgratzer and Jonathan Weinberger on simplicial type theory. ★ 11 Section 4 is a walking meditation on Engelbartian themes, from Wittgenstein and Anscombe, via Turing and Dijkstra, to recent work on embodied augmentation: https://open.substack.com/pub/fortunebuchholtz/p/high-mood-a-series-on-our-augmente… ★ 3 In Section 3, Fortune talks about the Freudian psychology of working with LLMs, Extreme Programming inventor Kent Beck’s “Tidy First”, Toyota's Set-Based Concurrent Engineering (not that kind of set!), and more, still through the Engelbart… ★ 2 My better half is writing a series on her substack on how to view the current attempts at augmented coding via LLMs through the lens of Doug Engelbart's framework of tools for collective intelligence amplification. The first two installmen… ★ 12 At the School of Computer Science at the University of Nottingham, we just opened applications for 10 fully funded PhD studentships. Please see here for details on joining us at the Functional Programming Lab: https://people.cs.nott.ac.uk/… ★ 26 This coming term, Amartya is organizing a reading group/seminar on Sati–Schreiber's Twisted Equivariant Differential K-theory, with meetings on Discord. See here for details: https://amartyasd.github.io/TQC/ ★ 11

🐘 Community & instance

Home server
mathstodon.xyz
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
May 2017
An OG fediverse account from Mastodon's early years — a long, established presence.

💡 Facts

🗓️Joined Mastodon in 2017 — 9 years ago.
👁️Averages 24 views per post.
📤Posts about 0.1× per week.

🛡️ Audience credibility

89/100 Excellent
  • Est. 99% real, active audience · Low fake-follower risk.
  • Strong engagement (~5.0% of followers engage each post) — an active, real audience.
  • Verified account.
  • Established account (9+ years old).
Est. authentic audience
99%
Fake-follower risk
Low
Data confidence
High

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

I'm a logician/computer scientist/mathematician who likes to work on homotopical and/or foundational matters, often related to homotopy type theory. Assistant professor at the School of Computer Science at the University of Nottingham.

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