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Followers
91
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Ulrich Pennig
Known for
5 views
Today in the Abacws building in Cardiff: Maths Adventures Day #MAD23 . There are 9 stalls with hands-on activities spread across the foyer, 9 popularised talks, 5 workshops and 1 demonstration session! #Cardiff #Maths #Outreach
2 views
The Maths graduation event happened today at Cardiff University. #Cardiff #Maths #graduation
📊 Post engagement
Recent posts · likes + reposts
Nov 26latest
4
Avg engagement / post
1–5
Typical post (engagement)
4.4%
Engagement vs followers
48/100
Variable reach
Nov 2022
On Mastodon since
Half of recent posts land between 1 and 5 likes + reposts (median 2) — reach is spiky, driven by the occasional post that pops.
🔥 Top post: *switches on a megaphone* - *clears throat* - *tries to spe...* · 17 likes + reposts
📊 Activity & format
Posting cadence
0.07 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 9 text · 3 image · 0 video.
Follower / following
0.6×
Follows 158 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
I love Vietnamese coffee.
Veritasium made an interesting video about perfect numbers, following the question:
Are there any odd perfect numbers?
https://www.youtube.com/watch?v=Zrv1EDIqHkY
The next meeting of our little research network "Operator Algebras in the South of the UK" will take place in Oxford. It will be a 2-day event scheduled for 15th - 16th March 2024. The network has four main hubs: Bath, Cardiff, Oxford and …
Are you organising a maths-related (online) seminar? Our former Cardiff student (and now PhD candidate) Owen Tanner is interested in topological full groups. This class of groups contains prominent examples such as the Higman-Thompson grou…
The Maths graduation event happened today at Cardiff University. #Cardiff #Maths #graduation
If you are interested in more details: I have recently given a talk about this at the INI. https://www.youtube.com/watch?v=ewECxBDgNC8
Automorphism groups of C*-algebras are really interesting: Take the compact operators for example. All automorphisms are inner in the sense that they are given by conjugation by a unitary. The centre of the unitary groups drops out when co…
Today in the Abacws building in Cardiff: Maths Adventures Day #MAD23 . There are 9 stalls with hands-on activities spread across the foyer, 9 popularised talks, 5 workshops and 1 demonstration session! #Cardiff #Maths #Outreach
It is my pleasure to announce the first meeting of the regional network "Operator Algebras in the South of the UK" (https://sites.google.com/view/operatoralgebrasinthesouth), which will take place on 3rd March 2023 in Cardiff. #Mathematics…
Someone crashed the library responsible for rendering reality. #Cardiff #Fog
Does anyone here have experience with #Gradescope ? Especially its use for marking #Maths exams. #academia #teaching
🐘 Community & instance
Home server
mathstodon.xyz
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
On Mastodon since
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 4 views per post.
📤Posts about 0.1× per week.
🕵️ Fake follower check
Estimated66/100
Good
Credibility score
89%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 89% real, active audience · Low fake-follower risk.
- Engagement (~4.4% of followers engage each post) is around typical for Mastodon.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Reader at Cardiff University in Algebra and Topology (he/him)
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