Jan van den Heuvel

Jan van den Heuvel

Mastodon @janvadehe@mathstodon.xyz
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Make a deal with Jan van den Heuvel

🔒 Paid proposals held safely in escrow — released only when the work's approved.

📣Sponsored postOne disclosed post (toot) with your link and message. $12→ 🧵Sponsored threadA multi-post explainer or story — the fediverse rewards dept… $30→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Auth… $16→ 📌Pinned sponsored postA disclosed post pinned to the top of my profile for the mon… $36/mo→ 🔗Profile link (bio field)Your link in one of my profile metadata fields for the month… $18/mo→ 🔁Boost packageI boost (repost) your account's toots through the month — di… $24/mo→ 🏛️Instance / community sponsorshipSponsor the server I run — a sponsor line in the About/rules… $30/mo→ 🤝Mutual boost collabWe boost each other across instances — a value swap between … Swap→

Every booking is a normal escrow-protected deal.

Followers
90
Account age
9 yrs

📊 Post engagement

3
Avg engagement / post
3.3%
Engagement vs followers
Jun 2017
On Mastodon since

🔥 Top post: Great job opportunity in a fantastic department which I can't re · 5 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 · 0 image · 0 video.
Follower / following
0.4×
Follows 256 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗
🔥 Top post Great job opportunity in a fantastic department which I can't recommend enough: a great place to work. (I'm still there after almost 30 year.) https://jobs.lse.ac.uk/Vacancies/W/1349/0/457569/15539/assistant-professor-in-mathematics/ ★ 5
Another UK mathematics department threatened with redundancies and closure of its degrees. Sign the letter to support mathematics at the University of Dundee: https://www.ems.ac.uk/open-letter-dundee/. ★ 4 Signed: Leiden Declaration on Artificial Intelligence and Mathematics https://leidendeclaration.ai/ ★ 2 We've all been there: "Local error in case 2.2.2.2.2.2.4." 🤔 https://arxiv.org/abs/2304.01925 ★ 2 James Hirschfeld retires after 60(!) years: https://www.bbc.com/news/articles/c5y7z4jkny4o. ★ 2 Oh oh, they're on to us ... https://www.smbc-comics.com/comic/precise. ★ 1 Nice tribute to Bill Jackson, who retired from Queen Mary University of London this year: https://www.seresearch.qmul.ac.uk/ccant/news/4784/retirement-of-professor-bill-jackson/. ★ 1 Great news for combinatorics: Wolf Prize go Noga Alon: https://wolffund.org.il/noga-alon/; and Adi Shamir: https://wolffund.org.il/adi-shamir/. ★ 3 We (Mathematics @ London School of Economics & Political Science) are recruiting: Assistant Professor (Education) and Assistant Professor (with expertise in an area related to Computational Financial Mathematics). See https://www.lse.ac.uk… ★ 4

🐘 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
Jun 2017
An OG fediverse account from Mastodon's early years — a long, established presence.

💡 Facts

🗓️Joined Mastodon in 2017 — 9 years ago.
👁️Averages 3 views per post.
📤Posts about 0.1× per week.

🛡️ Audience credibility

80/100 Excellent
  • Est. 97% real, active audience · Low fake-follower risk.
  • Strong engagement (~3.3% of followers engage each post) — an active, real audience.
  • Established account (9+ years old).
Est. authentic audience
97%
Fake-follower risk
Low
Data confidence
High

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

About

LSE mathematician; coffee addict; cycles for transport. He/him.

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

janosbetko janosbetko 18% Alex Moundalexis 😷 Alex Moundalexis 😷 17% Leif Lindholm Leif Lindholm 16% dash dash 15% NU Journalism NU Journalism 14% Scott Russell Scott Russell 12%

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