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🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
373
Account age
7 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 Jim Fowler
Known for
29 views
It's Gauss, but drawn using Legendre symbols
![The Goose-Bonnet theorem says \[ \frac{1}{2\pi} \int_M K \, dA = \chi(M) \]](/img?u=https%3A%2F%2Fmedia.mathstodon.xyz%2Fmedia_attachments%2Ffiles%2F112%2F837%2F376%2F218%2F258%2F654%2Fsmall%2F3dc22e2912b8f737.png)
21 views
The Goose-Bonnet theorem says \[ \frac{1}{2\pi} \int_M K \, dA = \chi(M) \]
12 views
I saw these dice at ISAC at UChicago; despite being super old (from Roman Egypt!) the dots on each face are displayed like today's dice, and the opposite sides sum to seven -- but the handedness of the dice isn't consistent!
11 views
Riemann Rocks!
📊 Post engagement
Recent posts · likes + reposts
Feb 8latest
14
Avg engagement / post
3–12
Typical post (engagement)
3.8%
Engagement vs followers
39/100
Variable reach
Dec 2018
On Mastodon since
Half of recent posts land between 3 and 12 likes + reposts (median 6) — reach is spiky, driven by the occasional post that pops.
🔥 Top post: <a,b> for open interval ≤a,b≥ for closed interval · 70 likes + reposts
📊 Activity & format
Posting cadence
0.1 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 8 text · 4 image · 0 video.
Follower / following
0.7×
Follows 502 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
The Koszul formula doesn't help me to solve the Connections puzzle at all.
Trying to prove some map is a bijection: "Experience Bij!"
Arrived at the JMM
I saw these dice at ISAC at UChicago; despite being super old (from Roman Egypt!) the dots on each face are displayed like today's dice, and the opposite sides sum to seven -- but the handedness of the dice isn't consistent!
p(1d6 + 4d4 + 1d8 + 1d20 ≥ 37) = 2/15 inspired by xkcd.com/3015/
There must be tables of these somewhere?
p(2d4 + 2d8 + 1d12 + 1d20 ≥ 40) = 35113/245760 ≈ 1/7
Some DnD book explains methods to get 1/7th?
I help run https://rossprogram.org/ and our biggest challenge is that we don't have enough spots for all the amazing applicants who want to join.
We need more summer math programs! If you’ve ever thought about starting your own, check out …
I've thought a lot about "This place is not a place of honor; no highly esteemed deed is commemorated here; nothing valued is here."
But only today did I learn about the https://en.wikipedia.org/wiki/Ray_cat
Riemann Rocks!
The Goose-Bonnet theorem says \[ \frac{1}{2\pi} \int_M K \, dA = \chi(M) \]
It's Gauss, but drawn using Legendre symbols
I saw these dice at ISAC at UChicago; despite being super old (from Roman Egypt!) the dots on each face are displayed like today's dice, and the opposite sides sum to seven -- but the handedness of the dice isn't consistent!
p(1d6 + 4d4 + 1d8 + 1d20 ≥ 37) = 2/15 inspired by xkcd.com/3015/
There must be tables of these somewhere?
p(2d4 + 2d8 + 1d12 + 1d20 ≥ 40) = 35113/245760 ≈ 1/7
Some DnD book explains methods to get 1/7th?
I help run https://rossprogram.org/ and our biggest challenge is that we don't have enough spots for all the amazing applicants who want to join.
We need more summer math programs! If you’ve ever thought about starting your own, check out …
I've thought a lot about "This place is not a place of honor; no highly esteemed deed is commemorated here; nothing valued is here."
But only today did I learn about the https://en.wikipedia.org/wiki/Ray_cat
Riemann Rocks!
The Goose-Bonnet theorem says \[ \frac{1}{2\pi} \int_M K \, dA = \chi(M) \]
It's Gauss, but drawn using Legendre symbols
🐘 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
Dec 2018
An OG fediverse account from Mastodon's early years — a long, established presence.
💡 Facts
🗓️Joined Mastodon in 2018 — 7 years ago.
👁️Averages 14 views per post.
📤Posts about 0.1× per week.
🕵️ Fake follower check
Estimated75/100
Good
Credibility score
92%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 92% real, active audience · Low fake-follower risk.
- Engagement (~3.8% of followers engage each post) is around typical for Mastodon.
- Verified account.
- Established account (7+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
A mathematician at the Ohio State University.
📸 Gallery
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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10%
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Frequently asked questions
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Jim Fowler has 373 followers on Mastodon.
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