Andrew D. Hwang✓ Add us as a preferred source on Google
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Followers
510
Account age
2 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 Andrew D. Hwang
Known for
109 views
Over my years in academia, I helped create a variety of free online mathematical materials. Pirouette is a Spirograph clone that runs in a web browser. I hope you and your students enjoy the software! Read more:
https://www.diffgeom.com/blogs/free-online-math-materials/pirouette/
#Math #MathArt #ITeachmath
39 views
When revolved about its axis, this torus knot appears to undergo "smoke-ring roll." Because the model isn't completely smooth, you may have to de-focus your attention a little to see this.
#Math #MathArt
35 views
Another stop-motion loop of a 3D-printed nylon model, this time of an Enneper-type minimal surface.
Because the surface is invariant under the composition of reflection in the equatorial plane and rotation by 1/12 of a turn about an orthogonal axis, the reflection in the CD may be surprising.
#Math #MathArt #SciArt #3DPrinting #StopMotion
27 views
#Math #MathArt #SciArt
📊 Post engagement
Recent posts · likes + reposts
Jun 28latest
27
Avg engagement / post
10–27
Typical post (engagement)
5.3%
Engagement vs followers
56/100
Consistent reach
Nov 2023
On Mastodon since
Half of recent posts land between 10 and 27 likes + reposts (median 23) — a dependable floor a sponsored post can count on.
🔥 Top post: Over my years in academia, I helped create a variety of free onl · 109 likes + reposts
📊 Activity & format
Posting cadence
0.23 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly video
Recent: 0 text · 3 image · 9 video.
Follower / following
1.1×
Follows 465 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
🔥 Top post
Over my years in academia, I helped create a variety of free online mathematical materials. Pirouette is a Spirograph clone that runs in a web browser. I hope you and your students enjoy the software! Read more:
https://www.diffgeom.com/blogs/free-online-math-materials/pirouette…
This mowed hillside immediately suggested a logistic differential equation. Still, the closeness of fit after picking a couple of parameters (not too carefully) was surprising.
#Math #MathArt #MathInTheWild #SciArt
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When revolved about its axis, this torus knot appears to undergo "smoke-ring roll." Because the model isn't completely smooth, you may have to de-focus your attention a little to see this.
#Math #MathArt
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A 3D-printed rigid nylon object filmed on a phonograph turntable.
Under continuous lighting there are fewer possibilities for this type of visual illusion than under a strobe light: Invariance under a continuous action of the additive real…
▶
An animation based on a prospective postcard image.
The pewter conformal honeycomb torus was drawn using the LaTeX picture environment (ePiX+PSTricks).
#Math #MathArt #SciArt
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An animated version of the postcard "Nimbus," part of the mathematical postcard set "You Are Here."
https://www.diffgeom.com/product/you-are-here-postcard-pack/
#Math #MathArt #SciArt
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This commercially 3D-printed torus knot plays off the classic barber pole illusion, converting rotation about an axis into an appearance of non-rigid "smoke-ring roll."
I had it printed in late summer 2024 for an AMS session talk on contin…
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Another stop-motion loop of a 3D-printed nylon model, this time of an Enneper-type minimal surface.
Because the surface is invariant under the composition of reflection in the equatorial plane and rotation by 1/12 of a turn about an orthog…
▶
#Math #MathArt #SciArt #3DPrinting #StopMotion
▶
When I was a student, the descriptions of multi-valued complex graphs obtained by suitably-joined slit planes always rankled, at least a little.
This unit circle \(z^{2} + w^{2} = 1\) with a portion of the \(z\)-plane at bottom, animated t…
▶
#Math #MathArt #SciArt
"An Invitation to Real Analysis" has gone to press, and is available for pre-order on August 21. The book was substantially shaped by my own experiences, in person and at math.stackexchange, clarifying common confusions and conceptual hurd…
🐘 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
Nov 2023
An established account with real history on the platform.
💡 Facts
🗓️Joined Mastodon in 2023 — 2 years ago.
👁️Averages 27 views per post.
📤Posts about 0.2× per week.
🕵️ Fake follower check
Estimated70/100
Good
Credibility score
87%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 87% real, active audience · Low fake-follower risk.
- Engagement (~5.3% of followers engage each post) is around typical for Mastodon.
- Verified account.
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Unpinned posts are deleted after 3 months.
#mathematics #MathArt
📸 Gallery
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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