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0xDE

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Mastodon @11011110@mathstodon.xyz
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🔄 Data last refreshed 6 days ago
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Make a deal with 0xDE

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

📣Sponsored postOne disclosed post (toot) with your link and message. $16→ 🧵Sponsored threadA multi-post explainer or story — the fediverse rewards depth over one-liners. $40→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Authenticity is the only ad this audience tolerates. $21→ 📌Pinned sponsored postA disclosed post pinned to the top of my profile for the month. $48/mo→ 🔗Profile link (bio field)Your link in one of my profile metadata fields for the month — native and low-key. $24/mo→ 🔁Boost packageI boost (repost) your account's toots through the month — distribution with zero content lift. $32/mo→ 🏛️Instance / community sponsorshipSponsor the server I run — a sponsor line in the About/rules and a welcome shout. A goodwill buy that keeps our community running. $40/mo→ 🤝Mutual boost collabWe boost each other across instances — a value swap between communities. Swap or paid→ 🎬UGC HireBranded content for your own channels & ads from $50→ 🎙️Podcast guest spotInvite 0xDE onto your podcast (~45 min, remote) $32→ 📞1:1 ConsultPaid video call — advice, coaching or Q&A $75/hr→

Every booking is a normal escrow-protected deal.

Followers
2.6K
Account age
9 yrs
🎁 Free analysisfor 0xDE
🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

Known for

Ed Pegg sent me the image below illustrating some of the minimal geometric independent dominating sets (small sets of grid points with no three in line to which no additional grid point can be added) from my EuroCG'21/CGTA'23 paper with Aichholzer and Hainzl, "Geometric dominating sets – A minimum version of the no-three-in-line problem" (https://ics.uci.edu/~eppstein/pubs/p-geomdom.html). Ed has 23 views Ed Pegg sent me the image below illustrating some of the minimal geometric independent dominating sets (small sets of grid points with no three in line to which no additional grid point can be added) from my EuroCG'21/CGTA'23 paper with Aichholzer and Hainzl, "Geometric dominating sets – A minimum version of the no-three-in-line problem" (https://ics.uci.edu/~eppstein/pubs/p-geomdom.html). Ed has We found this today on Little River Beach (Mendocino County, California)7 views We found this today on Little River Beach (Mendocino County, California)

📊 Post engagement

Recent posts · likes + reposts
Jun 28latest
12
Avg engagement / post
4–10
Typical post (engagement)
0.5%
Engagement vs followers
41/100
Variable reach
Apr 2017
On Mastodon since
Half of recent posts land between 4 and 10 likes + reposts (median 6) — reach is spiky, driven by the occasional post that pops.

🔥 Top post: Another mathematics journal leaving its commercial publisher, bu · 58 likes + reposts

📊 Activity & format

Posting cadence
3.9 / week
Posts several times a week.
Content mix
Mostly text
Recent: 10 text · 2 image · 0 video.
Follower / following
18×
Follows 148 back. A strong ratio — an audience that follows them, not a follow-for-follow network.

Recent posts

View on Mastodon ↗
🔥 Top post Another mathematics journal leaving its commercial publisher, but with a twist (https://retractionwatch.com/2026/06/30/editors-of-courant-math-journal-to-leave-wiley-establish-new-roots-with-independent-publisher/): usually this is accomplished by a mass resignation of the edito… ★ 58
New blog post: Integer complexity and cographs, https://11011110.github.io/blog/2026/07/19/integer-complexity-cographs.html On how the shortest arithmetic expression for \(n\) using only ones, sums, and products is related to the numbers o… ★ 10 @tao on Gilbreath's conjecture: https://terrytao.wordpress.com/2026/07/11/gilbreaths-conjecture-a-cramer-random-model-and-a-deterministic-analysis/ The first difference sequence of the prime numbers starts 1, 0, 2, 2, 2, 2, 2, 2, 4, ... . … ★ 4 RE: https://fosstodon.org/@yantar92/116879675973476785 Emacs org-mode adds support for using ltx-talk in LaTeX to produce accessible slides in tagged pdf format: ★ 4 New arXiv preprint, "Sudoku Grids That Require Many Clues" (with Cindy Zhang, a UC Irvine undergraduate), https://arxiv.org/abs/2607.05728 and new blog post, "Packing Latin squares into sudoku puzzles", https://11011110.github.io/blog/2026… ★ 10 Does anyone know a reference for the following easy theorem about estimating area by counting lattice points? Let \(J\) be a region of area \(a\) bounded by a Jordan curve of length \(p\). Then: \[|a - \#(\mathbb{Z}^2\cap J)| = O(p+1).\] P… ★ 6 Geometric models by A. Harry Wheeler in the Smithsonian Institution: https://americanhistory.si.edu/collections/object-groups/maa-charter/geometric-models-a-harry-wheeler Another set of Wheeler models that for some reason doesn't appear in… ★ 2 Ed Pegg sent me the image below illustrating some of the minimal geometric independent dominating sets (small sets of grid points with no three in line to which no additional grid point can be added) from my EuroCG'21/CGTA'23 paper with Ai… ★ 23 A reduced planar body with area greater than \(\pi\Delta^2/4\), new preprint https://arxiv.org/abs/2606.28612 by Scott Duke Kominers Here, "reduced" is a concept for two-dimensional convex bodies that is closely related to having constant … ★ 5 An American privacy emergency (https://scottaaronson.blog/?p=9902): Cynthia Dwork on how new US government regulations forbidding the Census Bureau from masking its released data under differential privacy will give us less usable data, re… ★ 3 We found this today on Little River Beach (Mendocino County, California) ★ 7 New blog post, A counterexample for Steiner triangulation, https://11011110.github.io/blog/2026/06/27/counterexample-steiner-triangulation.html and new preprint, Minimum-weight Steiner triangulation of convex polygons requires interior Ste… ★ 6

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

💡 Facts

🗓️Joined Mastodon in 2017 — 9 years ago.
👁️Averages 12 views per post.
📤Posts about 3.9× per week.

🕵️ Fake follower check

Estimated
58/100
Fair Credibility score
81%
Real Real audience
Low Fake-follower risk
High Data confidence
  • Est. 81% real, active audience · Low fake-follower risk.
  • Low engagement (~0.5% of followers engage each post) — a sign of an inflated or inactive audience.
  • Organic base — far more followers than accounts it follows.
  • Verified account.
  • Established account (9+ years old).

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

About

I'm a computer scientist at the University of California, Irvine, interested in algorithms, data structures, discrete geometry, and graph theory.

🔀 Audience overlap

Estimated

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

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