khanh

Mastodon @khanh@mathstodon.xyz

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🔄 Data last refreshed 3 days ago

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Followers

Account age

3 yrs

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🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

📊 Post engagement

Avg engagement / post

33.3%

Engagement vs followers

Jan 2023

On Mastodon since

🔥 Top post: Zariski's cake is small. You grab the cake, take a big bite, alm · 2 likes + reposts

📊 Activity & format

Posting cadence

0.35 / week

A lower-frequency account — each post lands with more weight.

Content mix

Mostly text

Recent: 11 text · 1 image · 0 video.

Follower / following

0.6×

Follows 10 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗

🔥 Top post Zariski's cake is small. You grab the cake, take a big bite, almost everything is on your mouth, except one small part sticking to your hand, that is the closed set. The cake is quasi-compact because no matter how you bite the cake, you can always finish it in finite time. ★ 2

finally, I am going to the place where Grothendieck developed his theories. The place feels sacred, like the temple of modern mathematics. Until the end of July, I let my professors know about the results, sent couple of emails asking for advice and feedback. One of them to the person I found at Bonn by reading his website which was why I sent my application to Bonn, another … ★ 1 Until May-June 2026, I quit my job, I finally took the courage to ask a math professor in NUS for his letter of recommendation. Arguably, I love his personality even more than his teaching. Since I only took one of his class, and never did… I graduated with a master degree in from NUS since May 2025, I started to explore research directions. I spent of a lot of time reading Vakil's book, learning lean, type theory, and learning how to write a type checker. About June 2025, (s… an LLM, not only it contains all the texts that have ever been written, it also contains all the texts that will ever be written - slightly better than infinite monkey type writer edit: i guess this is the time to change my password to som… We prove that gradient flow on a single dot-product self-attention layer with tied unembedding, trained on cross-entropy loss in a two-token setting, exhibits a non-monotone trajectory in the Frobenius norm of its interaction matrix: start… it was 4 years ago when I talked to my old boss that the bitcoin/blockchain trend was dumb and he told me, sometimes, I shouldn't make my prediction purely based on prior experience. It was eye-opening to me. Yes, prediction based on our i… This is a short note summarizing the proof of Martin-Löf on Girard Paradox. Formally, a system admitting the type of all types is inconsistent, that motivates the use of Type n : Type(n + 1) in Martin-Löf Type Theory https://fbundle.github… my dumb question https://math.stackexchange.com/questions/5133300/what-is-the-fastest-way-to-calculate-1234567890-times-6789012345 quick node: as a person from CS, I was always arguing with myself that term-mode is better than tactic-mode in lean4. turn out, tactic kinda makes sense at a higher level, each tactic is a collection of proofs for some statement that is es…

learning in 2025 is damn impressive, instead of grinding a predetermined sequence of thousands of pages textbooks, one can think critically, ask chatgpt, verify it themself, go online and find it, verify it themself again. what a time to b…

🐘 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

Jan 2023

Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.

💡 Facts

🗓️Joined Mastodon in 2023 — 3 years ago.

👁️Averages 2 views per post.

📤Posts about 0.4× per week.

🕵️ Fake follower check

Estimated

76/100

Good Credibility score

97%

Real Real audience

Low Fake-follower risk

Medium Data confidence

Est. 97% real, active audience · Low fake-follower risk.
Strong engagement (~0.3× of followers engage each post) — an active, real audience.
Established account (3+ years old).

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

About

Nguyễn Ngọc Khánh "wir müssen wissen, wir werden wissen"  https://fbundle.github.io

🔀 Audience overlap

Estimated

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

iRJA 15%

かびるんるん 15%

Kod thyer 14%

城間のレトロショック 13%

Haider 12%

あきさめ 10%

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khanh has 6 followers on Mastodon.

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khanh

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📊 Post engagement

📊 Activity & format

Recent posts

🐘 Community & instance

💡 Facts

🕵️ Fake follower check

About

🔀 Audience overlap

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