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1.1K

Account age

9 yrs

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Known for

To celebrate the end of classes this year, here's something fun I made.
(It's from a little over a year ago, and is related to my older Hopf fibration stuff. I spent so long trying to decide what else to do with it that I never got around to doing anything. So, let's call it done!)

34 views To celebrate the end of classes this year, here's something fun I made. (It's from a little over a year ago, and is related to my older Hopf fibration stuff. I spent so long trying to decide what else to do with it that I never got around to doing anything. So, let's call it done!)

7 views I remember being stunned to learn that kids were putting emoji in their git commit messages, but now *this*!!??

Continuing the previous post, here is the monoidal naturality diagram for two objects z and w:
Checking the a-parity, one composite is even but the other is odd. So, the two composites around the diagram are not generally equal. In particular, they are not equal when z and w are the unit object, 0, and a is a free invertible generator.
The paragraph after the diagram gives this explanation: conj

1 views Continuing the previous post, here is the monoidal naturality diagram for two objects z and w: Checking the a-parity, one composite is even but the other is odd. So, the two composites around the diagram are not generally equal. In particular, they are not equal when z and w are the unit object, 0, and a is a free invertible generator. The paragraph after the diagram gives this explanation: conj

📊 Post engagement

📊 Activity & format

Posting cadence

1.1 / week

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

Content mix

Mostly text

Recent: 9 text · 2 image · 1 video.

Follower / following

2.6×

Follows 418 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗

▶ 🔥 Top post To celebrate the end of classes this year, here's something fun I made. (It's from a little over a year ago, and is related to my older Hopf fibration stuff. I spent so long trying to decide what else to do with it that I never got around to doing anything. So, let's call it d… ★ 34

I tried out Home Assistant and now my network printer works correctly every time from every device. I have no idea why!! I am both amazed and terrified. I have to stress: I have done *nothing* to make that work, other than set up Home As… ★ 2

I remember being stunned to learn that kids were putting emoji in their git commit messages, but now *this*!!?? ★ 7 tired: working on my home network wired: conducting my serial experiments ★ 4 The latest occurrence: my equation references are typeset with a number in parentheses, like (2.3.5), and somehow the parentheses were part of the hyperlink when referencing a single equation, but *not* when referencing multiple equations,… ★ 1 I still have my reservations about zref-clever [1], but so far the things that I thought were bugs have been resolved by me learning more how to use it. I find the documentation very hard to read, in the particular way of something writte… ★ 2 oof; if you're confused about why the company name is sometimes "Strave", and someties "Straive", so am I! I just realized they use both spellings, and straive.com (with an AI in the middle) is even more embarrassing. ★ 1 Oh, and what journal is this for? It's Applied Categorical Structures https://link.springer.com/journal/10485 The automated emails we get say "Straive is a service provider of Springer Nature". I already didn't love publishing in Springe… ★ 5 The people handling typesetting for my most recent article are from a company called Straive; here is their website: https://straive.com/ If you're thinking, wow, this looks like a group that definitely knows about and cares about mathemat… ★ 22 Sometimes someone well-known and highly-respected says something so flatly stupid that it boggles the mind. I actually can't concentrate because I'm so... bewildered. I would say let's take a lunch break, but *I've already done that*. I… ★ 10 Finally, I want to conclude with a mention of the related literature. Monoidal categories where every morphism and every object is assumed to be invertible are sometimes called *2-groups*. When the monoidal structure is symmetric, they're… ★ 2

Continuing the previous post, here is the monoidal naturality diagram for two objects z and w: Checking the a-parity, one composite is even but the other is odd. So, the two composites around the diagram are not generally equal. In parti… ★ 1

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mathstodon.xyz

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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

May 2017

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

💡 Facts

🗓️Joined Mastodon in 2017 — 9 years ago.

👁️Averages 8 views per post.

📤Posts about 1.1× per week.

🕵️ Fake follower check

Estimated

52/100

Fair Credibility score

76%

Mixed Real audience

Medium Fake-follower risk

High Data confidence

Est. 76% real, active audience · Medium fake-follower risk.
Low engagement (~0.7% of followers engage each post) — a sign of an inflated or inactive audience.
Verified account.
Established account (9+ years old).

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

About

Working in topology and category theory Professor, Ohio State at Newark

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🔀 Audience overlap

Estimated

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

Chilly :donor: 🛡️ :gayint: :ifin: 18%

Jostein SN 17%

DoubleTreble 🥰🇵🇸🌍🇺🇦😺💚🧶🫖 16%

tylerhall 14%

Jennifer Johnson 13%

ichbinLauter 12%

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