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Meru

@meruscales.bsky.social
107 followers 440 following 29 posts

I like shapes

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Meru @meruscales.bsky.social · 01/10/2026
A few years ago I doodled all the topologies that can exist on a 3 point set; and an incomplete doodle of the poset they form. Eventually I wanna do a cool digital mock-up of this but am so busy, so thought I’d just post this in the meantime.
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Meru @meruscales.bsky.social · 01/10/2026
Sketch of a 3-5-7-9-11 eikosany I did many months ago, with note names quantized to 72EDO and a 1/1 on C (Wyschnegradsky accidentals).
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Meru @meruscales.bsky.social · 01/10/2026
i hear "I BOUGHT THIS"
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Meru @meruscales.bsky.social · 01/10/2026
I might be able to help; shoot me a message.
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Meru @meruscales.bsky.social · 06/07/2026
Hey I was checking out your bsky because I loved your AC panel so much. I’m a research mathematician with years of tutoring experience and I’d be happy to help out if you have any questions!
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Meru @meruscales.bsky.social · 05/02/2025
Are you doing anything specific with the tuning system of your pitches?
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Meru @meruscales.bsky.social · 01/01/2025
unless you're using a p-adic absolute value, in which case the "height" between numbers comes from how much of a prime is contained in their distance
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Meru @meruscales.bsky.social · 19/12/2024
Maybe leaving the Democratic party, not showing up to vote for weeks, only showing up to vote *against* the Democrats maintaining control of the NLRB (vote failed 48-52, her and Manchin are the 2), and screwing over the American working class in the process played some part.
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Meru @meruscales.bsky.social · 18/12/2024
One thing thing “Geometry of Schemes” does is scatter problems throughout the text instead of at the end. This makes the learning process feel really active. The Gouvêa “p-adic Numbers” book does this too and no surprise is another fantastic read.
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Meru @meruscales.bsky.social · 18/12/2024
It’s very low level (doesn’t get to schemes) but if you’ve never seen the subject before it’s a fantastic book. If you want a fun, readable follow-up, “The Geometry of Schemes” is very nice, written as if someone is teaching you
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Meru @meruscales.bsky.social · 18/12/2024
All the best math textbooks are written in a way that makes them enjoyable to read, not just spitting ideas at you (Miles Reid’s “Undergraduate Algebraic Geometry” is a good example of good math writing)
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Meru @meruscales.bsky.social · 12/12/2024
I like universal objects, and as an educator the idea that *restricting* the permutation group often *adds* a lot of interesting combinatorial structure. I think that top down perspective is new for a lot of people and leads to cool pictures too (like going from symmetric to dihedral groups)
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Meru @meruscales.bsky.social · 12/12/2024
nowadays I mostly do stuff with Lie theory and Vertex Algebras, although some beautiful combinatorics shows up attached to the characters of these things (Monstrous Moonshine the classic example)
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Meru @meruscales.bsky.social · 12/12/2024
I'm not trying to yawn at it, just give people reading a possible rabbit hole to follow. The Catalan Numbers were my gateway to getting into combinatorics, there's so many pretty pictures you can draw.
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Meru @meruscales.bsky.social · 12/12/2024
honestly don't recognize this one, off the top of my head looks like it follows 3^n - n^2 (caught this because 18 = 27 - 9, and it fits w/ the other numbers)
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Meru @meruscales.bsky.social · 12/12/2024
These are just factorials, much more fun sequence would be say the Catalan Numbers. Feel like my sequence tierlist is based on how fun the object you can count with it is. Permutations are so general; they're like the marble from which more interesting sequences are cut.
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Meru @meruscales.bsky.social · 11/12/2024
V good look
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Meru @meruscales.bsky.social · 10/12/2024
In a fight, right?
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Meru @meruscales.bsky.social · 01/12/2024
I'm 6'1 please tell me what you learn
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Meru @meruscales.bsky.social · 26/11/2024
Fantastic work Mochi
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Meru @meruscales.bsky.social · 25/11/2024
For me TTRPGs are more about building characters and a story than gameplay mechanics. The mechanics feel like they're there to add stakes; you can't just do whatever you want, but at the end of the day the fun is sharing a narrative w/ friends.
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Meru @meruscales.bsky.social · 25/11/2024
bird
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Meru @meruscales.bsky.social · 21/11/2024
All your favorite bendy shapes are topological spaces (the topological map, a “continuous function”, is how things can deform without changing the topology). But topologies can also be very abstract, like the prime ideals of a ring (Zariski topology) or a Boolean logic.
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Meru @meruscales.bsky.social · 21/11/2024
A topology is a way to track how "close" things are without needing to care about actual distances. Think of a cup made of clay with two dots next to each other drawn on it. If you bend and squish the cup, the two dots still stay close as the shape warps to a doughnut. So the topology stays the same
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Meru @meruscales.bsky.social · 12/11/2024
I have raised chickens. Space is definitely a big issue, and upfront cost to get the coop, but in terms of money/care they were pretty easy to take care of. Very fun to have around too. Only reason I don't anymore is because I had to move.
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Meru @meruscales.bsky.social · 11/11/2024
A doodle I for a musical tuning system Erv Wilson called meta-pelog. Take the sequence a_n = a_{n-1} + a_{n-3} and the limit of the ratio of terms, then use this as a frequency ratio to build a circle. This forms 5, 7 and 9-note MOS scales, and is approximated very closely in 29EDO (a subset of 58!)
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Meru @meruscales.bsky.social · 10/11/2024
Here is what I could find online; maybe I will write something in (a subset of) 58 tomorrow. I often improvise in (subsets of) 58, so I can't point to anything that still exists. I lack an instrument that lets me fluidly play with the whole set.
youtube.com
58EDO, Mystery temperament and 2 rings of Pythagorean on the Lumatone
YouTube video by Cam Taylor
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Meru @meruscales.bsky.social · 10/11/2024
Want to be active here, so here's a couple simple harmonic lattices. The way the first 17 harmonics show up in the circle of fifths in 46EDO and 58EDO. Both of these are really pretty to me! They're both para-Pythagorean, so four 3/2s give a 14/11. Everything's a lil sharp in 58, which I love.
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Meru @meruscales.bsky.social · 29/10/2024
how are you playing the strings like that? I though you just strum it with your mouse?
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