Notes
figurate-numbers

Sonic Pi Web and Figurate Numbers, Minified

Sep 25, 2026field notes
Sonic Pi Web and Figurate Numbers, Minified

Sonic Pi landed on the web in September. Do you remember? I spent an afternoon minifying my own Ruby gem just to make it play smoothly What is Love from a QR code.

A Brief Flight of Morita's p-adic Gamma in Sonic Pi

Aug 9, 2026sketch notes
A Brief Flight of Morita's p-adic Gamma in Sonic Pi

Yes, the Gamma function appears in countless mathematical places and now I’m putting it to work in Sonic Pi with a little twist of p-adic numbers.

Two Years Leading to FigurateNum v3 Visualizations in the Complex Plane

Jun 28, 2026field notes
Two Years Leading to FigurateNum v3 Visualizations in the Complex Plane

A short personal note on a new way of visualizing figurate numbers in FigurateNum v3, bringing them into the complex plane through generating functions and domain coloring.

Perfectoid Rings Breakdance in Sonic Pi?

May 25, 2026sketch notes

I move through perfectoid rings, p-adic towers, and the Frobenius map, wondering if any of it could ever end up in Sonic Pi’s sandbox.

Do Group Actions Define Regular Polytopes and Polytypes in Type Systems?

Jan 17, 2026lab notes
Do Group Actions Define Regular Polytopes and Polytypes in Type Systems?

I introduce an analogy between transitive group actions on flags of polytopes and type systems. This speculative concept aims to offer a naive way of understanding and classifying types through symmetry.

Gamma Functions for Figurate Numbers

Jan 10, 2026sketch notes
Gamma Functions for Figurate Numbers

I plant a question motivated by generalizing the GCD to varieties and inspired by Euler's interpolation: Does there exist a function attached to each figurate number that extends it to continuous domains, analogous to how the Gamma function extends the factorial?

Counting a Figurate Property in Cayley–Dickson Algebras

Dec 27, 2025sketch notes

A naive question about Cayley-Dickson algebras, enumerated by a figurate number via type systems, and how that question naturally incorporates itself into other algebraic structures and particularities.

Category of Modules and Type-Level Programming with Figurate Numbers

Oct 25, 2025lab notes
Category of Modules and Type-Level Programming with Figurate Numbers

I invite you to explore the intersection of figurate numbers and module theory, where type-level programming unlocks new possibilities for math and live coding music.

© 2026 Edgar Delgado Vega