Hello there!

I'm Steve Trettel, a mathematician who is also interested in computers, physics, and language.

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I'm currently an assistant professor at the University of San Francisco. This is both my personal and academic website, so you’ll find math I like explaining, updates on my computer graphics hobby, physics I'm learning, and some favorite meals, among other things.

Illustration

All Art

Code

Airplug Bottomless III
Airplug Bottomless II
Airplug Bottomless I
Hyp Tiling I
HypCyl Gen2 Embedding
Cyl Gen2 Embedding
HypStrip Gen2 Embedding
Grid-Charge-Gen2-Embedding
Grid-Gen2-Embedding
Embedding Orig Hyperbolic Cylinder

All Code

Project Websites

Talks

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Notes

Note: Integral Axioms Values:

Note: 2D Geodesic Cheatsheet:

Note: Quadratics for Grown Ups:

Note: Graph Geodesics Extrinsic:

Note: Graph Geodesics Intrinsic:

Note: Differential Forms Cheatsheet:
Tricks for working with the Laplacian using Differential Forms

Note: Hyperbolic Dodecahedra Ball Model:

Note: Hyperbolic Dodecahedra:

Lie Derivative, Geometrically:

Note: Lie Derivative Example:

All Notes

Courses

Papers

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Cooking

All Cooking