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

Mpbh Binary
Mpbh Octahedron Intrinsic
Mpbh Octahedron
Mpbh Binary Intrinsic
Mpbh Single Intrinsic
Mpbh Cube Closed Geodesic
Torus Mcg
Torus Mcg
Bh Loop
Bh Uturn

All Code

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

Talks

All Talks

Courses

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Papers

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Cooking

All Cooking