Writings

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In a previous post we discussed a little problem in "almost" Finsler geometry. In this post we will dissect some properties …

Embedding theorems for Weighted Sobolev Spaces

This post is inspired by: In the diagram a 1 meter rod, initially horizontal, rotates 90-degrees about endpoint B & then translates …

This post concerns the second mean value theorem for definite integrals. Theorem    [Second MVT for Integrals] Let $w$ be a …

Since I am preparing to teach intro real analysis this fall, it is a good time for me to get reacquainted with Riemann integration and …

This short post aims at proving a general version of the Moore-Osgood Theorem on interchanging of limits. Theorem   …

Summary of the Jacobi iteration method in numerical linear algebra, and some caveats.

How to compute the volume of a simplex using the Cayley-Menger determinant, and a higher dimensional Pythagorean theorem

Since the COVID-19 crisis and the university moving to online instruction, I've spent too much time programming WeBWorK assignments. …

L. Craig Evans is a professor at UC Berkeley. For many students he is best known for his textbook on partial differential equations. I …