We’re pleased to announce that the fourth edition of Computer Systems: A Programmer’s Perspective is in the works. We’re busy updating the text right now. The book should be available in the Spring of 2027. Overall, we do not anticipate major changes in coverage. Over the past decade, many changes have occurred to GCC, as well as to memory and processor technology. We will refresh the material and bring the presentation up to date. We will also be adding Brian P. Railing as a third author. See our separate post about him.

Most of us know the Jacobian conjecture. Here's a version below for fixed positive integers $d$ and $n$: $J(d,n)$: If $f: C^n \rightarrow C^n$ is a polynomial map of degree $d$, and if the Jacob...