01-Blog

Writing

Mostly notes on systems, databases, and math when I’ve worked something out carefully enough to write it down.

2026-03-10/DatabasesPinned

Handling Dynamic Shared Memory in Postgres

How PostgreSQL evolved from static shared memory to DSM/DSA, and what changed with the DSM registry in modern releases.

postgresql / shared-memory / systems / database-internals

2026-04-25/Neuroscience

Modularity is all you need

A short research note on whether modular wiring in Drosophila visual circuits can explain why closely related lobula columnar neurons drive different behaviors.

neuroscience / drosophila / visual-circuits / connectomics

2026-03-16/Math

Derivation of the Carbon-14 Test

A structured derivation of the radioactive decay model behind carbon-14 dating, with the constants interpreted and applied to an archaeological example.

mathematics / differential-equations / carbon-14 / radiocarbon-dating

Abdulselam Adill Mohammed | Portfolio