Index

03 — Misc-Tech

Assorted technical notes.

Generative Modeling

005 Expectation Maximization A fundamental algorithm for parameter estimation in probabilistic models with latent variables. 002 Practical VAE Practical considerations and challenges when working with variational auto-encoders. 001 Training CVAE Techniques for training CVAEs on tabular data.

Graph & Geometry

011 Hodge Laplacian Operator Simplices, boundary operators, and generalising the graph Laplacian. 007 Graph Isomorphism in GNNs Canonisation, the Weisfeiler-Lehman test, and the expressive power of GNNs.

Infrastructure

013 Fail2Ban Blocking repeated unauthorised connection attempts on a server. 012 GCP Backups Imaging a running server and handling disk encryption keys on GCP.

Quant Finance

006 Market making with Avellaneda and Stoikov High-level intuition of market making, its goals, and the Avellaneda-Stoikov algorithm.

Security

014 pwnable.kr - random Solving the random challenge from Toddler's Bottle.