The Mathematics Search Engine
Mathematics News & Resources
4Mathematics is a specialist search engine for Mathematics. Discover the latest math news and mathematical content. Part of the 4SEARCH network of topic specific search engines.
Latest News & Web Pages
NLA explanations can be shortened without harming reconstruction " Less Wrong
10+ min ago (67+ words) Natural language autoencoders are a really cool mostly-unsupervised method for producing free-form text explanations of LLM activations. You should r...
5 More AI Predictions For The Year 2030
32+ min ago (1712+ words) Two years ago, we published a list of 5 predictions about AI in the year 2030. The article sparked a lot of fascinating (and sometimes heated!) discussion. Today, we're running it back with five more predictions. The further into the future we…...
Why Twio Chose Vertex AI Search over pgvector for Production RAG
1+ hour, 4+ min ago (565+ words) When we first built RAG at Twio, pgvector was the obvious pick. Our business data was already in Postgre SQL, and dropping embeddings into the same database was the fastest path to a working product. For the first version, that…...
Queens on a prime order board
46+ min ago (208+ words) The'n queens problem is to place on an'n "n chessboard'n queens so that none attacks any other. This means there is only one queen on every horizontal, vertical, and diagonal line. When'n is a prime number " 5, it is sufficient to…...
Dockerfile Builder: a small tool that solves a specific problem
1+ hour, 13+ min ago (422+ words) Dockerfiles that pass a casual build check can still fail silently in production when they lack proper layer caching, run as root, or omit health checks. For teams without a dedicated container specialist, arriving at an optimized, secure configuration often…...
Why Statistics is the Real Backbone of Data Science
2+ hour, 29+ min ago (980+ words) The explosive rise of data science has made one thing clear: everyone wants to build the next groundbreaking machine learning model or deploy an AI that feels like magic. We obsess over coding languages, massive cloud servers, and complex neural…...
When Su Si E Says '95% Confident', Is It?
1+ hour, 54+ min ago (733+ words) Benchmarking the Honesty of Fine-Mapping Credible Sets Fine-mapping has a promise built into its output, and almost nobody checks whether the promise is kept. When you run Su Si E on a GWAS locus, it hands you a credible set:…...
The 7 Types of Agent Memory: A Technical Guide for AI Engineers
1+ hour, 55+ min ago (654+ words) Large language models are stateless by default. Each API call starts fresh. The model forgets your last message once the response returns. That is fine for a single question. It breaks the moment you build an agent. Agents plan, call…...
Most AI Agents Aren't in Production. Here's What Works.
2+ hour, 17+ min ago (1789+ words) One widely-shared survey says 42 percent of companies already run AI agents in production. The most rigorous source in the field, Stanford's 2026 AI Index, says real autonomous-agent deployment still sits in single digits across nearly every business function. Both numbers were…...
LLM Automation in Property Management: A $6. 5 M Cost Reduction Case Study
2+ hour, 53+ min ago (462+ words) Following a large acquisition, a leading European real estate provider faced a mandate from its board: reduce total operating costs by $6. 5 million. The initial instinct was headcount reduction. The actual solution was smarter: identify every workflow where a human was…...