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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 Articles
Mistral Large 4 is Open-Weight, But Not Easy to Run
2+ day, 11+ hour ago (215+ words) Mistral says Large 4 weights will arrive by the end of the month. It is a mixture-of-experts, or MoE, model: each token uses only a subset of its parameter blocks. The model has 1.0T to 1.05T total parameters, but only 52B active per token....
A decision model that can't refuse will still answer
16+ min ago (216+ words) OpenAI's Decisions API (public beta since Oct 6) and TypeSafe's Jev do the same job: closed questions... Tagged with ai, openai, llm, api. OpenAI's Decisions API (public beta since Oct 6) and TypeSafe's Jev do the same job: closed questions in, typed…...
Open weights don't make a 1T model cheap to run
17+ min ago (317+ words) Mistral Large 4 is 1.05T parameters with 52B active per token. The 52B sets your compute. The 1T sets your memory, because every expert has to stay resident in GPU memory for the router to pick it. At FP8 that is about a terabyte of weights…...
Heidelberg spotlights digitalisation and AI at Shift 2026
5+ hour, 36+ min ago (498+ words) More than 300 participants from around the world recently attended Shift 2026, Heidelberg’s digitalisation and AI summit, which focused on AI-based automation, hybrid print production using digital and offset technology, and robotics real-world examples for a successful future for print shops. Held…...
Why Open-Weight AI Matters
57+ min ago (429+ words) Proprietary models still hold the edge, but open-weight models add more flexibility for deploying AI. Open-weight AI models are creating new challenges for chip architects as rapidly changing workloads strain memory, interconnects, and compute flexibility. Massive data centers are not…...
K-Nearest Neighbors (KNN): How Machines Learn from Their Neighbors
1+ hour, 10+ min ago (1104+ words) Have you ever wondered how Netflix recommends movies you might enjoy, or how a machine learning model predicts whether a customer will purchase a product? One simple approach to understanding these predictions is the K-Nearest Neighbors (KNN) algorithm. Imagine moving…...
ALiBi: The Positional Encoding That Lets Transformers Extrapolate to Sequences They Were Never Trained On
39+ min ago (215+ words) Train on 1,024 tokens. Test on 2,048. Get the same perplexity as a model that was trained on … Exploring modern AI research, neural network architectures, and efficient model deployment from first principles. Writing for engineers and researchers. ALiBi: The Positional Encoding That…...
Is your R² score lying to you?
30+ min ago (349+ words) I write about machine learning, AI, and data science | Doing an Msc. Data Science R-squared tells you how much of the variation in the target your model explains. A 0.844 score means your model explains 84.4% of the variation which is pretty…...
Personal Prompt Builder™ App Launches With Free Prompt Generation for a Quick Start
13+ hour, 34+ min ago (13+ words) Personal Prompt Builder⢠App Launches With Free Prompt Generation for a Quick Start...
BitTitan Accelerates Large-Scale Document Migrations with MigrationWiz
13+ hour, 34+ min ago (104+ words) Improved scheduling: Enhancements to how migration jobs are scheduled and initiated help migrations start and progress more efficiently, particularly when teams manage multiple projects or workloads concurrently. - Faster indexing: Reworked indexing processes improve handling of large, complex document environments and…...