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
A Second Brain Your AI Agent Can Read
50+ min ago (1062+ words) There are so many details we need to remember in life. Recently I've been working on a legacy project that was written years ago with no maintainers left. I've had to continuously dig through thousands of lines of my own…...
Before Q, K, and V: Reconstructing the Transformer
53+ min ago (1806+ words) Many Transformer explainers start with the finished architecture. We ask why it looks the way it does. Do we really need keys, queries, values, and dot product attention? “You need keys and queries for tokens to talk to each other,…...
Compounding scale for problems
1+ hour, 44+ min ago (111+ words) When people are learning about how compound interest works, they're shown those examples of investing 100 dollars at age 20, age 30 etc. Does that type of example chart exist for maintenance, political or other types of problems?One example I thought of…...
AI Data Intelligence & Analytics for Enterprises
13+ hour, 15+ min ago (132+ words) Connect, organize, analyze, and visualize enterprise data with AI-powered insights in one unified platform. Bring together structured and unstructured data from databases, cloud storage, enterprise applications, APIs, and files. Clean, enrich, and prepare enterprise data using visual pipelines without complex…...
World Wide Web Day: From Connecting Information to Transforming Leadership in the Age of AI
2+ hour, 16+ min ago (697+ words) The Times of India...
Model Routing Made My AI Agents Cheaper. It Didn't Make Them Easier to Trust.
1+ hour, 59+ min ago (179+ words) I spent a while optimizing what my AI agents cost to run. Cheap models for routine work. Better... Tagged with ai, agentskills, chatgpt, workflow....
GPT-4o mini vs GPT-5.4: Benchmarks & Cost
1+ day, 11+ hour ago (97+ words) Updated August 7, 2026. Public scores include evidence status and uncertainty. They are not guarantees for a specific workload. Supported · Public rank #10 GPT-4o mini has the lower estimated token cost for this stated workload. Costs use the listed standard API rates. GPT…...
Why AI Detectors Fail on Non-English Text (And What I Built to Start Fixing It)
2+ hour, 40+ min ago (691+ words) A few months ago I ran a piece of completely human-written Persian text through one of the most popular AI-content detectors on the market. The tool was confident: 87% AI-generated. The text was a paragraph from a Persian blog post, written…...
My Idempotency Guard Exists to Survive One Specific Error. That Error Made It Fail Open.
3+ hour, 4+ min ago (190+ words) I went back to reread that function this week, the same way a recent article on this account reread a "fixed both" commit message against what its diff actually touched. Two things were wrong with it, and the second one…...
12 Value-Added Courses at Chandigarh University Uttar Pradesh, AI, Business Analytics & More to Boost Student Skills
2+ hour, 51+ min ago (451+ words) ...