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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
Mastering Databricks: A Developer’s Guide to Lakehouse Architecture & PySpark Pipelines | HackerNoon
3+ day, 8+ hour ago (198+ words) Databricks has become the cornerstone of modern data engineering, analytics, and AI workflows. Built on top of Apache Spark, it enables engineering teams to process petabyte-scale datasets, deploy machine learning models, and streamline analytics—all within a unified platform integrated…...
How many tokens is 1,000 words? A conversion cheat sheet for LLM prompts
39+ min ago (334+ words) If you only want the number: 1,000 words of ordinary English is roughly 1,300 tokens. Going the other way, 1,000 tokens is roughly 750 words, or about 4,000 characters. That is the whole answer for estimating. The rest of this post is the table, the…...
An LLM reviewer's "block" is a feature, not a verdict
39+ min ago (534+ words) Every AI code review tool I test ends the same way: it prints a hard label. approve, request changes, block, a severity from 0 to 5. The team reads the label, and the label becomes the ground truth people argue about in…...
What does OpenAI’s blockbuster mathematics proof mean for the real world?
14+ hour, 1+ min ago (441+ words) OpenAI may have claimed to have solved a million-dollar math problem that's fundamental to lots of modern technology, but don't expect anything to change—at least, not immediately. Regardless of whether OpenAI can actually take the credit for solving the…...
Agent stdout Is Not Your Test Plan
57+ min ago (945+ words) Did your agent print All tests passed again today? Did you merge because the log felt complete? That habit is how fake green sneaks in. I keep hearing four myths about agent logs. They sound like engineering. They are not…...
Predictive maintenance finds faults using normal equipment behavior
1+ hour, 2+ min ago (464+ words) I-care Group is adding an AI system designed to detect equipment anomalies without relying on past failures, after acquiring the assets of French technology company Amiral Technologies. The Belgian predictive maintenance specialist announced the acquisition on Sept. 17. The deal includes…...
How AI Upscaling Actually Works (And What It Cannot Do)
57+ min ago (1271+ words) AI upscaling takes a small, low-resolution image and produces a larger, sharper version. That sentence is technically correct and completely misleading. The sharp detail you see in the upscaled image was not “recovered” from the original. It was invented by…...
Apple Added A New Scam Prevention Feature With iOS 27
2+ hour, 12+ min ago (236+ words) Apple’s iOS 27 software update is here, and it’s available for a ton of iPhones and not just the brand-new iPhone 18 Pro and iPhone 18 Pro Max. It includes a number of new features, and one of them is a new anti-scam…...
One in four math preprints now acknowledge AI use, up from 4% just five months ago
1+ hour, 56+ min ago (548+ words) A sweeping analysis of nearly 33,000 arXiv submissions reveals AI has gone from curiosity to co-author in mathematical research at a pace few anticipated. In March, fewer than 5% of math papers posted to arXiv disclosed any use of artificial intelligence. By…...
How to Measure Whether AI Search Engines Cite Your Website
2+ hour, 18+ min ago (557+ words) If your organic clicks are falling, the missing layer may be the answer page that now appears before your link. GEO and AEO measure whether ChatGPT, Perplexity, Gemini, Claude, and AI Overviews cite your site, and whether their answers support…...