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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
Constitutional Midtraining: Content Presence Drives Alignment Gains — LessWrong
15+ min ago (15+ words) A more accessible, much shorter version of our paper that goes by the above title. …...
The Open-Weight Inflection Point: Kimi K3, Claude Opus 5, and Microsoft MAI Signal a Market Shift
32+ min ago (490+ words) Subtitle: Three major releases in one day point to the same conclusion — the AI industry is shifting from "who can build the strongest model" to "who can build the most cost-effective one." July 28, 2026, might be remembered as the day the…...
Opinion: How Math Became Relevant Again in a Wisconsin Classroom
2+ day, 21+ hour ago (621+ words) It is impossible to imagine a future that does not have data science embedded in our daily lives. The field combines statistics, coding, and critical thinking to extract meaning from data, making it a desirable skill across industries. Yet most…...
Spaced Repetition Under the Hood: How We Decide When to Show a Word Again
1+ hour, 1+ min ago (1051+ words) Disclosure: I build VibeLing, a vocabulary app. This post is about the scheduler inside it — what it does, what we deliberately didn't build, and the thing that broke once real people started using it. Every spaced repetition app has one…...
Existential Risk from AI: An Exposition for Mathematicians — LessWrong
1+ hour, 36+ min ago (9+ words) Discuss Existential Risk from AI: An Exposition for Mathematicians...
RLVR that rewards red teaming the training environment — LessWrong
1+ hour, 46+ min ago (1792+ words) Epistemic status: seeing what sticksI've been thinking pretty obsessively about how to mitigate egregious reward hacking, a la the Hugging Face incident. I don't have the resources I'd need to write paper on this idea, or evaluate how well it…...
The Math Superstar Who’s Terrified of AI—and Just Took a Job at OpenAI
2+ hour, 26+ min ago (199+ words) Jacob Tsimerman won the biggest prize in math. Now he’s working on the most important problem of his career. When he won the Fields Medal last week, Jacob Tsimerman accepted the most prestigious honor in math wearing a powder-blue tuxedo…...
Most AI Agent Failures Aren't Model Problems, They're Architecture Problems | HackerNoon
2+ week, 1+ day ago (1080+ words) An AI agent is an LLM running in a loop, calling tools, reasoning about what to do next, and iterating until it produces a final response. Five components make up this loop: This architecture is deceptively simple. The complexity emerges…...
Beyond Prompting: Context Engineering and Memory Management for AI Systems at Scale
1+ mon, 3+ week ago (993+ words) Live Webinar and Q&A: Below the Framework: Why Agent Context Is an Infrastructure Problem (Aug 27, 2026) Save Your Seat Holly Cummins discusses why "nothing is new under the sun" in tech. She maps historical architectural tradeoffs to modern cloud, microservices, and…...
Leonardo Felipe Nerone Believes Context Engineering Will Decide Which AI Agents Actually Work
5+ day, 12+ hour ago (879+ words) "A better model does not fix a system that has the wrong context," Nerone says. "If the agent does not know what it should know, cannot access what it needs, or sees information in the wrong way, the result will…...