Solution to the Hadamard Hypothesis Using Claude Models




Claude models have likely helped find a solution to the Hadamard Hypothesis, which remained unsolved for 20 years.
You won't believe it, but this tweet contains the solution to yet another mathematical problem.
Plus signs represent plus one, and minus signs represent minus one. This long construction is a Hadamard matrix of order 668 (only one-fifth is shown in the screenshots).
The Hadamard Hypothesis was formulated in 1893 and has been proven for almost all dimensions except for a few shadow cases, including dimension 668. This case remained unsolved for 20 years.
Apparently, the solution was discovered by one of the Claude models (the tweet belongs to an Anthropic employee).
Why it matters
AnalysisThis is significant as solving the Hadamard Hypothesis could have a major impact on mathematics and information theory. The use of AI to tackle complex mathematical problems showcases the potential of technology in scientific research.
Discuss in community
Share your questions and insights with developers
Related in Ecosystem
Practical guides, core terminology, and agent skills
Claude Becomes Smarter
Claude becomes smarter, indicating possible improvements in the model's capabilities.
Markdown Format: The Complete Guide for AI Workflows and Automation
A comprehensive hands-on guide to Markdown syntax for AI development: CommonMark standards, heading hierarchy, GFM tables, character escaping, system prompts, and CLAUDE.md guidelines.
Andrej Karpathy Built HackerTube, a YouTube-like Service, in About 2 Hours
Andrej Karpathy used Claude to filter 43 million Hacker News comments into a YouTube-like recommendation service called HackerTube in roughly two hours.
Claude + Excel for Logistics: 10 Ready-to-Use Scenarios for Rate, OTD, and Cost Audits
A practical B2B playbook on integrating Claude with Excel: ready-made system prompts, formulas, and algorithms for analyzing freight variance, OTD, suppliers, and inventory.