Explore ChatGPT 5’s 7 groundbreaking new features, from multimodal capabilities to reduced hallucinations and the future of AI interactions ...

That’s why one of AI ’s most celebrated moves, Chain of Thought (CoT), feels so persuasive. The AI solves a problem in tidy compartments, moving from the first step to the last like a careful student.

In this article, the classic portfolio selection problem is reformulated as nine convex optimization problems to maximize nine risk-adjusted performance indexes based on nine different risk measures ...