{"type": "article", "title": "The convexity of the barter exchange problem", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/the-convexity-of-the-barter-exchange-problem", "original_source": "https://fedemagnani.github.io/math/2025/09/03/barter.html", "published": "2025-09-03T00:00:00+00:00", "accessed": "2026-07-07", "id": "the-convexity-of-the-barter-exchange-problem"}