Order (and small disorder)
In most textbooks, one finds that a category represents a preorder exactly when there is at most one arrow between any pair of objects. But, surprisingly, the same is told … Continue reading
March 29, 2011 · Leave a comment
New home site
Although I’ll keep my old home page, I’ll not maintain it anymore. Sooner or later, I’ll get rid of that page by redirecting the traffic here. Stay tuned!
March 21, 2011 · 1 Comment
