deprecated-tag Even though deprecating the (convexity) tag is still [under discussion(meta.mathoverflow.net/questions/4132/on-convexity-tags), let me add the current status here. There are 422 questions tagged convexity. After omitting convex-analysis and convex-geometry, 288 questions remain. There are 192 questions tagged (convexity) which do not have a top-level tag.