OP-00047 Open Directional convex hulls that are not semialgebraic MG · directional convexity · Randomstrasse101 · rank-one convexity · semialgebraic sets
OP-00048 Open When are directional convex hulls semialgebraic? MG · directional convexity · Randomstrasse101 · rank-one convexity · semialgebraic sets