Computing rational points in convex semi-algebraic sets and SOS decompositions

Mohab Safey El Din Lihong Zhi Computing rational points in convex semi-algebraic sets and SOS decompositions http://arxiv.org/abs/0910.2973 2009 CoRR abs/0910.2973 db/journals/corr/corr0910.html#abs-0910-2973 informal publication