Convexifying Positive Polynomials and Sums of Squares Approximation. - Krzysztof Kurdyka; Stanislaw Spodzieja (SIAM J. Optim., 2015)

Metric Properties of Semialgebraic Mappings. - Krzysztof Kurdyka; Stanislaw Spodzieja; Anna Szlachcinska (Discret. Comput. Geom., 2016)

Correction to: Metric Properties of Semialgebraic Mappings. - Krzysztof Kurdyka; Stanislaw Spodzieja; Anna Szlachcinska (Discret. Comput. Geom., 2019)