International Journal of Mathematics, cilt.30, sa.12, 2019 (SCI-Expanded)
© 2019 World Scientific Publishing Company.We develop an algorithm detecting real representatives in equisingular strata of projective models of K3-surfaces. We apply this algorithm to spatial quartics and find two new examples of real strata without real representatives. As a by-product, we also give a new proof for the only previously known example of plane sextics.