Multivariate Rational Approximation of Functions with Curves of Singularities

sponsorship: The first author was supported by an INI-Simons Postdoctoral Research Fellowship and the SciAI Center, funded by the Office of Naval Research (ONR) under grant N00014-23-1-2729. The second author is a Ph.D fellow of the Research Foundation Flanders (FWO), funded by grant 11P2T24N. The third author was supported in part by FWO research project G088622N. (INI-Simons Postdoctoral Research Fellowship, SciAI Center - Office of Naval Research (ONR)|N00014-23-1-2729, Research Foundation Flanders (FWO)|11P2T24N, FWO|G088622N)