When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
By Hyungju Park, Georg Regensburger. Georg Regensburger, Radon Institute for Computational and Applied Mathematics (RICAM), Linz, Austria; Hyungju Park, Korea Institute for Advanced Study (KIAS), Seoul, Korea.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.