There are five different types of translation surfaces in a Galilean 3-space based upon planarity of generating curves and absolute figure. We obtain these surfaces with arbitrary constant Gaussian and mean curvature, except the type that both of generating curves are non-planar.
机构:
CALTECH, Div Phys Math & Astron, Mail Code 253-37, Pasadena, CA 91125 USAUniv Pavia, Dipartimento Matemat Felice Casorati, Via Ferrata 5, I-27100 Pavia, Italy