We introduce helicoidal hypersurface in the four dimensional Euclidean space. We calculate the mean and the Gaussian curvature, and some relations of the helicoidal hypersurface. Then we give the Laplace-Beltrami operator of the helicoidal hypersurface.
"Laplace-Beltrami Operator of a Helicoidal Hypersurface in Four-Space." J. Geom. Symmetry Phys. 41 77 - 95, 2016. https://doi.org/10.7546/jgsp-41-2016-77-95