Different Laplace-Beltrami operators Cotangent Laplacian. the movement in the normal direction is true. 。Uniform Laplacian move each vertex to the barycenter of its one-ring neighbors. smooths the mesh geometry and a tangential relaxation of the triangulation. Input Uniform Cotangent Different Laplace-Beltrami operators • Cotangent Laplacian. • the movement in the normal direction is true. • Uniform Laplacian • move each vertex to the barycenter of its one-ring neighbors. • smooths the mesh geometry and a tangential relaxation of the triangulation. Input Uniform Cotangent