Affine surfaces in 4-dimensional affine space with planar geodesics

Frechet numbers and geodesics on surfaces

Geometric analysis on a step 2 Grusin operator

Author： Chin-Huei Chang, Der-Chen Chang, Bernard Gaveau, Peter C. Greiner, Hsuan-Pei Lee

Geometric mechanics on the Heisenberg group

Author： Ovidiu Calin, Der-Chen Chang, Peter C. Greiner

On geodesic mappings in pseudo-symmetric manifolds

On geodesics in subRiemannian geometry

Author： Bernard Gaveau, Peter C. Greiner

Rectifying curves as centrodes and extremal curves

Author： Bang-Yen Chen, Franki Dillen

Semi-geodesic correspondence in a Riemannian space

Totally geodesic complex extensors in indefinite complex Euclidean spaces

Author： Bang-Yen Chen