It is a great pleasure for me to dedicate this paper to Professor Augustin Banyaga in recognition of both his collegiality and his many contributions to symplectic and contact geometry.
"$\cal D$-Homothetic Warping and Applications to Geometric Structures and Cosmology." Afr. Diaspora J. Math. (N.S.) 14 (2) 134 - 144, 2012.