(1) Mathematics Department, Anil Neerukonda Institute of Technology & Science, Sangivalasa, 531162 Visakhapatnam, India;(2) Mathematics Department, GMR Institute of Technology, GMR Nagar, Rajam, 532127 Srikakulam, India
Abstract:
It is shown that Kantowski–Sachs cosmological models do not exist in Rosen's (1973) bimetric theory of gravitation when the
source of gravitation is either perfect fluid or cosmic string. Hence, the vacuum model is constructed.