Background and Aims: Post-traumatic stress disorder (PTSD) is one of the psychological problems after the COVID-19 pandemic. Some people can cope with this trauma and return to their previous status or even achieve a higher level of performance, which is called post-traumatic growth. This study aimed to investigate the prevalence and the relationship between the PTSD and post-traumatic growth s...

for a given riemannian manifold (m,g),it is an interesting question to study the existence of a conformal diffemorphism (also called as a conformal transformation) f : m ! m such that the metric g? = fg has one of the following properties: (i)(m; g?) has constant scalar curvature. (ii)(m; g?) is an einstein manifold.