The treatment of the Poisson equation by mixed methods already elucidates some characteristic features and shows that saddle point formulations are not only useful for minimization problems with given ...

The accelerating expansion of the Universe has puzzled scientists since its discovery in 1998. This phenomenon, one of the ...

“My own inspiration came from my pursuit for another solution to the gravitational field equations of general relativity — the simplified version of which, applicable to the conditions of galaxies and ...