Why is the expansion of our Universe accelerating? Twenty-five years after its discovery, this phenomenon remains one of the greatest scientific mysteries. Solving it involves testing the fundamental ...
Physicist Dr Anxo Biasi of the Instituto Galego de Física de Altas Enerxías believes he has found something almost as elusive ...
J.D. Finley, Foundations of Physics 3. Lie point symmetries of ordinary differential equations: the basic definitions and properties 4. How to find the Lie point symmetries of an ordinary differential ...