This is a preview. Log in through your library . Abstract In several recent works, we developed a new second order, A-stable approach to wave propagation problems based on the method of lines ...

Back in 1948, the journal Physical Review published a paper entitled “Space-Time Approach to Quantum Electrodynamics” by a young physicist named R.P. Feynman at Cornell University. The paper described ...

In this paper some distribution theories of the segregating populations in self-fertilized populations are derived, assuming that the random disturbance (or environmental effect) follows the normal ...