in this paper, we introduce the notion of primal strong co-ideals and give some results involving them. it is shown thatsubtractive strong co-ideals are intersection of all primal strong co-ideals that contain them. also we prove that the representation of strong co-ideals as reduced intersections of primal strong co-ideals is unique.

Introduction: Previous studies have shown that a Monte Carlo method for the transportations photon beam in medical linear accelerator is a good way. Strip of simulation can be used to measure the dose distribution in phantoms and patients' body. EGSnrc Code is the only code written for use in the field of radiation therapy that has many subset codes that BEAMnrc code is an impo...

Demagnetization in a thin film due to terahertz pulse of magnetic field is investigated. Linearized Landau-Lifshitz-Gilbert (LLG) equation the Fourier space describe magnetization dynamics derived, and spin wave time evolution studied. Finally, demagnetization recent experimental observations on similar system compared. As result, marginal role loss established.

A variety of transversely accelerating optical beams, such as Airy, Mathieu, and Weber have been proposed intensively studied in the past few decades, while longitudinal acceleration beams free space has considered much less mostly for ultrashort pulses. In this work, we create two-component continuous wave Bessel that exhibit extremely high space, with group velocity changing by a factor 10 ju...