Browsing Mathematics, Statistics & Physics by Subject "Diffusion"
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An efficient image encryption scheme based on double affine substitution box and chaotic system
( Elsevier , 2021 , Article)Privacy of information is one of the most important and unavoidable issues in our digitally advance era. A huge amount of information transmitted over different servers and networking protocols. The sphere of digitally ... -
Fitted Galerkin spectral method to solve delay partial differential equations
( John Wiley and Sons Ltd , 2016 , Article)In this paper, we consider a class of parabolic partial differential equations with a time delay. The first model equation is the mixed problems for scalar generalized diffusion equation with a delay, whereas the second ... -
Re-emission of slow positrons from tungsten at elevated temperatures
( Elsevier , 2002 , Conference Paper)A series of measurements have been made on the dependence of the intensity and energy spectrum of slow positrons re-emitted from polycrystalline tungsten foil held at temperatures of up to 500 °C. Irrespective of target ...