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"ABSTRAKThe investigation of the wave propagation in a 1D metamaterial is continued in this paper. A nonlinear evolution equation of the wave interaction of two polarizations by means of the projection operator method is obtained and a particular solution in the case of slow varying envelopes is found. "

"ABSTRAKIn this paper a new way of derivation of an evolution equation for short pulses in a dielectric waveguide including one model of a metamaterial waveguide is shown. This derivation model relies upon projecting to an orthogonal basis. In our case such orthogonal basis for cylindrical waveguides is chosen as Bessel functions. "

"Handwritten word segmentation problem is one of many problems in the handwritten wprd recognition field. This segmentation problem will be more complicated if dealing with cursive handwritten words. This paper will discuss a simple approach in segmentation using 1D Gaussian filters having 8 points in length and 4 - 12 in standard deviation as well as those having 12 - 24 points in length 4- 16 in standard deviation can be used effectively for this kind of segmentation."

"ABSTRAKIn this paper we present a numerical procedure for calculation of electrical conductivity in a periodic lattice of one dimensional zero range potentials with a case of dominant impurity scattering. The conductivity was previously obtained in an integral form via an approximate solution of the kinetic Kolmogorov equation. The proposed approach is based on the quadrature formula for certain type of integrals. The results are compared with the low temperature limit approximation."