Titlebook: Approximation and Computation in Science and Engineering; Nicholas J. Daras,Themistocles M. Rassias Book 2022 Springer Nature Switzerland

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Image Reconstruction for Positron Emission Tomography Based on Chebyshev Polynomials,tion. This approach appears to be efficient in calculating the Hilbert transform and its derivative, being incorporated within the final analytical formulae. The numerical tests are validated by comparing the presented methodology to the well-known spline reconstruction technique.

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1931-6828 Some of the works provide guidelines for further research and proposals for new directions and open problems with relevant discussions..978-3-030-84124-9978-3-030-84122-5Series ISSN 1931-6828 Series E-ISSN 1931-6836

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Colonoscopy

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,Approximation by Mixed Operators of Max-Product–Choquet Type,t operators, which approximate uniformly . in each compact subinterval of [0, +.) with the order ., where . arbitrary fast. Also, shape preserving and localization results for max-product Bernstein–Kantorovich–Choquet operators are obtained. Section 4 contains quantitative approximation results for

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,Generalized Intensity-Dependent Multiphoton Jaynes–Cummings Model,n by an arbitrary function .. The Jaynes–Cummings theoretical model is of great interest to atomic physics, quantum optics, solid-state physics, and quantum information theory with several applications in coherent control and quantum information processing. As the initial state of the radiation mode

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Functional Inequalities for Multi-additive-Quadratic-Cubic Mappings,hich is defined as system of functional equations can be unified as a single equation. In addition, by applying two fixed point theorems, the generalized Hyers-Ulam stability of multi-additive-quadratic-cubic mappings in normed and non-Archimedean normed spaces are studied. A few corollaries corresp