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A new perspective on some approximations used in neutron transport modeling

Hanuš, Milan (2013)

Programs and Algorithms of Numerical Mathematics

In this contribution, we will use the Maxwell-Cartesian spherical harmonics (introduced in [1,2]) to derive a system of partial differential equations governing transport of neutrons within an interacting medium. This system forms an alternative to the well known P N approximation, which is based on the expansion of the directional dependence into tesseral spherical harmonics ([3,p.197]). In comparison with this latter set of equations, the Maxwell-Cartesian system posesses a much more regular structure,...

A Note on a Classical Generating Function for the Jacobi Polynomials

Rusev, Peter (2005)

Fractional Calculus and Applied Analysis

Mathematics Subject Classification: 33C45.A more general form for a classical generating function for the Jacobi polynomials is given.* Partially supported by Project MM 1305 - National Science Fund, Bulgarian Ministry of Educ. Sci.

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