Results 41 to 50 of about 13,029,295 (332)

A new generalized Weibull family of distributions: mathematical properties and applications

open access: yes, 2015
We propose a generalized Weibull family of distributions with two extra positive parameters to extend the normal, gamma, Gumbel and inverse Gausssian distributions, among several other well-known distributions. We provide a comprehensive treatment of its
G. Cordeiro   +2 more
semanticscholar   +1 more source

The Marshall and Olkin-G and Gamma-G family of distributions: properties and applications

open access: yesRevstat Statistical Journal
The article introduces a new family by combining the Marshall and Olkin-G and Gamma-G classes. It has only two extra shape parameters and can be a better model than other existing classes of distributions.
Maria do Carmo S. Lima   +2 more
doaj   +1 more source

Mathematical foundations of metaphysics

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2012
The paper deals with basic prerequisites for axiomatic of rigorous scientific metaphysics, which continues Aristotles ideas concerning science explaining furniture of the world.
Sergey M Krylov
doaj   +3 more sources

Some mathematical properties of a barotropic multiphase flow model [PDF]

open access: yesESAIM: Proceedings and Surveys, 2020
We study a model for compressible multiphase flows involving N non miscible barotopic phases where N is arbitrary. This model boils down to the barotropic Baer-Nunziato model when N = 2.
Saleh Khaled, Seguin Nicolas
doaj   +1 more source

Mathematical properties of the Navier-Stokes dynamical system for incompressible Newtonian fluids [PDF]

open access: yes, 2010
The connection between fluid dynamics and classical statistical mechanics has motivated in the past mathematical investigations of the incompressible Navier–Stokes (NS) equations (INSE) by means of an asymptotic kinetic theory. This feature has suggested
M. Tessarotto   +13 more
semanticscholar   +1 more source

Mathematical Modeling of the Casting Process of the Second Merger

open access: yesThe Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2022
The paper shows the method of making the equations of the mathematical model that describes the dependence of several mechanical and casting properties on the chemical composition of the cast irons of the second fusion and on the casting conditions.
Marian-Iulian NEACȘU
doaj   +1 more source

On the Causality and Stability of the Relativistic Diffusion Equation

open access: yes, 2000
This paper examines the mathematical properties of the relativistic diffusion equation. The peculiar solution which Hiscock and Lindblom identified as an instability is shown to emerge from an ill-posed initial value problem.
E. L. Ince   +14 more
core   +1 more source

Recursive algorithms for the elimination of redundant paths in spatial lag operators [PDF]

open access: yes, 1992
Recursive algorithms for the elimination of redundant paths in spatial lag operators are introduced. It is shown that these algorithms have superior computational properties in comparison with the cumbersome procedure proposed by Ross and Harary (1952 ...
Blommestein, Hans J., Koper, Nick A.M.
core   +2 more sources

Identification of heat exchangers according to the criterion of energy efficiency [PDF]

open access: yesMATEC Web of Conferences, 2019
The article presents the results of the analysis of the characteristics of heat exchangers methods for determining their mathematical models. The necessity of the availability of the mathematical model during the synthesis of automatic control systems ...
Velichkin Vladimir, Zavyalov Vladimir
doaj   +1 more source

The Luttinger model: its role in the RG-theory of one dimensional many body Fermi systems

open access: yes, 2000
The Luttinger model was introduced to illustrate the theory of Tomonaga via an exactly soluble model. It became soon the subject of great interest also on the part of Mathematical Physics and a key to the investigations of the mathematical properties of ...
Gallavotti, Giovanni
core   +2 more sources

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