3 papers
math.AP2025
Conservation laws of nonlinear PDEs arising in elasticity and acoustics in Cartesian, cylindrical, and spherical geometries
Willy Hereman, Rehana Naz
Conservation laws are computed for various nonlinear partial differential equations that arise in elasticity and acoustics. Using a scaling homogeneity approach, conservation laws…
nlin.SI2024
Lie symmetries, closed-form solutions, and conservation laws of a constitutive equation modeling stress in elastic materials
Rehana Naz, Willy Hereman
The Lie-point symmetry method is used to find some closed-form solutions for a constitutive equation modeling stress in elastic materials. The partial differential equation (PDE),…
math.OC2024
Cost-Effectiveness Analysis of COVID-19 Vaccination : A review of some Vaccination Models
Rehana Naz, Andrew Omame, Mariano Torrisi
The sudden and rapid spread of the COVID_19 pandemic with its terrible consequences has put the management of governments and the various world institutions into a crisis. They hav…