In this article, we study the irregularity indices of the octahedral and icosahedral networks. These networks are used in crystallography, where the topology and structural aspects are carrying some ...

The reasons for this stagnation have been discussed endlessly here on Think. In short, a combination of cyclical and structural headwinds has paralysed the economy. While cyclical headwinds like high ...

Department of Chemical Engineering, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa ...