Linde, Moore, and Nordahl introduced a generalisation of the honeycomb dimer model to higher dimensions. The purpose this article is describe number structural properties generalised model. First, it shown that samples are in one-to-one correspondence with perfect matchings hypergraph. This leads Kasteleyn theory: partition function equals Cayley hyperdeterminant adjacency hypermatrix Second, w...

Bimetric gravity theories describes gravitational interactions in the presence of an extra spin-2 field. The Hassan–Rosen (HR) nonlinear massive minimal bigravity theory is a ghost-free bimetric formulated with respect flat, dynamical reference metric. In this work deformation quantization formalism applied to HR cosmological model minisuperspace. procedure performed explicitly for quantum cosm...

The reaction of fly ash with a KOH solution was used to synthesize Linde F(K) zeolite, following which Fourier transform infrared spectroscopy were used to characterize the crystalline material. The competitive adsorption of Cu, Ni, Pb, and Cd onto this zeolite was subsequently studied in quaternary solution systems. The results show that the metal removal rates gradually increase with incr...

In this paper, we investigate the environmental regulation-productivity nexus for 18 OECD countries over years 1990–2015 and discuss its main policy challenges. Our findings support hypothesis that policies generate positive productivity returns through innovation as suggested by Porter Van Der Linde (1995). We find have a growth-promoting effect. Both market non-market based exert but differen...

A consistency criteria is given for a certain class of finite positive measures on the surfaces of the finite dimensional unit balls in a real separable Hilbert space. It is proved, through a Kolmogorov type existence theorem, that the class induces a unique positive measure on the surface of the unit ball in the Hilbert space. As an application, this will naturally accomplish the work of Kante...

Hydrogen is an unusual substance in that its molecule exists in two forms, known as ortho and para, with markedly different properties. Energy level of the ortho molecule is higher than para, therefore, the latter is employed for industrial purposes. Consequently, for a high  conversion of  ortho to para hydrogen a catalyst reactor must be employed.  Therefore, one of  the main obj...