Every $\Delta^0_2$ degree is a strong degree of categoricity; Positive Enumerable Functors; Which Classes of Structures Are Both Pseudo-elementary and Definable by an Infinitary Sentence?

The authors have proposed an approach for generating a pseudo random binary sequence by using primitive polynomial, trace function, and Legendre symbol over the proper sub extension field. There are ...

Coefficient matrix of linear equations from finite element method (FEM) is sparse and symmetrical. For the sake of saving CPU operational time and reducing storing requirement to computer, we ...