In her thesis, Alkhader found that the increase in ranks of generating and specifying more than 2 gives a slight decrease in approximation error ratio with significant increase in computer operations. It has been applied on different Poisson's equations.
By the end, the committee consisting of Dr. Eyad Swan Head of Committee and thesis supervisor, Internal Examiner from AAUP Dr. Abdul Haleem Zieqan and External Examiner from Palestine Politicnic University Dr. Amjad Barham decided to give Alkhader a Master Degree in Applied Mathematics.