The dominant structural feature of Jordan is the north-south trending Dead Sea Rift. It is an active part of the African-Syrian Rift, which extends for about 6000 km, from east Africa through the Red Sea, Wadi Araba, Dead Sea, Jordan Valley to south Turkey. The groundwater aquifers of Jordan are divided into three main complexes: A deep sandstone aquifer complex, an Upper Cretaceous aquifer com...

The purpose of this paper is to fill a gap in Albert's structure theory' of abstract Jordan algebras of any characteristic $2, by proving the following: THEOREM A. Let 21 be a finite-dimensional Jordan algebra over a field (. Assume (1) that 21 has an identity element u and (2) that every element of 21 has the form au + z, where a e (D and z is nilpotent. Then 21 = 4u + A3, where Z is a nil sub...

We investigate the computational complexity of finding the minimum-area circumscribed rectangle of a given two-dimensional domain. We study this problem in the polynomial-time complexity theory of real functions based on the oracle Turing machine model. We show that a bounded domain S with a polynomial-time computable Jordan curve Γ as the boundary may not have a computable minimum-area circums...

OBJECTIVE To find out the prevalence of overweight and obesity among female adolescents in Jordan. METHODOLOGY A cross-sectional survey on females aged 15-18 in Amman, Jordan, was carried out using a multistage stratified random sampling method. The total sample size was 475 girls. Weight and height were measured and body mass index for age was used to determine overweight and obesity using t...

In this paper we review the definition of the invariants “bar codes” and “Jordan cells” of real and angle valued tame maps as proposed in [1] and [4] and prove the homotopy invariance of the sums ]Bc r + ]Bo r−1 and of the set of Jordan cells. Here Bc r resp. Bo r denote the sets of closed resp. open bar codes in dimension r. In addition we provide calculation of some familiar topological invar...

This study seeks to explore the perceptions of users regarding Internet financial reporting (IFR) practices in Jordan. A questionnaire survey of 200 possible participants of four different user-groups was conducted to investigate their perceptions regarding the usefulness and usability of IFR as a source of information in Jordan. 114 received responses were analysed using the Kruskal-Wallis tes...