Umar Ibn al-Khattab (584-644 M) was the second caliph in Islamic history after replacing Abu Bakr al-Siddiq. He one of companions Prophet SAW who had strong morals, energetic, fair, and wise, a firm complex character, managerial administrative abilities. as caliph, only ruled for more than ten years, but that short period, there were many successes advancements experienced by society, especiall...

To be considered for publication, solutions should be received by September 1, 2011. 1866. Proposed by Sadi Abu-Saymeh and Mowaffaq Hajja, Mathematics Department, Yarmouk University, Irbid, Jordan. Let ABC be a triangle, and L and M points on AB and AC, respectively, such that AL = AM. Let P be the intersection of BM and CL. Prove that PB = PC if and only if AB = AC. 1867. Proposed by Ángel Pla...

In this paper, we prove a conjecture, which was proposed by Frank Stenger in 1997, concerning the localization of eigenvalues of the Sinc matrix I(−1), a problem that is important in both the theory and the practice of Sinc methods. In 2003, Iyad Abu-Jeib and Thomas Shores established a partial answer to this unsolved problem. The techniques they have developed, however, turn out to be the key ...

1Division of Science and Math and Center for Genomics and Systems Biology (CGSB), New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, UAE 2Center for Systems Biology and Faculty of Industrial Engineering, Mechanical Engineering and Computer Science, School of Engineering and Natural Sciences, University of Iceland, 101 Reykjavik, Iceland 3National Institute of Diabetes and Digestive and ...

Normal face-based judgements of social characteristics despite severely impaired holistic face processing Susanne Quadflieg a c , Alexander Todorov b , Renaud Laguesse c & Bruno Rossion c a Division of Psychology, New York University Abu Dhabi, Abu Dhabi, UAE b Department of Psychology, Princeton University, Princeton, USA c Department of Psychology, University of Louvain, Louvain-la-Neuve, Bel...

Chronic bacteriuria is a common occurrence among spinal-cord injury patients and others with neuropathic bladders. If bacteria are present in the urinary tract, the patient may develop symptoms of infection or remain asymptomatic. We have compared virulence properties of 28 Escherichia coli isolates from patients with symptomatic urinary tract infections (UTI) and 29 E. coli isolates from patie...

The Technology Readiness Index (TRI) developed by Parasuraman (2000) was adapted to measure the technology readiness of public school teachers in Abu Dhabi, United Arab Emirates. The study aims at better understanding the factors (mostly demographics) that affect such readiness levels. In addition, Abu Dhabi teachers are segmented into five main groups, with the highest percentage being “laggar...

1Central Department of Maternal and Child Health, Ministry of Health, Abu-Dhabi, United Arab Emirates. 2Department of Haematology, Central and Al Jazira Hospitals, Abu-Dhabi, United Arab Emirates. Received: 10/04/03; accepted: 15/03/04 ABSTRACT In January 2002, a pilot programme of neonatal screening for sickle cell disease was launched in the United Arab Emirates (UAE) in 3 districts of Abu Dh...

Janet Abu-Lughod's most recent book, New York, Chicago, Los Angeles: America's Global Cities (1999), represents an impressive accomplishment. Framed with reference to contemporary debates on globalization and world cities, the book articulates a powerful appeal for a more historically nuanced perspective on contemporary forms of urban restructuring. Whereas scholars such as Anthony King (1991a,...