We study the Hardy identities and inequalities on Cartan-Hadamard manifolds using the notion of a Bessel pair. These Hardy identities offer significantly more information on the existence/nonexistence of the extremal ...

تهدف هذه الدراسة لتقصي التحديات التي تواجه طلاب الجامعات في استخدام أدوات النكرة والمعرفة في اللغة الانجليزية في جامعة النيل الأبيض في محلية كوستي بعد الاطلاع علي أدبيات البحث والدراسات السابقة، قام الباحثان بتصميم استبانه ...

This paper aimed to compare and contrast between spine one and smile one which are used to teach English language at Sudanese basic school. Spine one has been replaced by smile one in late decade. The motivation behind ...

This research paper discusses the dialogue between the prophet Abraham( peace be upon him) and his father as revealed in the Quran chapter of Marium. Prophet Abraham convincingly attacked his father's argument and prioritized ...

This study discusses existence results for a quasi-linear elliptic equation of critical Sobolev growth [ ] in the low-dimensional case, where the problem has a global character which is encoded in sign properties of the ...

Introduction: Food is a substance that comes from animals or plants that are eaten to provide energy. Food contains the nutrition that people need to be healthy. People need protein, fat and carbohydrates. Vitamins and ...

Abstract The aim of the research was to determine the impact of the deterioration of the Sudanese currency on the collapse of the Sudanese economy in the period (2015) and 2021), and to reveal the social, economic and ...

The study aimed to identify the factors affecting productivity in Sudan and analyze the nature of this relationship. The study assumed that human capital, labor growth, the general price level, and previous productivity ...

Abstract: The study aims to know the impact of the foreign exchange rate in inflation, which is reflected in the economic conditions, the high general level of prices, economic instability, high inflation rates, and price ...