Hani: The Arab League’s creation is a “safe and sure step” for unity [GALLO/GETTY] If history is any indication, Arab Unity is not a lost cause. It is also not an age-old cause. The roots of Arab ...
Hilbert’s 12th problem asked for novel analogues of the roots of unity, the building blocks for certain number systems. Now, over 100 years later, two mathematicians have produced them. Problems in ...
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