An equation is a mathematical expression that contains an equals symbol. Equations often contain algebra. Algebra is used in Maths when we do not know the exact number in a calculation - this unknown ...
Mathematician Grigori Perelman solved the Poincaré conjecture, and then rejected the $1 million prize that came with it.
Abstract: On-demand manipulation of electromagnetic (EM) far-fields has greatly accelerated the extension of intelligent metasurfaces in diverse applications. An important prerequisite for most of the ...
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