Now, on to the subject of complex numbers. We have stayed away from this subject until now simply because we did not want to confuse things. Initially, it is easy to think of signals as “real valued.” ...

MARCUS DU SAUTOY:'At the heart of the mathematical world lie numbers 'They give us the power to describe, 'measure and count everything in the universe. MARCUS DU SAUTOY:'But numbers aren't always ...

Our February Insights puzzle sent readers on a treasure hunt based on complex numbers. First we provided a bit of a primer, demonstrating that complex numbers (expressions of the form a + bi, where ...

An international team of researchers shows through a concrete theoretical experiment that the prediction by standard complex quantum theory cannot be expressed by its real counterpart and ratifies its ...

A forgotten number system invented in the 19th century may provide the simplest explanation for why our universe could have 10 dimensions As children, we all learn about numbers. We start with ...

Researchers have calculated the "ninth Dedekind number," which belongs to an exponentially complex series of numbers that define outputs of logical functions based on different spatial dimensions.

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Physicists construct theories to describe nature. Let us explain it through an analogy with something that we can do in our everyday life, like going on a hike in the mountains. To avoid getting lost, ...