Irish physicist, astronomer, and mathematician Sir William Rowan Hamilton introduced quaternions, a non-commutative extension of complex numbers, on October 16, 1843. Benjamin Olinde Rodrigues had ...

It’s 179 years since William Rowan Hamilton really put Ireland on the maths map by inventing quaternions. This is a four-dimensional number system with a highly usual property as the order in which ...

A HUNDRED years ago, on November 13, 1843, Sir William Rowan Hamilton read to the Royal Irish Academy his first paper on quaternions. The centenary is being celebrated by the Academy, and the ...

The story of William Rowan Hamilton’s discovery of new four-dimensional numbers called quaternions is familiar. The solution of a problem that had bothered him for years occurred to him in a flash of ...

Over the past 11 years, our national Maths Week has promoted awareness and appreciation of mathematics in the world around us, with hundreds of events held around the country to demonstrate the ...

Imagine winding the hour hand of a clock back from 3 o’clock to noon. Mathematicians have long known how to describe this rotation as a simple multiplication: A number representing the initial ...

Analysis: William Rowan Hamilton's discovery of quaternions in Cabra played a revolutionary role in many of NASA's space missions When Dublin mathematician William Rowan Hamilton conjured up the ...

FOR many years Hamilton's “Lectures” and “Elements” have been out of print, and the ardent student of quaternions was oftentimes unable to secure a copy of either of these great classics. Prof. Tait's ...

Imagine winding the hour hand of a clock back from 3 o’clock to noon. Mathematicians have long known how to describe this rotation as a simple multiplication: A number representing the initial ...

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