"Quantum theory may be formulated using s over any of the three associative normed division algebras: the real numbers…"

"The real numbers are the dependable breadwinner of the family, the complete ordered field we all rely on. The complex…"

"[Q]uaternions form the appropriate algebraic basis for a description of nature whenever we have to deal either with p…"

"The history of geometry may be conveniently divided into five periods. The first extends from the origin of the scien…"

"Frobenius' Theorem. Over the real number field there exist precisely three associative s, namely the real numbers, th…"

"More than a third part of a century ago, in the library of an ancient town, a youth might have been seen tasting the …"

"My own introduction to quaternionics took place in quite a different manner. Maxwell exhibited his main results in qu…"

"Mr. McAulay asks: "What is the first duty of the physical vector analyst quâ physical vector analyst?" The answer is.…"

"If I wished to attract the student of any of these sciences to an algebra for vectors, I should tell him that the fun…"

"Here as he walked by, on the 16th of October 1843 Sir William Rowan Hamilton in a flash of genius discovered the fund…"