A set of matrices can be found which is isomorphic with any linear associative algebra. For the case of quaternions this was first shown by Cayley (1858), but the first formal representation was made… Expand

George Augustus Schott was born at Bradford of German parentage in 1868. Educated at Bradford Grammar School and Trinity College, Cambridge, he took a first in each part of the Natural Science… Expand

The application of quaternions to flat 4-space was first made in two papers, which have largely escaped notice, by Stringham (1901) and Hathaway (1902). The Lorentz transformation in special… Expand

IN the Bakerian Lecture, “Series Lines in Spark Spectra,” Prof. A. Fowler indicates an explanation on Bohr's theory of enhanced series in which the Rydberg constant is 4N instead of N. It may be of… Expand

The electromagnetic problem enunciated by Prof. Comstock in NATURE of November 19 admits of being solved without any reference to the corpuscular nature of electricity and without going beyond the basis of Maxwell's theory.Expand