A NOTICE of the “Treatise on the Theory of Functions,” by Profs. Harkness and Morley, appeared in NATURE during 1894 (vol. xlix. p. 477). The object of that work, as of Prof. Forsyth's book on the ...
Quaternionic function theory extends classical complex analysis into the four‐dimensional realm of quaternions, a non‐commutative number system comprising one real and three imaginary units. At its ...