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 ...

THAT Prof. Tait should not be able to do justice to those who prefer to treat vectors as vectors, and quaternions as quaternions, instead of commingling their diverse natures, with the result, in the ...

The main purpose of this paper is to extend various results of Eneström-Kakeya type from the complex to quaternionic setting by virtue of a maximum modulus theorem and the structure of the zero sets ...