Normal Forms of Coordinate-Free Quaternionic Polynomials
摘要
Quaternionic polynomials occur naturally in applications of quaternions in science and engineering, and normalization of quaternionic polynomials is a basic manipulation. This paper presents a method of computing the normal form of quaternionic polynomials under the conjugate-alternating order, and defines basis-free quaternionic polynomial algebra and conjugate-free quaternionic polynomial algebra under conjugate-separating orders, which can be used in classifying and computing multivariate quaternionic polynomials.