The resultant of non-commutative polynomials
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Let R = K[x; σ] be a skew polynomial ring over a division ring K. Necessary and sufficient condition under which common right factor of two skew polynomials exists is established. It is shown that the existence of common factor depends on the value of non-commutative (Dieudonne) determinant built on coefficients of polynomials and their σl-images.
Keywords:Polynomial ring / skew polynomial / resultant
Source:Matematički vesnik, 2008, 60, 1, 8-21
- Društvo matematičara Srbije, Beograd