English

A generalisation of Amitsur's A-polynomials

Rings and Algebras 2021-06-07 v1

Abstract

We find examples of polynomials fD[t;σ,δ]f\in D[t;\sigma,\delta] whose eigenring E(f)\mathcal{E}(f) is a central simple algebra over the field F=CFix(σ)Const(δ)F = C \cap {\rm Fix}(\sigma) \cap {\rm Const}(\delta).

Cite

@article{arxiv.2106.02423,
  title  = {A generalisation of Amitsur's A-polynomials},
  author = {Adam Owen and Susanne Pumpluen},
  journal= {arXiv preprint arXiv:2106.02423},
  year   = {2021}
}
R2 v1 2026-06-24T02:50:11.303Z