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arxiv: 1803.08406 · v1 · pith:RQSLXVOWnew · submitted 2018-03-22 · 🧮 math.AG

Key polynomials over valued fields

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keywords polynomialsgivenadmittingalgebracharacterizedegreedescribedetermine
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Let K be a field. For a given valuation on K[x], we determine the structure of its graded algebra and describe its set of key polynomials, in terms of any given key polynomial of minimal degree. We also characterize valuations not admitting key polynomials.

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