becher@maths.ucd.ie
Submission: 2007, Mar 14
We study sums of squares, quadratic forms, and related field invariants in a quadratic extension of the rational function field in one variable over a hereditarily pythagorean base field.
2000 Mathematics Subject Classification: 11E04, 11E10, 11E81, 12D15, 14H05
Keywords and Phrases:
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