becher@maths.ucd.ie, melanie.raczek@ulouvain.be
Submission: 2012, Feb 8
We give an optimal bound on the minimal length of a sum of symbols in the second Milnor K-group of a rational function field in terms of the degree of the ramification.
2010 Mathematics Subject Classification: 12E30, 12G05, 12Y05, 19D45
Keywords and Phrases: Milnor K-theory, field extension, valuation, ramification
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