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Different and trace |
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| Authors: | Joseph Lewittes |
| Institution: | Department of Mathematics and Computer Science, Lehman College (CUNY), Bronx, NY 10468, USA |
| Abstract: | Let E/F be a finite separable field extension and suppose given a discrete valuation on F that has a unique extension to E. We prove the relation d = e − 1 + c, where d is the differential exponent, e the ramification and c the trace contraction. |
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