Semiglobal models of extensions of two-dimensional local fields |
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Authors: | I B Zhukov |
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Institution: | 1.St. Petersburg State University,St. Petersburg,Russia |
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Abstract: | This paper consider a special class of finite homomorphisms of complete two-dimensional regular local rings-the so-called
“model homomorphi sms.” We show that studying the ramification of morphisms of formal curves induced by these homomorphisms
helps identifying the ramification in extensions of two-dimensional local fields. Some basic properties of model homomorphisms
are established. |
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Keywords: | |
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