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2012 Fiscal Year Final Research Report

Resolution of singularities of defining equations of number field and its relation to zeta function

Research Project

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Project/Area Number 22654003
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeSingle-year Grants
Research Field Algebra
Research InstitutionTokyo University of Agriculture and Technology

Principal Investigator

MAEDA Hironobu  東京農工大学, 大学院・工学研究院, 准教授 (50173711)

Project Period (FY) 2010 – 2012
Keywords代数体 / 特異点 / 底式 / 定義方程式
Research Abstract

The defining equation of a number field is not unique and has in general many singular and infinitely near singular points. One can read some number theoretic properties, e.g. prime ideal decomposition, from these singularities, but we cannot find any properties of singutlarities, which distinguishes real and imaginary extensions. On the other hand I was able to prove the singular locus of the fundamental equation of a number field is contained in the zero points of a homogeneous form, which Hilbert called the Einheitsform in his Zahlbericht.

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Published: 2014-08-29  

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