《局部域》主要内容:The goal of this book is to present local class field theory from the cohomological point of view, following the method inaugurated by Hochschild and developed by Artin-Tate. This theory is about extensions——primarily abelian——of "local" (i.e., complete for a discrete valuation) fields with finite residue field. For example, such fields are obtained by completing an algebraic number field; that is one of the aspects of "localisation".
The chapters are grouped in "parts". There are three preliminary parts: the first two on the general theory of local fields, the third on group cohomology. Local class field theory, strictly speaking, does not appear until the fourth part.
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从头到尾每个定理每一步都推倒一遍。。。。读了半年多。。。代数基本功强行补回来。。。接下来,52。。。
评分从头到尾每个定理每一步都推倒一遍。。。。读了半年多。。。代数基本功强行补回来。。。接下来,52。。。
评分前面的代数数论与群的上同调(包括Galois上同调)都是比较有趣的,在简明的基础上也有比较细致的讨论,特别是对分歧群的若干讨论,后面的局部类域论看得稍微马虎了一点,毕竟不是专门研究代数数论的啊~
评分Serre的书本本经典
评分从头到尾每个定理每一步都推倒一遍。。。。读了半年多。。。代数基本功强行补回来。。。接下来,52。。。
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