C*-Algebra Extensions and K-Homology. (AM-95), Volume 95(Annals of Mathematics Studies)

C *-代数扩展和K-同源性。 (AM-95),第95卷

代数学

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作      者
出  版 社
出版时间
1980年07月21日
装      帧
平装
ISBN
9780691082660
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页      码
108
开      本
9.20 x 6.06 x 0.34
语      种
英文
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图书简介
Recent developments in diverse areas of mathematics suggest the study of a certain class of extensions of C*-algebras. Here, Ronald Douglas uses methods from homological algebra to study this collection of extensions. He first shows that equivalence classes of the extensions of the compact metrizable space X form an abelian group Ext (X). Second, he shows that the correspondence X ⃗ Ext (X) defines a homotopy invariant covariant functor which can then be used to define a generalized homology theory. Establishing the periodicity of order two, the author shows, following Atiyah, that a concrete realization of K-homology is obtained.
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