Uniqueness of smooth extensions of generalized cohomology theories

Uniqueness of smooth extensions of generalized cohomology theories
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广义上同调理论平滑扩张的唯一性

DOI:
10.1112/jtopol/jtq002
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发表时间:
2009
影响因子:
1.1
通讯作者:
T. Schick
T. Schick
中科院分区:
数学1区
文献类型:
--
作者:
U. Bunke;T. Schick

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我们为研究广义上同调理论的光滑扩张提供了一个公理化的框架。我们的主要结果是关于光滑扩张的唯一性,以及平坦理论与相关的上同调理论的识别。特别地,我们证明了K-理论和MU-协边性存在唯一的光滑扩展,并且具有唯一的乘法,并且在这些情况下,平坦理论自然同构于同伦理论家的具有λ/λ-系数的上同调理论。为此,我们只需要一小部分自然相容性条件。
We provide an axiomatic framework for the study of smooth extensions of generalized cohomology theories. Our main results are about the uniqueness of smooth extensions, and the identification of the flat theory with the associated cohomology theory with ℝ/ℤ‐coefficients. In particular, we show that there is a unique smooth extension of K‐theory and of MU‐cobordism with a unique multiplication, and that the flat theory in these cases is naturally isomorphic to the homotopy theorist's version of the cohomology theory with ℝ/ℤ‐coefficients. For this we only require a small set of natural compatibility conditions.
Landweber 精确的形式群定律和平滑上同调理论
DOI: 10.2140/agt.2009.9.1751
发表时间: 2009
期刊: arXiv: K-Theory and Homology
影响因子: --
作者:
U. Bunke;T. Schick;I. Schröder;M. Wiethaup
通讯作者: M. Wiethaup