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THE ZEROTH -STABLE HOMOTOPY SHEAF OF A MOTIVIC SPACE
Journal of the Institute of Mathematics of Jussieu ( IF 0.9 ) Pub Date : 2021-08-13 , DOI: 10.1017/s1474748021000396 Tom Bachmann 1
中文翻译:
动空间的零稳定同伦层
更新日期:2021-08-13
Journal of the Institute of Mathematics of Jussieu ( IF 0.9 ) Pub Date : 2021-08-13 , DOI: 10.1017/s1474748021000396 Tom Bachmann 1
Affiliation
We establish a kind of ‘degree $0$ Freudenthal ${\mathbb {G}_m}$ -suspension theorem’ in motivic homotopy theory. From this we deduce results about the conservativity of the $\mathbb P^1$ -stabilization functor.
In order to establish these results, we show how to compute certain pullbacks in the cohomology of a strictly homotopy-invariant sheaf in terms of the Rost–Schmid complex. This establishes the main conjecture of [2], which easily implies the aforementioned results.
中文翻译:
动空间的零稳定同伦层
我们在动机同伦理论中建立了一种“度 $0$ Freudenthal ${\mathbb {G}_m}$ - 悬置定理”。由此我们推导出关于 $\mathbb P^1$ -稳定函子的保守性的结果。
为了建立这些结果,我们展示了如何根据 Rost-Schmid 复形计算严格同伦不变层的上同调中的某些回调。这就建立了[2]的主要猜想,很容易推导出上述结果。