Some Remarks on Units in Grothendieck-Witt Rings

Some Remarks on Units in Grothendieck-Witt Rings
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关于格洛腾迪克-维特环中单位的一些评论

DOI:
10.1016/j.jalgebra.2017.12.004
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发表时间:
2016
期刊:
arXiv: K-Theory and Homology
影响因子:
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通讯作者:
Tom Bachmann
Tom Bachmann
中科院分区:
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文献类型:
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作者:
Tom Bachmann

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建立了Grothendieck-Witt环上的新结构,包括单位群GW(k)×上的GW(k)-模结构和GW ×作为无限Gm-圈层的表示.即使我们的建设是出于投机稳定的A1同伦理论,我们的论点是纯粹的代数。
We establish new structures on Grothendieck–Witt rings, including a G W (k)-module structure on the unit group G W (k)× and a presentation of G W _× as an infinite G m-loop sheaf. Even though our constructions are motivated by speculations in stable A 1-homotopy theory, our arguments are purely algebraic.