Families of A 1-contractible affine threefolds
Families of A 1-contractible affine threefolds
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A 1-可收缩仿射三重族
DOI:
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发表时间:
2017
期刊:
影响因子:
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通讯作者:
J. Fasel
中科院分区:
文献类型:
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作者:
A. Dubouloz;J. Fasel
We provide families of affine threefolds which are A1-contractible (that is, contractible in the unstable A1-homotopy category of Morel–Voevodsky) and pairwise non-isomorphic, thus answering a conjecture of Asok and Doran. As a particular case, we show that the Koras–Russell threefolds of the first kind are A1-contractible, extending results of Hoyois, Krishna and Østvær.