The cohomology of motivic A(2)

The cohomology of motivic A(2)
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动机 A(2) 的上同调

DOI:
10.4310/hha.2009.v11.n2.a13
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发表时间:
2009
期刊:
arXiv: Algebraic Topology
影响因子:
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通讯作者:
Daniel Isaksen
Daniel Isaksen
中科院分区:
--
文献类型:
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作者:
Daniel Isaksen

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在一个特征为零的代数闭域上,我们计算了由Sq^1、Sq^2和Sq^4生成的原动机Steenrod代数的子代数A(2)的上同调。计算方法是May谱序列的一个动机版本。 推测性地假设存在具有某些性质的“motivic模形式”谱,我们使用亚当斯-诺维科夫谱序列来计算这样的谱在素数2处的同伦。
Working over an algebraically closed field of characteristic zero, we compute the cohomology of the subalgebra A(2) of the motivic Steenrod algebra that is generated by Sq^1, Sq^2, and Sq^4. The method of calculation is a motivic version of the May spectral sequence. Speculatively assuming that there is a "motivic modular forms" spectrum with certain properties, we use an Adams-Novikov spectral sequence to compute the homotopy of such a spectrum at the prime 2.