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arXiv 1502.05569math.AT
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Steenrod代数上五元多项式代数模的极小生成元集

On a minimal set of generators for the polynomial algebra of five variables as a module over the Steenrod algebra

Dang Vo Phuc, Nguyen Sum

摘要:

用$P_k$表示二元素域$\mathbb F_2$上的分次多项式代数$\mathbb F_2[x_1,x_2,\ldots ,x_k]$,每个$x_i$的次数为1。本文研究了$P_k$作为模在$2$ Steenrod代数$\mathcal{A}.$上的生成元的极小集的Peterson击中问题.在本文中,我们明确地确定了$P_k$在$k=5$和度$4(2^d - 1)$的情形下的$\mathcal{A}$ -生成元的极小集,其中$d$为任意正整数.

英文摘要:

Denote by $P_k$ the graded polynomial algebra $\mathbb F_2[x_1,x_2,\ldots ,x_k]$ over the prime field of two elements, $\mathbb F_2$, with the degree of each $x_i$ being 1. We study the Peterson hit problem of determining a minimal set of generators for $P_k$ as a module over the mod-$2$ Steenrod algebra, $\mathcal{A}.$ In this paper, we explicitly determine a minimal set of $\mathcal{A}$-generators for $P_k$ in the case $k=5$ and the degree $4(2^d - 1)$ with $d$ an arbitrary positive integer.

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