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Linear systems over Z[Q32] and roots of maps of some 3-complexes into MQ32
Topology and its Applications ( IF 0.6 ) Pub Date : 2020-12-30 , DOI: 10.1016/j.topol.2020.107566
Claudemir Aniz

Let Z[Q32] be the group ring where Q32=x,y|x8=y2,xyx=y is the quaternion group of order 32 and ε the augmentation map. We show that, if PX=K(x1) and PX=K(xy+1) has solution over Z[Q32] and all m×m minors of ε(P) are relatively prime, then the linear system PX=K has a solution over Z[Q32]. As a consequence of such results, we show that there is no map f:WMQ32 that is strongly surjective, i.e., such that MR[f,a]=min{#(g1(a))|g[f]}0. Here, MQ32 is the orbit space of the 3-sphere S3 with respect to the action of Q32 determined by the inclusion Q32S3 and W is a CW-complex of dimension 3 with H3(W;Z)=0.



中文翻译:

线性系统 ž[32] 和一些3络合物的图的根 中号32

ž[32] 成为团体戒指 32=Xÿ|X8=ÿ2个XÿX=ÿ是阶数为32的四元数组,而ε是扩充图。我们证明,如果PX=ķX-1个PX=ķ-Xÿ+1个 解决了 ž[32] 和所有 × 未成年人 εP 相对质数,那么线性系统 PX=ķ 有一个解决方案 ž[32]。由于这种结果,我们表明没有地图Fw ^中号32 那是非常排斥的,即 中号[R[F一种]={G-1个一种|G[F]}0。这里,中号32 是3球的轨道空间 小号3 关于...的行动 32 由包含决定 32小号3w ^是一个CW -配合物尺寸3的与H3w ^;ž=0

更新日期:2020-12-30
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