类别与复杂性交织

Ekansh Jauhari
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引用次数: 0

摘要

我们发展了一个空间 $X$ 的交织分布范畴和序列拓扑复杂性的理论,分别用 $i\mathsf{cat}(X)$ 和 $i\mathsf{TC}_m(X)$ 表示。我们证明,它们与它们各自的分布对应物 $d\mathsf{cat}(X)$ 和 $d\mathsf{TC}_m(X)$,以及它们的经典对应物 $\mathsf{cat}(X)$ 和 $\mathsf{TC}_m(X)$ 一样,满足了大多数漂亮的性质,比如同调不变性和在拓扑群上的特殊行为。我们通过证明对于希格曼群 $\mathcal{H}$ 的所有 $m \ge 2$,$i/mathsf{TC}_m(\mathcal{H})=1$,证明 $i\mathsf{TC}_m$ 和 $d\mathsf{TC}_m$ 的概念对于每个 $m \ge 2$ 都是不同的。利用同调下界,我们还提供了$i\mathsf{cat}(X) > 1$ 的局部有限 CW 复数 $X$ 的各种实例、$i\mathsf{TC}_m(X) > 1$,$i/mathsf{cat}(X) = d\mathsf{cat}(X) =\mathsf{cat}(X)$ 以及 $i\mathsf{TC}(X) = d\mathsf{TC}(X) = \mathsf{TC}(X)$。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Intertwining category and complexity
We develop the theory of the intertwining distributional versions of the LS-category and the sequential topological complexities of a space $X$, denoted by $i\mathsf{cat}(X)$ and $i\mathsf{TC}_m(X)$, respectively. We prove that they satisfy most of the nice properties as their respective distributional counterparts $d\mathsf{cat}(X)$ and $d\mathsf{TC}_m(X)$, and their classical counterparts $\mathsf{cat}(X)$ and $\mathsf{TC}_m(X)$, such as homotopy invariance and special behavior on topological groups. We show that the notions of $i\mathsf{TC}_m$ and $d\mathsf{TC}_m$ are different for each $m \ge 2$ by proving that $i\mathsf{TC}_m(\mathcal{H})=1$ for all $m \ge 2$ for Higman's group $\mathcal{H}$. Using cohomological lower bounds, we also provide various examples of locally finite CW complexes $X$ for which $i\mathsf{cat}(X) > 1$, $i\mathsf{TC}_m(X) > 1$, $i\mathsf{cat}(X) = d\mathsf{cat}(X) = \mathsf{cat}(X)$, and $i\mathsf{TC}(X) = d\mathsf{TC}(X) = \mathsf{TC}(X)$.
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