Date | Jun 16, 2022 |
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Speaker | 오상록 |

Dept. | 경북대학교 |

Room | 129-301 |

Time | 13:00-14:30 |

A quasi-isometry between the universal covers of n-dimensional special cube complexes preserves n-dimensional flats up to finite Hausdorff distance. From this fact we can define an intersection complex of the cover, which turns out to be a quasi-isometry invariant. In this talk, I will introduce an isometry between intersection complexes induced from the quasi-isometry and talk about its applications to 2-dimensional right-angled Artin groups and graph 2-braid groups.

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