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Logic Seminar

Twists and Twistability

Rebecca Coulson, Rutgers University

Location:  HILL 705
Date & time: Monday, 06 November 2017 at 5:00PM - 6:00PM

Abstract: We introduce the concept of a twist, which is an isomorphism up to a permutation of the structure's language. We developed this concept in the course of proving results about metrically homogeneous graphs. This concept proved useful for partial classification results as well as finiteness results. The concept of a twist surprisingly is present in other work by Cameron and Tarzi, as well as by Bannai and Ito. We will discuss our results and their connections to other work.


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