Seminar
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| Location: | SLMath: Eisenbud Auditorium |
Keywords and Mathematics Subject Classification (MSC)
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Median spaces have nice embeddings into L^1. Embeddings into L^1 are useful e.g. in computer science, as then one gets access to good algorithms. In 2006 Cheeger and Kleiner showed that the integer Heisenberg group does not bi-Lipschitz embed into L^1. This talk will discuss some of this background as a warm-up for Robert Young's talk(s) later in the semester where he discusses his recent breakthrough with Assaf Naor showing that the (5-dimensional) Heisenberg group fails to embed into L^1 in essentially the worst possible way.
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