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University of Cambridge > Talks.cam > Statistics > Network Representation Using Graph Root Distributions

## Network Representation Using Graph Root DistributionsAdd to your list(s) Download to your calendar using vCal - Jing Lei, Carnegie Mellon University
- Friday 15 May 2020, 14:00-15:00
- https://zoom.us/j/95022384263?pwd=N3Z6elB2Vy9Jajd6azlCNjFHQVlKdz09.
If you have a question about this talk, please contact Dr Sergio Bacallado. Exchangeable random graphs serve as an important probabilistic framework for the statistical analysis of network data. This work introduces an alternative parameterization for a large class of exchangeable random graphs, where the nodes are independent random vectors in a linear space equipped with an indefinite inner product, and the edge probability between two nodes equals the inner product of the corresponding node vectors. Therefore, the distribution of exchangeable random graphs in this subclass can be represented by a node sampling distribution on this linear space, which we call the “graph root distribution”. We study existence and identifiability of such representations, the topological relationship between the graph root distribution and the exchangeable random graph sampling distribution, and estimation of graph root distributions. This talk is part of the Statistics series. ## This talk is included in these lists:- https://zoom.us/j/95022384263?pwd=N3Z6elB2Vy9Jajd6azlCNjFHQVlKdz09
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