SUNNY YANG XIAO
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Publications and Preprints: 
  • Incompressible Surfaces in Hyperbolic 4-punctured Sphere Bundles (in preparation) 
  • Characterizing Covers by Lifts of Simple Closed Curves and Simple Lifting, with Aougab, T., Lahn, M., Loving, M. (in preparation)
  • Automorphism Groups of the k-Curve Graph, with Agrawal, S., Aougab, T.,  Chandran, Y., Loving, M., Oakley, J., Shapiro, R. (submitted, arxiv link).
  • Combinatorics of k-Farey Graphs, with  Gaster, J ., Lopez, M., Rexer, E., Riell, Z. (to appear in Rocky Mountain Journal of Mathematics., pdf, arxiv link) . ​
  • Non-archimedean Connected Julia ets with Branching, with Bajpai,D.,  Benedetto, R.L.,  Chen,R.,  Kim, E.,  Marshall, O.,  and Onul, D. Ergodic Theory and Dynamical Systems, 37(1), pp.5978, 2017 (arxiv link here).  ​
  • Undergraduate Thesis: 1-2 Quadruples in self-similar unbounded Apollonian circle packings. 


Data Science Experience: 
  • In Summer 2019, I worked as a data science intern on the Newsfeed team at Facebook. My project focused on estimating the trade-offs between key metrics using causal inference. 
  • In Summer 2017, while TAing for Summer@ICERM 2017 on Topological Data Analysis, I worked with Daniel Lopez, Gabrielle Ferra, and Facundo Memoli (project leader) to identify high efficiency zeolites using persistent homology and various visualization schemes. 
  • In Spring 2017,  I took a course in data science and completed a project on " The 'Trump Effects' on Europe".  Here's a poster that summarizes my team's efforts and results. 
  • In March 2017, I participated in the Brown Datathon. Together with my teammates, Isaac Solomon and Jeroen Chua, we came in 3rd place with a project on predicting smartphone user movements from accelerometer data.
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  • Home
  • Research
  • Teaching
  • Equity and Justice
  • About Me