In this talk, we study two different diffusion models on the random graphs. In the first part, we
consider first passage percolation. We analyze the impact of the edge weights on distances
in sparse…

Friday, May 2
2:20 p.m. – Presentation – 253 Rhodes Hall
Philippe Rigollet
The statistical price to pay for computational efficiency in sparse PCA
Computational limitations of…

ORIE/Statistics Colloquium: Sahand Negahban (MIT) - Structured Estimation in High-Dimensions
Wednesday, February 20, 2013 at 4:15pm
Frank H. T. Rhodes Hall, 253
Modern techniques in data accumulation…

CAM Colloquium: Mason Porter (Oxford) - Cascades and Social Influence on Networks
Friday, February 1, 2013 at 3:30pm
Frank H. T. Rhodes Hall, 655
Cascades and Social Influence on NetworksI discuss…

CAM Colloquium: Mason Porter (Oxford) - Cascades and Social Influence on Networks
Friday, February 1, 2013 at 3:30pm
Frank H. T. Rhodes Hall, 655
Cascades and Social Influence on NetworksI discuss…

Tridiagonal matrices appear almost everywhere (like 2nd order differential operators).This talk grew out of four very different applications: 1. (positive definite) Completion to maximum…