Machine Learning Group Seminar

Computer Science, University of Iowa

Organizer: Tianbao Yang

Maintained by: Yi Xu 

Location: B13 MacLean Hall (MLH) 

Hours: 1:30pm - 3:30pm Friday

Week

Date

Topic

Presenter


Week 5

Feburary 16, 2018

Understanding Black-box Predictions via Influence Functions


Xin Man


Week 6

Feburary 23, 2018

Accelerating Stochastic Gradient Descent


Mingrui Liu


Week 7

March 02, 2018

Concise Complexity Analyses for Trust-Region Methods


Yi Xu


Week 8

March 09, 2018

Convergence Rate Analysis of a Stochastic Trust Region Method for Nonconvex Optimization


Runchao Ma


Week 9

March 16, 2018

Spring Break

None


Week 10

March 23, 2018

A trust region algorithm with a worst-case iteration complexity of O(ϵ^-3/2) for nonconvex optimization


Hassan Rafique


Week 11

March 30, 2018

How To Make the Gradients Small Stochastically


Yan Yan


Week 12

April 06, 2018

Complexity of finding near-stationary points of convex functions stochastically
Stochastic subgradient method converges at the rate O(k−1/4) on weakly convex functions


Yi Xu


Week 13

April 13, 2018

Minimizing Nonconvex Population Risk from Rough Empirical Risk


Mingrui Liu


Week 14

April 20, 2018

An Alternative View: When Does SGD Escape Local Minima?


Runchao Ma


Week 15

April 27, 2018

Stochastic Primal-Dual Coordinate Method for Regularized Empirical Risk Minimization


Yan Yan


Week 16

May 04, 2018

Efficiency of minimizing compositions of convex functions and smooth maps


Hassan Rafique


Week 17

May 11, 2018

Final Exam Week

None