Probabilistic Methods (concentration of measure, empirical processes)
Complexity Theory (polynomial time
algorithms, convexity)
Applications
Recent Papers and Current Research:
Conditional Quantile Processes based on Series or Many Regressors, with Victor Chernozhukov and Iván Fernández-Val (submitted, pdf)
Approximate group context tree: applications to dynamic programming and dynamic choice models, with Roberto I. Oliveiria (submitted, pdf)
Sparse Models and Methods for Optimal Instruments with an Application to Eminent Domain, with Daniel Chen, Victor Chernozhukov, and Chris Hansen (submitted, pdf)
Does Private Information about Inventories Matter?, with Giuseppe Lopomo and Shouqiang Wang (submitted, pdf)