Hoi-To Wai

Postdoctoral Scholar
School of Electrical, Computer and Energy Engineering
Arizona State University, Tempe
Email: htwai at asu dot edu

Brief Bio

I am currently a visiting scholar at LIDS, MIT working with Prof. Asuman E. Ozdaglar. I am also working with Prof. Anna Scaglione and Prof. Angelia Nedich as a Postdoctoral Scholar. I received my B. Eng (with first class Honor) and M. Phil. from The Chinese University of Hong Kong, working with Prof. Wing-kin (Ken) Ma in Spring 2010 and 2012, respectively, and my PhD degree from Arizona State University in Fall 2017. Previously, I have held research/visiting positions at Télécom ParisTech, Ecole Polytechnique, working with Prof. Eric Moulines and at UC Davis.

My research interests lie in the area of optimization theory, machine learning and signal processing, with the focus on their applications to network science. My PhD dissertation has received the 2017's Dean's Dissertation Award at ASU's Ira A. Fulton Schools of Engineering [Coverage on Full Circle].

I will be joining the Department of Systems Engineering and Engineering Management of Chinese University of Hong Kong as an Assistant Professor from December 2018. I am looking for students interested in working with network data or optimization theory. Contact me if you are interested in working with me.

Check out my CV [here].

Recent News

  • July 2018: Our paper, "SUCAG: Stochastic Unbiased Curvature-aided Gradient Method for Distributed Optimization" (with Nick, Angelia and Anna), has been accepted by IEEE CDC 2018, see you in Miami! Check out the preprint here.
  • June 2018: Our paper, "A Review of Distributed Algorithms for Principal Component Analysis" (with Sissi, Lin and Anna), has been accepted by the Proceedings of the IEEE.
  • Apr. 2018: Our paper, "Community Detection from Low Rank Excitations of a Graph Filter" (with Santiago, Asu, Anna and Ali), has received a "Best Student Paper Award" at IEEE ICASSP 2018 this year! Check out the preprint here.
  • Recent Publications

    • S.-X. Wu, H.-T. Wai and A. Scaglione, ``Estimating Social Opinion Dynamics Models from Voting Records'', in IEEE Transactions on Signal Processing, Mar., 2018, to appear.
    • H.-T. Wai, W. Shi, A. Nedich and A. Scaglione, ``Curvature-aided Incremental Aggregated Gradient Method'', in Prof. Allerton, Oct., 2017, to appear.
    • H.-T. Wai, J. Lafond, A. Scaglione and E. Moulines, ``Decentralized Frank-Wolfe Algorithm for Convex and Non-convex Problems'', IEEE Transactions on Automatic Control, Nov., 2017.

Recent Awards and Honors

  • Best Student Paper Award for the paper on "Community Detection from Low Rank Excitations of a Graph Filter", IEEE ICASSP 2018.
  • Dean's Dissertation Award, Ira A. Fulton Schools of Engineering, 2017 [Full Circle]
  • Graduate College Travel Award, ASU GPSA, 2017