Kostas Kollias


I am a fifth year PhD candidate in the department of Management Science and Engineering advised by Tim Roughgarden.

My office is in #460 at 353 Serra Mall, Stanford, CA 94305. My email address is kkollias@stanford.edu.

I am a co-organizer for the RAIN seminar. Come and check out the wonderful talks (and lunch)!

I was a Summer '14 research intern at Microsoft Research Silicon Valley hosted by Sreenivas Gollapudi.

Thesis Topic

Cost-sharing in networks games

Submitted and Working Papers

S. Gollapudi, K. Kollias, and D. Panigrahi. Incentive-aware group formation in education.

S. Gollapudi, K. Kollias, and D. Panigrahi. Inefficiency of equilibria in covering games.

Published Papers

V. Gkatzelis, K. Kollias, and T. Roughgarden. Optimal cost-sharing in weighted congestion games. WINE '14. [link]

K. Kollias and T. Roughgarden. Restoring pure equilibria to weighted congestion games. ICALP '11. [link]

R. Bhattacharjee, A. Goel, and K. Kollias. An incentive-based architecture for social recommendations. ACM RecSys '09. [link]

V. Verroios, K. Kollias, P. K. Chrysanthis, and A. Delis. Adaptive navigation of vehicles in congested road networks. ICPS '08. [link]

K. Kollias. Nonpreemptive coordination mechanisms for identical machine scheduling games. SIROCCO '08/TOCS '13. [link]