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Pavel Veselý

Welcome! I am currently a postdoc (officially called Research Fellow) of professor Graham Cormode. Starting from May 2021, I will be an assistant professor at the Computer Science Institute of Charles University in Prague.

In years 2014-2018, I was a PhD student at the Computer Science Institute of Charles University in Prague. My adviser was professor Jiří Sgall.
More about me can be found in CV.

I have recently served on the Program Committee of WAOA 2020.

Contact

Office: 2.31, Computer Science building, University of Warwick my bedroom until University of Warwick reopens the department
Email: pavel dot vesely at warwick dot ac dot uk
Please do not contact me regarding supervision of research projects (and apologies for not always responding to such requests).

News

  • 1. 9. 2020: I have started as an assistant professor at the Computer Science Institute of Charles University in Prague (currently, I'm on a leave there till April 2021).
  • 17. 7. 2020: We have prepared a paper about relative error streaming quantiles with a new algorithm for this problem. There's also a proof-of-concept Python implementation of our algorithm.
  • 16. 1. 2020: We updated the arXiv version of our optimal lower bound for quantile summaries (or, more simply, for finding the median in a data stream). We've added more intuition on how it works, and also included a new (relatively simple) lower bound for a related problem of biased quantiles.
  • 1. 7. 2019: We updated the arXiv version of the packet scheduling paper with a φ-competitive algorithm. The analysis is rewritten in an equivalent way that is hopefully more intuitive, and some other parts of the paper are also revised. Stay tuned, another revision will follow in O(1) months!
  • 14. 5. 2019: Two new papers about streaming algorithms appeared at arXiv: one with a tight lower bound for quantile summaries and the other about bin packing and vector scheduling.
  • 25. 9. 2018: I successfully defended my thesis, which ended up my studies (after 4 years of PhD, 9 years at Charles University, and 22 years in total!).
  • 3. 9. 2018: I have started as a postdoc of Graham Cormode at the University of Warwick.

Research Interests

I am interested in theoretical computer science and combinatorics, with particular focus on designing efficient algorithms and data structures, specifically:
  • streaming algorithms,
  • online algorithms (currently mainly for buffer management problems),
  • approximation algorithms,
  • packing and scheduling problems,

and more.

Some recent collaborators

Publications