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FoCS News

Ramanujan Sridharan joins the FoCS group and the Department as a new Assistant Professor

Before joining us, Ramanujan held postdoctoral researcher positions in the Algorithms Group at University of Bergen (2013–2015) and in the Algorithms and Complexity Group at TU Wien (2015–2017). He obtained his PhD in Theoretical Computer Science from The Institute of Mathematical Sciences, Chennai, in 2013.
His research interests are in mainly in algorithms and complexity, specifically in the design of fixed-parameter and approximation algorithms, with a focus on graph and constraint satisfaction problems.
For more information about his research please see his web page at
Sat 14 October 2017, 00:12

Laure Daviaud joins the FoCS Division as a new Research Fellow

Laure DaviaudThe Theory and Foundations Division is welcoming Dr Laure Daviaud, who will be the Research Fellow working with Dr Marcin Jurdzinski and Dr Ranko Lazic on the EPSRC project on Parity Games.

Prior to coming to Warwick, Laure was a postdoc on the ERC project Lipa (Uniwersytet Warszawski), as well as at LIP (ENS Lyon) and LIF (Université d'Aix-Marseille). She obtained her PhD at LIAFA (Université Paris Diderot, CNRS).

Laure's research interests include automata theory, verification, logic, quantitative models and transducers, weighted automata, streaming models, algebraic language theory and topology, tropical algebra and semigroup of matrices.

Mon 04 September 2017, 14:06

Ranko Lazic is a new Leverhulme Research Fellow

The Leverhulme TrustDr Ranko Lazic has been awarded a Leverhulme Research Fellowship for the 2017/18 academic year, to work on the Petri nets reachability conjecture.

Petri nets, also known as vector addition systems, are one of the most prominent models of concurrency, and their study is a vibrant research area. They have been used to discover bugs and eliminate vulnerabilities in network protocols, concurrent software, business processes, hardware circuits, and control systems.

Professor Artur Czumaj, head of the Foundations of Computer Science research group, has commented:

This prestigious fellowship will further strengthen the internationally leading research in theoretical computer science at Warwick, which recently has been also greatly boosted by the new permanent appointments of Dr Sayan Bhattacharya and Dr Dmitry Chistikov.

Tue 28 March 2017, 17:21

Dmitry Chistikov joins the Department as a new Assistant Professor

Dmitry ChistikovThe Department is welcoming our new Assistant Professor Dmitry Chistikov, who will be associated with the Division of Theory and Foundations (FoCS) and the Centre for Discrete Mathematics and its Applications (DIMAP).

After obtaining his Candidate of Sciences (equivalent to PhD) degree at the Department of Computational Mathematics and Cybernetics of Moscow State University, Dmitry was a postdoctoral researcher at the Max Planck Institute for Software Systems, as wel as at the University of Oxford.

The general area of Dmitry's research is theoretical computer science. In particular, he is interested in theoretical foundations of verification: its algorithmic aspects (decision and counting problems) as well as combinatorial aspects (extremal properties and characteristics of mathematical models of computation).

For more information about Dmitry's research, please see his web page.

Tue 28 March 2017, 16:41

Graham Cormode awarded 2017 Adams Prize


Professor Graham Cormode has been awarded the 2017 Adams Prize by the Cambridge Faculty of Mathematics. The award recognizes his work on "Statistical Analysis of Big Data", and is awarded jointly with Professor Richard Samworth of Cambridge. Professor Cormode says,

My work, in common with Prof Samworth's, is about finding mathematical representations of data that allow useful information to be extracted effectively and accurately. These techniques allow ever larger quantities of data to be handled on ordinary computers.

Professor Cormode's work on "data sketches" has been used in companies such as Netflix, Yahoo, Twitter, Google, AT&T and Sprint. He is currently leading Warwick's involvement in the Alan Turing Institute at London, and working on questions to do with verification of machine learning, and privacy.

The prize is worth £15,000 and will be split equally between the two recipients.

Sun 26 March 2017, 23:06

Sylvain Schmitz visits as IAS Residential Fellow

Dr Sylvain SchmitzAs a Residential Fellow of Warwick's Institute of Advanced Study, Dr Sylvain Schmitz is visiting the department 20-24 March 2017, for collaborative research with Dr Ranko Lazic and other members of DIMAP.

Schmitz (PhD University of Nice - Sophia Antipolis 2007) is an Assistant Professor at ENS Paris-Saclay and a permanent member of LSV, one of the top European research centres in logical aspects of computer science. In 2015, Schmitz was a Leverhulme Visiting Professor at Warwick. An author of over 40 articles in international journals and conferences, Schmitz's work has attracted over 500 citations, won best-paper awards, and been presented at several invited talks and European doctoral schools.

Tue 14 March 2017, 09:57

New collaborative project on parity games

A parity game

Dr Marcin Jurdzinski and Dr Ranko Lazic from Warwick's DIMAP inter-disciplinary centre and the Computer Science department, jointly with Dr Sven Schewe, Dr John Fearnley and Dr Dominik Wojtczak from the University of Liverpool, will lead a new research project on solving parity games in theory and practice, to run 2017-2020.

The project will be supported by approx. £750K from the EPSRC across the two sites. The proposal was ranked top at its funding prioritisation panel, and the reviewers said:

This is the strongest and best designed proposal on theoretical computer science I have seen in the last five years.

as well as

The proposal is about fundamental research, but there is a clear path connecting the expected results to concrete industrial needs on program verification and program synthesis.

Professor Artur Czumaj, head of DIMAP and of the Theory and Foundations research division, commented:

This exciting new EPSRC project builds on excellence in theoretical computer science for which Warwick is internationally renowned. It strengthens our collaborative links with Computer Science at Liverpool, who were likewise one of the leading departments for research outputs in the most recent REF.

Tue 14 March 2017, 09:56

Sayan Bhattacharya joins the Department as a new Assistant Professor


The Department is welcoming our new Assistant Professor Sayan Bhattacharya who will be associated with the Division of Theory and Foundations (FoCS) and the Centre for Discrete Mathematics and its Applications (DIMAP).

Sayan obtained his PhD in Computer Science from Duke University (USA) in 2012. Then he did his postdoc at Max Planck Institute for Informatics, Saarbrücken (Germany) and at University of Vienna (Austria). From October, 2014 till February, 2017, he was a faculty member at the Institute of Mathematical Sciences, Chennai (India).

He works in theoretical computer science. Specifically, his research interests are in dynamic graph algorithms, data structures, online algorithms, streaming algorithms, and algorithmic game theory.

For more information about Sayan's research please see his web page at

Tue 07 March 2017, 23:41

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