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Contact Information


Visit Panos Giannopoulos

A304, College Building

Postal Address

City, University of London
Northampton Square
United Kingdom



Panos is a Lecturer in Algorithms/Computational Geometry at the giCentre. His research interests include geometric optimization, approximation algorithms and fixed-parameter (in)tractability.


  1. Habilitation, Free University of Berlin, Germany
  2. PhD, Utrecht University, The Netherlands
  3. MSc, Imperial College London, United Kingdom
  4. Fellow, Higher Education Academy, United Kingdom

Postgraduate training

  1. PGCert in HE, Middlesex University, London, United Kingdom


  1. Lecturer, City, University London, 2019 – present
  2. (Senior) Lecturer, Middlesex University, 2014 – 2019
  3. Research Fellow, University of Bayreuth, 2011 – 2014
  4. Research Fellow, Free University of Berlin, 2008 – 2014


Conference papers and proceedings (4)

  1. Giannopoulos, P. and Bonnet, É. (2018). Orthogonal Terrain Guarding is NP-complete. 34th International Symposium on Computational Geometry (SoCG 2018) 11-14 June, Budapest.
  2. Giannopoulos, P., Bonnet, É., Kim, E.J., Rzazewski, P. and Sikora, F. (2018). QPTAS and Subexponential Algorithm for Maximum Clique on Disk Graphs. 34th International Symposium on Computational Geometry (SoCG 2018) 11-14 June, Budapest.
  3. Giannopoulos, P., Bonnet, É. and Lampis, M. (2017). On the Parameterized Complexity of Red-Blue Points Separation. 12th International Symposium on Parameterized and Exact Computation (IPEC 2017) 4-8 September, Vienna.
  4. Giannopoulos, P., Abrahamsen, M., Löffler, M. and Rote, G. Geometric Multicut. 46th International Colloquium on Automata, Languages, and Programming (ICALP 2019)..

Journal articles (2)

  1. Alt, H., Cabello, S., Giannopoulos, P. and Knauer, C. (2017). Minimum Cell Connection in Line Segment Arrangements. International Journal of Computational Geometry & Applications, 27(03), pp. 159–176. doi:10.1142/s0218195917500017.
  2. Cabello, S. and Giannopoulos, P. (2016). The Complexity of Separating Points in the Plane. Algorithmica, 74(2), pp. 643–663. doi:10.1007/s00453-014-9965-6.

Other Activities

Editorial activity (3)

  1. Young Researchers Forum, SoCG 2019, Programme Commitee Member, Mar – Jul 2019.
  2. EWCG 2018, Programme Committee Member, 2018.
  3. Multimedia Track, SoCG 2012, Programme Committee Member, 2012.