Ερευνητικά Ενδιαφέροντα

Γενικά

Σχεδίαση, ανάλυση και αποδοτική υλοποίηση αλγορίθμων και δομών δεδομένων.

Συγκεκριμένα:

  • αλγόριθμοι γραφημάτων
    • ταιριάσματα με προτιμήσεις
    • βάσεις κύκλων και αλγεβρική θεωρία γραφημάτων
  • τεχνολογίες υλοποίησης αλγορίθμων και αλγόριθμοι εξωτερικής μνήμης
  • υπολογιστική γεωμετρία και γεωγραφικά συστήματα πληροφοριών (GIS)


Επιτροπές Συνεδρίων

  • ICTCS'07, 10th Italian Conference on Theoretical Computer Science.
 

Θέσεις

  • Minimum Cycle Basis, Algorithms and Applications. [pdf]
    PhD thesis, Max-Planck Institut für Informatik, Universität des Saarlandes, 2006.
 

Χειρόγραφα ή Τεχνικές Αναφορές

  • with C-C. Huang, T. Kavitha, and M. Nasre.
    Bounded Unpopularity Matchings
    Submitted to Algorithmica. [pdf]
 

Περιοδικά

  • with Kurt Mehlhorn.
    Minimum Cycle Bases: Faster and Simpler 
    ACM Transactions on Algorithms, 6(1): 2009 [pdf]
  • with T.Kavitha and K. Mehlhorn.
    New Approximation Algorithms for Minimum Cycle Bases of Graphs. 
    Algorithmica. [web]
  • with T. Kavitha, C. Liebchen, K. Mehlhorn, R. Rizzi, T. Ueckerdt, and K. A. Zweig.
    Cycle bases in graphs: Characterization, Algorithms, Complexity, and Applications. 
    Computer Science Review, 3(4): 199-243, 2009.
  • with T. Kavitha, K. Mehlhorn, and K. Paluch.
    An O(m2nlogn) Algorithm for Minimum Cycle Basis of Graphs
    Algorithmica, 52(3): 333-349, 2008. [web]
  • Reducing Rank-Maximal to Maximum Weight Matching
    Theoretical Computer Science, 389(1-2): 125-132, 2007. [ps.gz, pdf, web]
  • with C. Gotsman, K. Kaligosi, K. Mehlhorn, and E. Pyrga.
    Cycle Bases of Graphs and Sampled Manifolds.
    Computer Aided Geometric Design, 24(8-9):464-480, 2007.
    Special issue: Discrete Differential Geometry [ps.gz, pdf, web]
  • with T. Kavitha, K. Mehlhorn, and K. Paluch.
    Strongly Stable Matchings in Time O(nm) and Extension to the Hospitals-Residents problem. [ps.gz, pdf, web]
    ACM Transactions on Algorithms, 3(2), 2007.
  • with K. Mehlhorn.
    Implementing Minimum Cycle Basis Algorithms. [ps.gz, pdf, web]
    ACM Journal of Experimental Algorithmics, 11(2):1-14, 2006.
  • with R. Irving, T. Kavitha, K. Mehlhorn, and K. Paluch.
    Rank-maximal Matchings. [ps.gz, pdf, web]
    ACM Transactions on Algorithms, 2(4):602-610, 2006.
 

Συνέδρια (με κρίση)

  • with C-C. Huang, T. Kavitha, and M. Nasre.
    Bounded Unpopularity Matchings [ps.gz, pdf, web]
    In Proceedings of the 11th Scandinavian Workshop on Algorithm Theory (SWAT'08).
  • with T. Kavitha, and K. Mehlhorn.
    New Approximation Algorithms for Minimum Cycle Bases of Graphs. [ps.gz, pdf, web]
    In Proceedings of the 24th International Symposium on Theoretical Aspects of Computer Science (STACS'07).
  • with K. Mehlhorn.
    Implementing Minimum Cycle Basis Algorithms. [ps.gz, pdf, web]
    In Proceedings of the 4th International Workshop on Efficient and Experimental Algorithms (WEA'05).
  • with T. Kavitha, K. Mehlhorn, and K. Paluch.
    A Faster Algorithm for Minimum Cycle Basis of Graphs. [ps.gz, pdf, web]
    In Proceedings of the 31st International Colloquium on Automata, Languages and Programming (ICALP'04).
  • with T. Kavitha, K. Mehlhorn, and K. Paluch.
    Strongly Stable Matchings in Time O(nm) and Extension to the Hospitals-Residents problem. [ps.gz, pdf, web]
    In Proceedings of the 21st International Symposium on Theoretical Aspects of Computer Science (STACS'2004).
  • with R. Irving, T. Kavitha, K. Mehlhorn, and K. Paluch.
    Rank-maximal Matchings. [ps.gz, pdf, web]
    In Proceedings of the 15th Annual ACM-SIAM Symposium on Discrete Algorithms (SODA'04).