5th Athens Colloquium on Algorithms and Complexity – ACAC 2010
August 26 – 27, National Technical University of Athens, Greece

Thursday, August 26

9:15 9:30

Opening Remarks

9:30 – 10:30

Invited Session 1

Lefteris Kirousis, University of Patras and RA Computer Technology Institute
Coloring Random Graphs: A Short and Biased Survey

10:30 – 11:00

Coffee Break

11:00 – 13:00

Session 1

Ioannis Caragiannis, University of Patras and RA Computer Technology Institute
Socially Desirable Approximations for Dodgson's Voting Rule

Evangelos Markakis, Athens University of Economics and Business
Approximation Algorithms and Mechanism Design for Minimax Approval Voting

Orestis Telelis, CWI Amsterdam
Discrete Strategies in Keyword Auctions and their Inefficiency for Locally Aware Bidders

Angelina Vidali, Max-Planck Institut fur Informatik
Unification of Characterizations of Combinatorial Auction's Subdomains

13:00 – 14:00

Lunch Break

14:00 – 16:00

Session 2

Aris Anagnostopoulos, University of Rome La Sapienza
Online Network Design with Outliers

Panagiotis Cheilaris, Ben-Gurion University of the Negev
Graph Unique-Maximum and Conflict-Free Colourings

Tobias Mueller, CWI Amsterdam
Line Arrangements and Geometric Graph Classes

Tamara Mchedlidze, National Technical University of Athens
Unilateral Orientation of Mixed Graphs

16:00 – 16:30

Coffee Break

16:30 – 18:00

Session 3

Aristeidis Tentes, New York University
On the (In)Security of RSA Signatures

Paris Koutris, National Technical University of Athens
k-shot Distributed Broadcasting in Radio Networks

Othon Michail, RA Computer Technology Institute, Patras
New Models for Population Protocols

Friday, August 27

9:30 – 10:30

Invited Session 2

Ioannis Emiris, National and Kapodistrian University of Athens
Euclidean Embeddings of Rigid Graphs

10:30 – 11:00

Coffee Break

11:00 – 13:00

Session 4

Iordanis Kerenidis, CNRS - University Paris
On the Power of a Unique Quantum Witness

Spyridon Antonakopoulos, Bell Laboratories, Alcatel-Lucent
Minimum-Cost Network Design with (Dis)economies of Scale

Nikos Mutsanas, IDSIA, Lugano
Scheduling with Precedence Constraints of Low Fractional Dimension

Elias Tsigaridas, Aarhus University
Random Polynomials and Expected Complexity of Real Solving

13:00 – 14:00

Lunch Break

14:00 – 15:30

Session 5

Alexis Kaporis, University of the Aegean
Interpolation Search

Emmanouil Pountourakis, Northwestern University
A Complete Characterization of Group-Strategyproof Mechanisms of Cost-Sharing

Vasilis Gkatzelis, Courant Institute, New York University
Coordination Mechanisms for Weighted Sum of Completion Times in Machine Scheduling

15:30 – 16:00

Coffee Break

16:00 – 17:00

Session 6

Simon Yoffe, Tel-Aviv Academic College
A Simple and Efficient Union-Find-Delete Algorithm

Vissarion Fisikopoulos, National and Kapodistrian University of Athens
Enumerating Classes of Regular Triangulations

17:00 – 17:45

Break

17:45 – 18:30

Invited Session 3

Costis Daskalakis, Massachussets Institute of Technology
Geometrically Embedded Local Search

21:00

Dinner, Taverna Virinis (Archimidous 11, Pagkrati, Tel: 210-7012153)