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LATIN 2006: Theoretical Informatics [2006]

1
Algorithmic Challenges in Web Search Engines
8
RNA Molecules: Glimpses Through an Algorithmic Lens
11
Squares
13
Matching Based Augmentations for Approximating Connectivity Problems
25
Modelling Errors and Recovery for Communication
26
Lossless Data Compression Via Error Correction
28
The Power and Weakness of Randomness in Computation
30
A New GCD Algorithm for Quadratic Number Rings with Unique Factorization
43
On Clusters in Markov Chains
56
An Architecture for Provably Secure Computation
68
Scoring Matrices That Induce Metrics on Sequences
80
Data Structures for Halfplane Proximity Queries and Incremental Voronoi Diagrams
93
The Complexity of Diffuse Reflections in a Simple Polygon
105
Counting Proportions of Sets: Expressive Power with Almost Order
118
Efficient Approximate Dictionary Look-Up for Long Words over Small Alphabets
130
Relations Among Notions of Security for Identity Based Encryption Schemes
142
Optimally Adaptive Integration of Univariate Lipschitz Functions
154
Classical Computability and Fuzzy Turing Machines
166
An Optimal Algorithm for the Continuous/Discrete Weighted 2-Center Problem in Trees
178
An Algorithm for a Generalized Maximum Subsequence Problem
190
Random Bichromatic Matchings
202
Eliminating Cycles in the Discrete Torus
211
On Behalf of the Seller and Society: Bicriteria Mechanisms for Unit-Demand Auctions
224
Pattern Matching Statistics on Correlated Sources
238
Robust Model-Checking of Linear-Time Properties in Timed Automata
250
The Computational Complexity of the Parallel Knock-Out Problem
262
Reconfigurations in Graphs and Grids
274
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286
Local Construction of Planar Spanners in Unit Disk Graphs with Irregular Transmission Ranges
298
An Efficient Approximation Algorithm for Point Pattern Matching Under Noise
311
Oblivious Medians Via Online Bidding
323
Efficient Computation of the Relative Entropy of Probabilistic Automata
337
A Parallel Algorithm for Finding All Successive Minimal Maximum Subsequences
349
De Dictionariis Dynamicis Pauco Spatio Utentibus
362
Customized Newspaper Broadcast: Data Broadcast with Dependencies
374
On Minimum <Emphasis Type="Italic">k</Emphasis>-Modal Partitions of Permutations
386
Two Birds with One Stone: The Best of Branchwidth and Treewidth with One Algorithm
398
Maximizing Throughput in Queueing Networks with Limited Flexibility
410
Network Flow Spanners
423
Finding All Minimal Infrequent Multi-dimensional Intervals
435
Cut Problems in Graphs with a Budget Constraint
447
Lower Bounds for Clear Transmissions in Radio Networks
455
Asynchronous Behavior of Double-Quiescent Elementary Cellular Automata
467
Lower Bounds for Geometric Diameter Problems
479
Connected Treewidth and Connected Graph Searching
491
A Faster Algorithm for Finding Maximum Independent Sets in Sparse Graphs
502
The Committee Decision Problem
515
Common Deadline Lazy Bureaucrat Scheduling Revisited
524
Approximate Sorting
532
Stochastic Covering and Adaptivity
544
Algorithms for Modular Counting of Roots of Multivariate Polynomials
556
Hardness Amplification Via Space-Efficient Direct Products
569
The Online Freeze-Tag Problem
580
I/O-Efficient Algorithms on Near-Planar Graphs
592
Minimal Split Completions of Graphs
605
Design and Analysis of Online Batching Systems
617
Competitive Analysis of Scheduling Algorithms for Aggregated Links
629
A 4-Approximation Algorithm for Guarding 1.5-Dimensional Terrains
641
On Sampling in Higher-Dimensional Peer-to-Peer Systems
653
Mobile Agent Rendezvous in a Synchronous Torus
665
Randomly Colouring Graphs with Girth Five and Large Maximum Degree
677
Packing Dicycle Covers in Planar Graphs with No <Emphasis Type="Italic">K</Emphasis> <Subscript>5</Subscript>–<Emphasis Type="Italic">e</Emphasis> Minor
689
Sharp Estimates for the Main Parameters of the Euclid Algorithm
703
Position-Restricted Substring Searching
715
Rectilinear Approximation of a Set of Points in the Plane
727
The Branch-Width of Circular-Arc Graphs
737
Minimal Eulerian Circuit in a Labeled Digraph
745
Speeding up Approximation Algorithms for NP-Hard Spanning Forest Problems by Multi-objective Optimization
757
<Emphasis Type="SmallCaps">RISOTTO</Emphasis>: Fast Extraction of Motifs with Mismatches
769
Minimum Cost Source Location Problems with Flow Requirements
781
Exponential Lower Bounds on the Space Complexity of OBDD-Based Graph Algorithms
793
Constructions of Approximately Mutually Unbiased Bases
800
Improved Exponential-Time Algorithms for Treewidth and Minimum Fill-In
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