MFCS'97: Program


In accordance with tradition the scientific program will include 11 invited lectures covering the areas of current interest and 40 short communications describing original research selected by the Program Committee from 94 submitted papers.

Invited speakers: S. Abramsky (UK), L. Babai (USA), H.L. Bodlaender (The Netherlands), N. Dershowitz (USA), C. Dwork (USA), J. Hromkovic (Slovakia), J. Krajicek (Czech Republic), U. Montanari (Italy), R. Reischuk (Germany), D. Roth (Israel), U. Schoening (Germany).

The conference proceedings are published by Springer-Verlag in the series "Lecture Notes in Computer Science" and distributed at the conference. Additional copies may be ordered directly from Springer-Verlag.


Sunday, August 24

14:00 - 22:00
Registration

Monday, August 25

8:45
Opening of MFCS'97

Session 1. Chair: J. van Leeuwen (Utrecht)

9:00
L. Babai (Chicago): Communication Complexity (Invited Lecture)
9:50
C. Dwork (San Jose): Positive Uses of Lattices in Cryptography (Invited Lecture)
10:40
Break
11:05
D. Krznaric (Lund), C. Levcopoulos (Lund): Optimal Algorithms for Complete Linkage Clustering in d Dimensions
11:30
S. Jukna (Trier), A. Razborov (Moscow), P. Savicky (Prague), I. Wegener (Dortmund): On P versus NP \cap co-NP for Decision Trees and Read-Once Branching Programs
11:55
B. Bollig (Dortmund), I. Wegener (Dortmund): Complexity Theoretical Results on Partitioned (Nondeterministic) Binary Decision Diagrams
12:20
M. Mundhenk (Trier): NP-hard Sets Have Many Hard Instances
12:45
Lunch

Session 2. Chair: A. Salwicki (Pau and Warsaw)

14:15
U. Montanari (Menlo Park and Pisa, joint work with G. L. Ferrari): A Tile-Based Coordination View of Pi-Calculus (Invited Lecture)
15:05
F. Afrati (Athens), I. Guessarian (Paris), M. de Rougemont (Paris): The Expressiveness of Datalog Circuits (DAC)
15:30
J. Tyszkiewicz (Aachen): Queries and Algorithms Computable by Polynomial Time Existential Reflective Machines
15:55
Break
16:20
B. Berard (Cachan), C. Picaronny (Cachan): Accepting Zeno Words without Stopping Time
16:45
A. Rensink (Hildesheim), H. Wehrheim (Hildesheim): Dependency-based Action Refinement
17:10
W. Vogler (Augsburg): Partial Order Semantics and Read Arcs
17:35
Z. Khasidashvili (Atsugi), J. Glauert (Norwich): Relating Conflict-free Stable Transition and Event Models
18:00
End of Session
19:00
Welcome Party

Tuesday, August 26

Session 3. Chair: G. Mirkowska (Pau and Warsaw)

9:00
J. Krajicek (Prague): Trends, Problems and Examples in Proof Complexity (Invited Lecture)
9:50
B. Heinemann (Hagen): A Topological Generalization of Propositional Linear Time Temporal Logic
10:15
G. Chen (Paris): Subtyping Calculus Construction -- Type Conversion and Transitivity Elimination
10:40
Break
11:15
M. Mundhenk (Trier), J. Goldsmith (Lexington), E. Allender (New Brunswick): The Complexity of Policy Evaluation for Finite-horizon Partially-observable Markov Decision Processes
11:30
J. F. Sibeyn (Saarbrucken): Routing with Finite Speeds of Memory and Network
11:55
C. Gavoille (Bordeaux): On Dilation of Interval Routing
12:20
A. Goerdt (Chemnitz): The Giant Component Threshold for Random Regular Graphs with Edge Faults
12:45
Lunch

Session 4. Chair: H.-J. Kreowski (Bremen)

14:15
S. Abramsky (London): Game Semantics for Programming Languages (Invited Lecture)
15:05
R. Heckel (Berlin), H. Ehrig (Berlin), U. Wolter (Berlin), A. Corradini (Amsterdam): Integrating the Specification Techniques of Graph Transformation and Temporal Logic
15:30
M. M. Bonsangue (Leiden), J. N. Kok (Leiden): Specifying Computations Using Hyper Transition Systems
15:55
Break
16:20
G. Karner (Wien), W. Kuich (Wien): A Characterization of Abstract Families of Algebraic Power Series
16:45
Y. Kobayashi (Funabashi), F. Otto (Kassel): Repetitiveness of D0L-Languages is Decidable in Polynomial Time
17:10
C. Choffrut (Paris), G. Pighizzini (Milano): Distances between Languages and Reflexivity of Relations
17:35
R. Kolpakov (Moscow), G. Kucherov (Villers-les-Nancy): Minimal Letter Frequency in n-th Power-free Binary Words
18:00
End of Session

Wednesday, August 27

Session 5. Chair: J. Zlatuska (Brno)

9:00
K. R. Reischuk (Lubeck and Kyushu, joint work with M. Liskiewicz): Computational Limitations of Stochastic Turing Machines and Arthur-Merlin Games with Small Space Bounds (Invited Lecture)
9:50
N. Dershowitz (Urbana and Jerusalem): When are Two Rewrite Systems More than None? (Invited Lecture)
10:40
Break
11:05
D. Plump (Bremen): Simplification Orders for Term Graph Rewriting
11:30
W. Fokkink (Swansea), J. van de Pol (Eindhoven): Simulation as a Correct Compilation of Rewrite Systems
11:55
Lunch
13:00
Excursion

Thursday, August 28

Session 6. Chair: J. Wiedermann (Prague)

9:00
U. Schoning (Ulm): Resolution Proofs, Exponential Bounds, and Kolmogorov Complexity (Invited Lecture)
9:50
K. Iwama (Fukuoka): Complexity of Finding Short Resolution Proofs
10:15
K. Meer (Aachen): Counting Problems over the Reals
10:40
Break
11:05
Ch. Meinel (Trier), T. Theobald (Trier): On the Influence of the State Encoding on OBDD-Representations of Finite State Machines
11:30
P. Savicky (Prague), S. Zak (Prague): A Hierarchy for (1,+k)-branching Program with Respect to k
11:55
G. Manzini (Torino), L. Margara (Bologna): Invertible Linear Cellular Automata over Z_m: Algorithmic and Dynamical Aspects
12:20
I. Korec (Bratislava): Real-time Generation of Primes by a One-dimensional Cellular Automaton with 11 States
12:45
Lunch

Session 7. Chair: J. Karhumaki (Turku)

14:15
J. Hromkovic (Aachen, joint work with G. Schnitger): Communication Complexity and Sequential Computation (Invited Lecture)
15:05
M. Holzer (Tubingen): Multi-Head Finite Automata: Data-Independent versus Data-Dependent Computations
15:30
F. Drewes (Bremen): On the Generation of Trees by Hyperedge Replacement
15:55
Break
16:20
R. Meyer (Cachan), A. Petit (Cachan): Decomposition of TrPTL Formulas
16:45
I. Ryl (Lille), Y. Roos (Lille), M. Clerbout (Lille): Partial Characterization of Synchronization Languages
17:10
L. Bernardinello (Milano), L. Pomello (Milano): A Category of Transition Systems and its Relations with Orthomodular Posets
17:35
G. Cattaneo (Milano), E. Formenti (Lyon), L. Margara (Bologna), J. Mazoyer (Lyon): A Shift-invariant Metric on S^Z Inducing a Non-trivial Topology
18:00
End of Session
18:30
Conference Dinner

Friday, August 29

Session 8. Chair: W. Kuich (Wien)

9:00
D. Roth (Rehovot): Learning to Perform Knowledge-intensive Inferences (Invited Lecture)
9:50
H. Bodlaender (Utrecht): Treewidth: Engineering Algorithms (Invited Lecture)
10:40
Break
11:05
C. Martin-Vide (Tarragona), J. Miquel-Verges (Tarragona), G. Paun (Bucuresti): Two-level Contextual Grammars: The Internal Case
11:30
H. Fernau (Tubingen), R. Stiebe (Halle): Regulation by Valences
11:55
H. Petersen (Stuttgart): Homomorphic Images of Sentential Forms and Terminating Grammars
12:20
A. Nickelsen (Berlin): Deciding Verbose Languages with Linear Advice
12:45
Lunch
End of MFCS'97

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