Sunday, 10.05.98

18.00

Welcome

20.00

Dinner

 

Monday, 11.05.98

 

Session 1

09.20 – 09.30

Introduction

09.30 – 10.10

The Social Life of Horn and other Clauses

E. Boros, O. Cepek, and, A. Kogan

10.10 – 10.50

Decompositions for Propositional Logic

K. Truemper

10.50 – 11.10

Coffee Break

 

Session 2

11.10 – 11.50

Resolution Proofs of Matching Principles

A. Urquhart

11.50 – 12.30

Efficient Reasoning is Usually Better than Efficient Searching for Propositional

Problems Generated by Applications

A. Van Gelder

12.30 – 14.30

Lunch

 

Session 3

14.30 – 15.10

Efficient 2 and 3-Flip Neighborhood Search Algorithms for the MAX SAT

M. Yagiura and T. Ibaraki

15.10 – 15.50

Heuristics for SAT Algorithms: A Systematic Study (Extended Abstract)

O. Kullmann

15.50 – 16.10

Coffee Break

 

Session 4

16.10 – 16..50

A Simplified Random 2-SAT Threshold Proof

A. Goerdt

16.50 - 17.30

Tractable Subcases of Satisfiablitity and Threshold Phenomena

N. Creignou

19.00

Dinner

 

 

Tuesday, 12.05.98

 

Session 5

09.00 – 09.40

Solving Satisfiability Problems Using Elliptic Approximations

Part I: Effective Branching Rules

H. Van Maaren and J. P. Warners

09.40 – 10.20

Solving Satisfiability Problems Using Elliptic Approximations

Part II: Solving Parity Formulas

H. Van Maaren and J. P. Warners

10.20 – 10.50

Coffee Break

 

Session 6

10.50 – 11.30

Computing Intersections of Horn Theories for Reasoning with Models

T. Eiter, T. Ibaraki and K. Makino

11.30 – 12.10

Recognition of Simple Extended Horn Formulas

E. Benoist and J.-J. Hιbrard

12.30 – 14.30

Lunch

 

Session 7

14.30 – 15.10

On Finding the Maximal Autark Set

D. Liang and W. Li

15.10 – 15.50

Polynomially Solvable Cases of Probabilistic SAT

K.A. Andersen and D. Pretolani

15.50 – 16.10

Coffee Break

 

Session 8

16.10 – 16..50

P.W. Purdom

16.50 - 17.30

J. Schlipf

17.30 – 19.00

Open Problem Session

19.00

Dinner

 

 

Wednesday, 13.05.98

 

Session 9

09.00 – 09.40

Dividing Formulas and Polynomial Classes for Satisfiability

G. Davydov and I. Davydova

09.40 – 10.20

NP Search Algorithms and Propositional Proofs

D. Mitchell

10.20 – 10.50

Coffee Break

 

Session 10

10.50 – 11.30

Two Applications of a Splitting Theorem for Minimal Unsatisfiable Formulas

H. Kleine Bόning

11.30 – 12.10

Some Results on Subclasses of Minimal Unsatisfiable Formulas

X. Zhao and D. Ding

12.30 – 14.00

Lunch

 

Session 11

14.00 – 14.40

A Modification of a SAT-Algorithm for Implication Formulas

P. Heusch and E. Speckenmeyer

14.40 – 15.20

Semidefinite Programming Approaches for MAX-2-SAT and

MAX-3-SAT: Computational Perspectives

De Klerk and J. P. Warners

15.30

Social Event (Guided Tour to Paderborn/Visit to Computer Museum)

20.00

Dinner at the "Ratskeller"

 

Thursday, 14.05.98

 

Session 12

09.00 – 09.40

Finding Optimal Boolean Classifiers

J. Franco

09.40 – 10.20

New Classes of Tractable Satisfiability Problems

W. Li and X. Huang

10.20 – 10.50

Coffee Break

 

Session 13

10.50 – 11.30

Operations Research through Number Representations of Unsatisfiablility

G. Davydov and I. Davydova

11.30 – 12.10

Improving Pure Literal Look Ahead for Solving 3-Satisfiability

I. Schiermeyer

12.10 – 12.20

Final Remarks

12.30 – 14.30

Lunch