Workshop on Satisfiability

Certosa di Pontignano
Universita Degli Studi Di Siena
Siena, Italy
April 28 - May 3, 1996


Program


Monday, 29.04.96

09.45 - 10.00 Opening Address
10.00 - 10.45 Thomas Eiter, Toshihide Ibaraki, Kazuhisa Makino
On Satisfiability of Partially Defined Double and Bidual Horn Functions
10.45 - 11.15 Coffee Break
11.15 - 12.00 Paul Purdom
Probe Order Backtracking
12.00 - 12.45 Hans Kleine Buening, Theodor Lettmenn
Resolution Remains Hard Under Equivalence
12.45 - 14.30 Lunch
14.30 - 15.15 Alasdair Urquhart
The Symmetry Rule in Propositional Logic
20.00 Dinner


Tuesday, 30.04.96

9.15 - 10.00 Peter Heusch, Marc-Andre Lemburg, Ewald Speckenmeyer
Complexity Results of Subclasses of the Pure Implicational Calculus
10.00 - 10.45 John Franco, Judy Goldsmith, John Schlipf, Ewald Speckenmeyer, R. Swaminathan
An Algorithm for the class of Pure Implicational Formulas
10.45 - 11.15 Coffee Break
11.15 - 12.00 Jinchang Wang
Testing Propositional Satisfiability by Using Binary Trees
12.00 - 12.45 Ingo Schiermeyer
Pure Literal Look Ahead: An O(1.479^n) 3-Satisfiability Algorithm
12.45 - 14.30 Lunch
14.30 - 15.15 Allen Van Gelder, Fumiaki Kamiya
Lemma and Cut Strategies for Two-Sided Propositional Resolution
15.15 - 16.00 Oliver Kullmann
Blocked Clauses; Their Use for SAT Decision, And An Analysis of Their Strength
20.00 Dinner


Wednesday, 01.05.96

09.15 - 10.00 Hans Kleine Buening, Theodor Lettmann
Closure Under Replacements Versus Run Time of the Davis-Putnam Algorithms and Distribution of Satisfiable Formulas
10.00 - 10.45 Hans Van Maaren
Discriminative Properties of the Smooth Convex Quadratic Approximation of a 3-SAT Problem
10.45 - 11.15 Coffee Break
11.15 - 12.00 Jun Gu
Multi-SAT Algorithm
12.00 - 12.45 Marco Protassi
MAX-SAT and the Class APX


Thursday, 02.05.96

09.15 - 10.00 Paolo Nobili, Antonio Sassano
Strengthening Lagrangian Bounds for the MAX-SAT Problem
10.00 - 10.45 Giorgio Gallo, C. Gentile, D. Pretolani
MAX Horn SAT and Directed Hypergraphs: Algorithmic Enhancements and Easy Cases
10.45 - 11.15 Coffee Break
11.15 - 12.00 Roberto Battiti, Marco Protassi
Reactive Search: A History-Based Heuristic for MAX-SAT
12.00 - 12.45 Endre Boros
On Maximum Renamable Horn Sub-CNFs
12.45 - 14.30 Lunch
14.30 - 15.15 Andreas Goerdt
Probability of Satisfiability of Random 2-SAT Instances with Quantification
15.15 - 16.00 David Mitchell
Toward an Adequate SAT Algorithm


Friday, 03.05.96

10.00 - 11.00 Open Problems I
11.00 - 11.30 Coffee Break
11.30 - 12.30 Open Problems II