RelMiCS'4 THE 4th INTERNATIONAL SEMINAR ON RELATIONAL METHODS IN LOGIC, ALGEBRA AND COMPUTER SCIENCE 14-20 September, 1998 organised by Stefan Banach International Mathematical Center, Warsaw Institute of Informatics, University of Warsaw Institute of Telecommunications, Warsaw ------------------------------------------------------------------------------ Keynote speakers ~~~~~~~~~~~~~~~~ Johan van Benthem, Modality, relational guards, and decidability Ivo Duentsch, Relation algebras in spatial reasoning (joint with Hui Wang and Steve McCloskey) Joachim Lambek, Relations old and new Speakers ~~~~~~~~ Rahma Ben Ayed, Hafedh Mili and Ali Mili, Capturing pointer semantics and scoping rules Roland Backhouse, Pair algebras and Galois connections Philippe Balbiani and Dimiter Vakarelov, Extending arrow logic Khaled Basaies, Fathi Hammami, Ali Jaoua, Wassim Ksontini, May reasoning be reduced to information retrieval problem? Rudolf Berghammer, Using REL VIEW to solve problems on relation - based discrete structures Michael Boettner, Number in Peirce grammar Chris Brink and Ingrid Rewitzky, Finite-cofinite predicate transformers Chris Brink and Katarina Britz, Relating formula sets Wojciech Buszkowski, More on embeddings of residuated semigroups into algebras of relations Marcos Castilho, Luis Farinas del Cerro, Olivier Gasquet and Andreas Herzig, Modal tableaux based on graph-rules Stephane Demri, Coping with semilattices of relations in logics with relative accessibility relations Stephane Demri and Ewa Orlowska, Classes of modal frames definable by closure relational operations Jules Desharnais, Ridha Khedri and Ali Mili, Towards a uniform relational semantics for tabular expressions Barbara Dobrowolska, Relational proof system for natural language Barry Dwyer, Translating relational programs into Prolog Marcelo Frias, Gabriel Baum and Armando Haeberer, A calculus for program construction based on fork algebras, generic algorithms and design strategies Lew Gordeev, Proof systems in relation algebra Claudio Gutierrez, Decidability of the equational theory of allegories Jifeng He, Unifying theories of programming Robin Hirsch and Ian Hodkinson, Connections between cylindric algebras and relation algebras Ian Hodkinson and Szabolcs Mikulas, Colorful reducts Luisa Iturrioz, Relational representation theorems for some algebraic structures Peter Jipsen, Sequential Q-algebras Wolfram Kahl, Demonic diagrams - towards a graphical refinement calculus Yasuo Kawahara, Lattices in Dedekind categories Miroslawa Kolowska-Gawiejnowicz, Relational semantics for Lambek calculus Beata Konikowska, Charles Morgan and Ewa Orlowska, Relational semantics for arbitrary finite valued logics Wendy MacCaull, A relational approach to association rules and functional dependencies Bernhard Moeller, Modal and temporal operators on partial orders Ingrid Rewitzky, Duality and simulations Marc Roubens, About fuzzy preference structures Antonino Salibra, The variety of lambda abstraction algebras does not admit n-permutable congruences for all n R. Seljee and Harrie de Swart, Three types of redundancy in integrity checking; An optimal solution Renate Schmidt, Decidability by unrefined resolution for propositional modal logics Gheorghe Stefanescu, On space - time duality in computing: Imperative programming versus wave computation Marek Szczerba, Representation theorems for residuated groupoids Michael Winter and Peter Kempf, Processes and relations Artur Wolinski, Cylindric algebras for partial relational systems (Quasicylindric algebras) The conference will be held in the Banach Center, Mokotowska 25, Warsaw. ----------------------------------------------------------------------- The Announcement prepared by: Ewa Orlowska Institute of Telecommunications ul. Szachowa 1 04-894 Warsaw, Poland =======================================================================