In Memory of Professor Zdzislaw Pawlak

Arrow logic with arbitrary intersections : applications to Pawlak's information systems p. 1 Rough set approach to behavioral pattern identification p. 27 Multiset-based self-assembly of graphs p. 49 Entropies and co-entropies of coverings with application to incomplete information systems p. 77 Rough sets and learning by unification p. 107 Rough dialogue and implication lattices p. 123 On string languages generated by spiking neural P systems p. 141 Relative nondeterministic information logic is EXPTIME-complete p. 163 A correspondence framework between three-valued logics and similarity-based approximate reasoning p. 179 A possibility-theoretic view of formal concept analysis p. 195 A multi-modal logic for disagreement and exhaustiveness p. 215 Complexity issues in multiagent logics p. 239 Reaction systems p. 263 Cooperative world modeling in dynamic multi-robot environments p. 281 Towards a pragmatic mereology p. 295 Pawlak's information systems in terms of Galois connections and functional dependencies p. 315 Z. Pawlak, a precursor of DNA computing and of picture grammars p. 331 Locally derivable graphs p. 335 On construction of partial reducts and irreducible partial decision rules p. 357 Retracts of algebras p. 375 Bridging the gap between non-symbolic and symbolic processing-how could human being acquire language? p. 385 Near sets : special theory about nearness of objects p. 407 Concept approximation in mathematics and computer science. An essay in homage to Zdzislaw Pawlak p. 435 Approaches to conflict dynamics based on rough sets p. 453 Subword balance in binary words, languages and sequences p. 469 Histogram thresholding using beam theory and ambiguity measures p. 483 On generating all binary trees p. 505