This book constitutes the refereed proceedings of the 6th International Conference on Mathematics of Program Construction, MPC 2002, held in Dagstuhl Castle, Germany, in July 2002. The 11 revised full papers presented were carefully reviewed and selected for inclusion in the book; also presented are one invited paper and the abstracts of two invited talks. Among the topics covered are programming methodology, program specification, program transformation, programming paradigms, programming calculi, and programming language semantics.

This book originates from the Third Summer School on Advanced Functional Programming, held in Barga, Portugal, in September 1998. The lectures presented are targeted at individual students and programming professionals as well as at small study groups and lecturers who wish to become acquainted with recent work in the rapidly developing area of functional programming. The book presents the following seven, carefully cross-reviewed chapters, written by leading authorities in the field: Sorting Morphisms; Generic Programming: An Introduction; Generic Program Transformation; Designing and Implementing Combinator Languages; Using MetaML: A Staged Programming Language; Cayenne: A Language with Dependent Types; Haskell as an Automation Controller.

This book constitutes the refereed proceedings of the Third International Static Analysis Symposium, SAS '96, held in Aachen, Germany, in September 1996 in conjunction with ALP and PLILP. The volume presents 22 highly-quality revised full papers selected from a total of 79 submissions; also included are three system descriptions and invited contributions by Alex Aiken (abstract only), Flemming Nielson, and Bernhard Steffen. Among the topics addressed are program analysis, incremental analysis, abstract interpretation, partial evaluation, logic programming, functional programming, and constraint programming.

This volume contains the papers presented at the Eighth International C- ference on Logic for Programming, Arti?cial Intelligence and Reasoning (LPAR 2001), held on December 3-7, 2001, at the University of Havana (Cuba), together with the Second International Workshop on Implementation of Logics. There were 112 submissions, of which 19 belonged to the special subm- sion category of experimental papers, intended to describe implementations or comparisons of systems, or experiments with systems. Each submission was - viewed by at least three program committee members and an electronic program committee meeting was held via the Internet. The high number of submissions caused a large amount of work, and we are very grateful to the other 31 PC members for their e?ciency and for the quality of their reviews and discussions. Finally, the committee decided to accept 40papers in the theoretical ca- gory, and 9 experimental papers. In addition to the refereed papers, this volume contains an extended abstract of the invited talk by Frank Wolter. Two other invited lectures were given by Matthias Baaz and Manuel Hermenegildo. Apart from the program committee, we would also like to thank the other people who made LPAR 2001 possible: the additional referees; the Local Arran- ` gements Chair Luciano Garc ́?a; Andr ́es Navarro and Oscar Guell, ̈ who ran the internet-based submission software and the program committee discussion so- ware at the LSI Department lab in Barcelona; and Bill McCune, whose program committee management software was used.

Declarative languages have traditionally been regarded by the mainstream c- puting community as too impractical to be put to practical use. At the same time, traditionalconferencesdevotedto declarativelanguagesdo not haveissues related to practice as their central focus. Thus, there are few forums devoted to discussion of practical aspects and implications of newly discovered results and techniques related to declarative languages. The goal of the First International Workshop on Practical Aspects of Declarative Languages (PADL) is to bring together researchers,practitioners and implementors of declarative languages to discuss practical issues and practical implications of their research results. The workshop was held in San Antonio, Texas, during January 18-19, 1999. This volume contains its proceedings. Fifty three papers were submitted in response to the call for papers. These papers were written by authors belonging to twenty one countries from six c- tinents. Each paper was assigned to at least two referees for reviewing. Twenty four papers were nally selected for presentation at the workshop. Many good papers could not be included due to the limited duration of the workshop. The workshop included invited talks by Mark Hayden of DEC/Compaq Systems - search Center, speaking on \Experiences Building Distributed Systems in ML," and Mark Wallace of Imperial College Center for Planning And Resource C- trol (IC-PARC), speaking on \ECLiPSe: Declarative Specic ation and Scalable Implementation.

Generic programming attempts to make programming more efficient by making it more general. This book is devoted to a novel form of genericity in programs, based on parameterizing programs by the structure of the data they manipulate. The book presents the following four revised and extended chapters first given as lectures at the Generic Programming Summer School held at the University of Oxford, UK in August 2002: - Generic Haskell: Practice and Theory - Generic Haskell: Applications - Generic Properties of Datatypes - Basic Category Theory for Models of Syntax