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This volume considers the computational complexity of determining whether a system of equations over a fixed algebra A has a solution. It examines in detail the two problems this leads to: SysTermSat(A) and SysPolSat(A), in which equations are built out of terms or polynomials, respectively. The book characterizes those algebras for which SysPolSat can be solved in a polynomial time. So far, studies and their outcomes have not covered algebras that generate a variety admitting type 1 in the sense of Tame Congruence Theory. Since unary algebras admit only type 1, this book focuses on these...

This short book describes the basic technological aspects involved in the creation of purely clinch and clinch-adhesive joints made of different types of adherent materials and employing different joining technologies. Basic parameters that need to be taken into account in the design process are also presented, while a comparison of experimental testing of the hybrid joint with simple clinching for a combination of different joining materials underlines the advantages of opting for hybrid joints. The book's conclusions will facilitate the practical application of this new fastening...

To mark the 800th anniversary of the ratification of the Magna Carta by King John at Runnymede, Magna Carta provides the central European perspectives on this monumental document and its impact on the political and legal experiences of freedom, from the medieval period to the present day. The volume gives rise to a discussion about the legacy of the Magna Carta as one of the fundamental elements of European identity.

Supported by previously untranslated sources at the end of each chapter, the team of contributors consider the lasting legacy of Magna Carta in Hungary, the Czech Republic,...