Maurice Duverger is arguably the most distinguished French political scientist of the last century, but his major impact has, strangely enough, been largely in the English-speaking world. His book, Political Parties, first translated into English in 1954, has been very influential in both the party politics literature (which continues to make use of his typology of party organization) and in the electoral systems literature. His chief contributions there deal with what have come to be called in his honor Duverger's Law and Duverger's Hypothesis. The first argues that countries with plurality-based electoral methods will tend to become two-party systems; the second argues that countries using proportional representation (PR) methods will tend to become multi-party systems. Duverger also identifies specific mechanisms that will produce these effects, conventionally referred to as "mechanical effects", and "psychological effects". However, while Duverger's Hypothesis concerning the link between PR and multipartism is now widely accepted; the empirical evidence that plurality voting results in two-party systems is remarkably weak--with the U.S. the most notable exception. The chapters in this volume consider national-level evidence for the operation of Duverger's law in the world's largest, longest-lived and most successful democracies of Britain, Canada, India and the United States. One set of papers involves looking at the overall evidence for Duverger's Law in these countries; the other set deals with evidence for the mechanical and incentive effects predicted by Duverger. The result is an incisive analysis of electoral and party dynamics.

Transformation groups and representation theory (Lecture notes in mathematics ; 766)

Science & Math

Dieck, Tammo Tom

Mathematics

Springer, Verlag

Transformation groups (De Gruyter studies in mathematics)

W. de Gruyter

Meet Avi the Ambulance! Avi dreams of being a life-saving ambulance just like his Mom, Dad, and big sister Maya. So what's s a young, ambitious ambulance to do? Go to school of course! Avi learns all sort of important skills from the ambulance teacher at school: How to zig-and-zag, zoom-and-stop, and of course how to treat patients well and drive gently. This first book of the new Avi the Ambulance series will charm young readers, and give them a taste of Israel and the Jewish value of helping others.

Topologie (De Gruyter Lehrbuch) (German Edition)

Children's Books

Literature & Fiction

de Gruyter

This book is a jewel– it explains important, useful and deep topics in Algebraic Topology that you won`t find elsewhere, carefully and in detail."""" Prof. Günter M. Ziegler, TU Berlin

Transformation Groups (De Gruyter Studies in Mathematics, 8)

Walter de Gruyter

Aus den Besprechungen: "Although this volume appears as a set of "Lecture Notes", in fact it is a rather polished and complete text on homotopy theory, from the viewpoint of offering a very careful examination of the foundations. The authors introduce the notion of homotopy in general, and then launch into an elaborate study of cofibrations. The second major chapter concerns fibrations. The last chapter centers around homotopy sets and groups, induced homomorphisms and exact sequences, excision in the stable range and suspension. It is a well polished piece of exposition, suitable for a reader who knows point-set topology and basic category theory." Mathematical Reviews

Homotopietheorie (Lecture Notes in Mathematics, 157) (German Edition)

Reference

Foreign Language Study & Reference

Springer

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