1.

Record Nr.

UNINA9910459341903321

Autore

Hoogeveen Joost

Titolo

Fundamentals of the pure spinor formalism [[electronic resource] /] / Joost Hoogeveen

Pubbl/distr/stampa

Amsterdam, : Amsterdam University Press, 2010

ISBN

90-485-1312-X

Descrizione fisica

1 online resource (180 p.)

Collana

UvA-proefschriften

Disciplina

531/.14

Soggetti

Spinor analysis

Electronic books.

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references.

Nota di contenuto

Contents; Preface; 1. String theory; 2. Pure spinor formalism; 3. Basic techniques; 4. BRST quantisation of the pure spinor superstring; 5. Decoupling of unphysical states; 6. Discussion and conclusion; Appendix A; Bibliography; Samenvatting; Acknowledgments

Sommario/riassunto

This thesis presents recent developments within the pure spinor formalism, which has simplified amplitude computations in perturbative string theory, especially when spacetime fermions are involved. Firstly the worldsheet action of both the minimal and the non-minimal pure spinor formalism is derived from first principles, i.e. from an action with two dimensional diffeomorphism and Weyl invariance. Secondly the decoupling of unphysical states in the minimal pure spinor formalism is proved.



2.

Record Nr.

UNINA9910791927303321

Autore

Robson Peter <1926-, >

Titolo

Economic integration in Africa / / Peter Robson

Pubbl/distr/stampa

London ; ; New York : , : Routledge, , 2011

ISBN

1-136-87710-X

1-283-54663-9

1-136-87711-8

9786613859082

0-203-83836-X

Descrizione fisica

1 online resource (323 p.)

Collana

Routledge library editions. Development ; ; vol. 54

Disciplina

338.916

338.96

Soggetti

International economic integration

Africa Economic integration

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

First published in 1968 by George Allen and Unwin Limited.

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

COVER; ECONOMIC INTEGRATION IN AFRICA; COPYRIGHT; PREFACE; CONTENTS; CHAPTER 1 INTRODUCTION; CHAPTER 2 THE ECONOMICS OF INTEGRATION AMONG LESS DEVELOPED COUNTRIES; CHAPTER 3 THE ECONOMIC SETTING IN AFRICA AND THE PROBLEMS OF INTEGRATION; CHAPTER 4 ECONOMIC INTEGRATION IN EAST AFRICA; CHAPTER 5 ECONOMIC INTEGRATION IN EQUATORIAL AFRICA; CHAPTER 6 OTHER INITIATIVES FOR ECONOMIC INTEGRATION IN AFRICA; CHAPTER 7 CONCLUSION; SELECTIVE READING LIST; INDEX

Sommario/riassunto

First published in 1968, this reissue is a study of contemporary international economic policy, with particular emphasis upon economic integration as a means of bringing about a faster rate of economic progress and of helping to overcome poverty. Peter Robson's book is a study of the rationale of common markets and other forms of economic integration among African states and of their operation in practice.The book will be of great value to those concerned with administering or assessing integration schemes in Africa and indeed in less developed areas throughout the world. In addition