Erratum zu: Jan Navrátil (1909–1992)

Erratum

∗ Jan

We formulate a complete path integral bosonization procedure for any fermionic theory in two dimensions. The classical action of the bosons in the bosonized theory is −i times the logarithm of the Jacobian of a local chiral transformation, with the boson fields as transformation parameters. Three examples, the Schwinger model, the massive Thirring model and massive non-Abelian bosonization, are...

Jan 2011

Online content have become an important medium to disseminate information and express opinions. With the proliferation of online document collections, users are faced with the problem of missing the big picture in a sea of irrelevant and/or diverse content. In this thesis, we addresses the problem of information organization of online document collections, and provide algorithms that create a s...

Cersten Jakob: Von Prüfungsangst zu Prüfungsmut, von Lampenfieber zu Auftrittslust

1. The author of this book wants to reveal ways leading to more confidence and calmness in exams and while performing in front of small or larger audiences. A short introduction is followed by a definition of the term stage fright and a distinction between useful and obstructive types (stage fright). The complexity of the phenomena stage fright and exam anxiety is vividly visualised on the basi...

Wege zu VoIP - Konvergenztechnologie

VoIP ist zwar als Fachthema wegen der einhergehenden technischen Besonderheiten und in dem Bereich der Kommunikationsinfrastruktur bei Unternehmen in aller Munde, jedoch findet die VoIP-Technologie noch keinen flächendeckenden Einzug als Arbeitsmittel an deutschen Hochschulen und Forschungseinrichtungen. Neben der Tatsache, dass die meisten Hochschulen als Landesbetrieb an das Haushaltsrecht de...