Avoiding and Enforcing Repetitive Structures in Words W. Vogel & M. Büttner GmbH Those challenges as well as

Those challenges as well as the trends and developments influence the adoption of the technology

1 Zusammenhang zwischen der wertorientierten Unternehmenssteuerung und der externen Rechnungslegung

facilitating the study of RNA virus genes

Von besonderer Bedeutung ist auch

Avoiding and Enforcing Repetitive Structures in Words W. Vogel & M. Büttner GmbH Those challenges as well asAvoiding and enforcing repetitions in words are central topics in the area of combinatorics on words, with first results going back to the beginning of the 20th century. The results presented in this thesis extend and enrich the existing theory concerning the presence and absence of repetitive structures in words. In the first part the question whether such structures necessarily appear in infinite words over a finite alphabet is investigated. In