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Name
Eldorado - Ressourcen aus und für Lehre, Studium und Forschung
Type
Institutional Repository
Items
9642 Publications
Compatibility
OpenAIRE 3.0 (OA, funding)
OAI-PMH
http://eldorado.uni-dortmund.de:8080/dspace-oai/openaire
More information
Detailed data provider information (OpenDOAR)

 

  • Finding large cliques in sparse semi-random graphs by simple randomized search heuristics

    Surprisingly, general heuristics often solve hard combinatorial problems quite sufficiently, although they do not outperform specialized algorithms. Here, the behavior of simple randomized optimizers on the maximum clique problem is investigated. We focus on semi-random models for sparse graphs, in which an adversary is even allowed to insert a limited number of edges and not only to remove them. In the course of these investigations also the approximation behavior on general graphs and the o...

    Totalsynthese von Isoflavonoiden mittels platinkatalysierter Carboalkoxylierung

    A total synthesis of the pterocarpene derivative erypoegin H has been devised. This isoflavonoid has been recently isolated from Erythrina poeppigiana and possesses bactericidal activity against a range of methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant enterococci. The application of a PtCl2-catalyzed carboalkoxylation of alkynes as the key step afforded not only a quick access to erypoegin H in high yields, but also led to the synthesis of its cognates sojagol an...

    Climate change, population ageing and public spending: Evidence on individual preferences

    Economic theory, as well as empirical research, suggest that elderly people prefer public spending on policies yielding short-term benefits. This might be bad news for policies aimed at combating climate change: while the unavoidable costs of these policies arise today, the expected benefits occur in the distant future. Drawing on data from over 12,000 households and using the ordered logit and the generalized ordered logit model, we analyze whether attitudes towards climate ch...
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