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- B. Jurčo, Lennart Möller, Stephan Schraml, Patrick G. Schupp, Jessica M Wess
- 2001

We present a formalism to explicitly construct non-Abelian gauge theories on noncommutative spaces (induced via a star product with a constant Poisson tensor) from a consistency relation. This… (More)

- B. Jurčo, Stephan Schraml, Patrick G. Schupp, Jessica M Wess
- 2000

An enveloping algebra valued gauge field is constructed, its components are functions of the Lie algebra valued gauge field and can be constructed with the Seiberg-Witten map. This allows the… (More)

We introduce a formulation of gauge theory on noncommutative spaces based on the concept of covariant coordinates. Some important examples are discussed in detail. A Seiberg-Witten map is established… (More)

- Eike Brunner, Hermann Ehrlich, +11 authors R. T. Born
- Journal of structural biology
- 2009

The skeletons of demosponges, such as Ianthella basta, are known to be a composite material containing organic constituents. Here, we show that a filigree chitin-based scaffold is an integral… (More)

- Xavier Calmet, B. Jurčo, Patrick G. Schupp, Jessica M Wess, Markus Wohlgenannt
- 2008

We consider the Standard Model on a non-commutative space and expand the action in the non-commutativity parameter θ . No new particles are introduced, the structure group is SU(3)×SU(2)×U(1). We… (More)

- Hermann Ehrlich, Michael Ilan, +26 authors Eric J Brunner
- International journal of biological…
- 2010

Marine invertebrate organisms including sponges (Porifera) not only provide an abundant source of biologically active secondary metabolites but also inspire investigations to develop biomimetic… (More)

- Matthew C. Canver, Elenoe C Smith, +16 authors Daniel E Bauer
- Nature
- 2015

Enhancers, critical determinants of cellular identity, are commonly recognized by correlative chromatin marks and gain-of-function potential, although only loss-of-function studies can demonstrate… (More)

- Pierluigi Aschieri, B. Jurčo, Patrick G. Schupp, Jessica M Wess
- 2002

Noncommutative Yang-Mills theories are sensitive to the choice of the representation that enters in the gauge kinetic term. We constrain this ambiguity by considering grand unified theories. We find… (More)

- Pascal Proksch, R Ebel, +5 authors Klaus G. Steube
- 2003

This review article presents our group’s recent research findings with regard to bioactive natural products from marine sponges and tunicates, as well as from spongederived fungi. The organisms… (More)

- Hermann Ehrlich, Eric Steck, +26 authors Walter Richter
- International journal of biological…
- 2010

In order to evaluate the biomedical potential of three-dimensional chitinous scaffolds of poriferan origin, chondrocyte culturing experiments were performed. It was shown for the first time that… (More)