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- Hochschule BremenDE3 papers
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- International UniversityKH2 papers
- Boston UniversityUS1 paper
- Max Planck Institute for PhysicsDE1 paper
- Tecnologie Avanzate (Italy)IT1 paper
- Università degli Studi del Piemonte Orientale “Amedeo Avogadro”IT1 paper
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6 papers · 1 filter
Reconstruction of universal Drinfeld twists from representations
Christian Blohmann
Universal Drinfeld twists are inner automorphisms which relate the coproduct of a quantum enveloping algebra to the coproduct of the undeformed enveloping algebra. Even though they…
Universal localization of triangular matrix rings
Desmond Sheiham
If R is a triangular 2x2 matrix ring, the columns, P and Q, are projective left R-modules. We describe the universal localization of R which makes invertible an R-module morphism P…
Hyperbolic Components in Exponential Parameter Space
Dierk Schleicher
We discuss the space of complex exponential maps $\Ek\colon z\mapsto e^{z}+κ$. We prove that every hyperbolic component has connected boundary, and there is a conformal isomorp…
Edge vulnerability in neural and metabolic networks
Marcus Kaiser, Claus C. Hilgetag
Biological networks, such as cellular metabolic pathways or networks of corticocortical connections in the brain, are intricately organized, yet remarkably robust toward structural…
Perturbative Symmetries on Noncommutative Spaces
Christian Blohmann
Perturbative deformations of symmetry structures on noncommutative spaces are studied in view of noncommutative quantum field theories. The rigidity of enveloping algebras of semi-…
Gamma-ray Bursts and their Central Engines
Stephan Rosswog
Gamma-ray bursts are the most luminous and probably the most relativistic events in the universe. The last few years have seen a tremendous increase in our knowledge of these event…