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- Alain Cochard, Wiwit Suryanto, +4 authors denis. vollmer

The rotational part of earthquake-induced ground motion has basically been ignored in the past decades, compared to the substantial research in observing, processing and inverting translationalâ€¦ (More)

- Urs Schreiber
- 2009

Parallel transport of a connection in a smooth fibre bundle yields a functor from the path groupoid of the base manifold into a category that describes the fibres of the bundle. We characterizeâ€¦ (More)

- Urs Schreiber
- 2005

Lifting supersymmetric quantum mechanics to loop space yields the superstring. A particle charged under a fiber bundle thereby turns into a string charged under a 2-bundle, or gerbe. Thisâ€¦ (More)

- Hisham Sati, Urs Schreiber, Jim Stasheff
- 2008

We give a generalization of the notion of a Cartan-Ehresmann connection from Lie algebras to Lâˆžalgebras and use it to study the obstruction theory of lifts through higher String-like extensions ofâ€¦ (More)

- Urs Schreiber
- 2013

We formulate differential cohomology and Chern-Weil theory the theory of connections on fiber bundles and of gauge fields abstractly in the context of a certain class of higher toposes that we callâ€¦ (More)

- Hisham Sati, Urs Schreiber, Jim Stasheff
- 2008

We give a generalization of the notion of a Cartan-Ehresmann connection from Lie algebras to Lâˆžalgebras and use it to study the obstruction theory of lifts through higher String-like extensions ofâ€¦ (More)

- Hisham Sati, Urs Schreiber, Jim Stasheff
- 2009

Abelian differential generalized cohomology as developed by Hopkins and Singer has been shown by Freed to formalize the global description of anomaly cancellation problems in String theory, such asâ€¦ (More)

- Urs Schreiber
- 2004

We show that and how the Pohlmeyer invariants of the bosonic string are expressible in terms of DDF invariants. Quantization of the DDF observables in the usual way hence yields a consistentâ€¦ (More)

It is well known that the proper action functional of (4k+ 3)-dimensional U(1)-Chern-Simons theory including the instanton sectors is given on gauge equivalence classes of fields by the fiberâ€¦ (More)

- Hisham Sati, Urs Schreiber
- 2017

The worldvolume theory of coincident M5-branes is expected to contain a nonabelian 2-form/nonabelian gerbe gauge theory that is a higher analog of self-dual Yang-Mills theory. But the precise detailsâ€¦ (More)