145 citations
- Universitat de BarcelonaES2 papers
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- Aarhus UniversityDK1 paper
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- Hankou UniversityCN1 paper
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- Laboratoire de Physique Théorique et Hautes EnergiesFR1 paper
- Luleå University of TechnologySE1 paper
- Mittag-Leffler InstituteSE1 paper
- Nanjing UniversityCN1 paper
- O.Ya. Usikov Institute for Radiophysics and ElectronicsUA1 paper
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5 papers · 1 filter
Estimation under uncertainties of acoustic and electromagnetic fields from noisy observations
Yury Podlipenko, Yury Shestopalov, Vladimir Prishlyak
The creation and justification of the methods for minimax estimation of parameters of the external boundary value problems for the Helmholtz equation in unbounded domains are consi…
Solvability of the boundary value problem associated with the wave diffraction by a layer filled with a Kerr-type nonlinear medium
Yury Shestopalov, Vasil Yatsyk
The diffraction of a plane wave by a transversely inhomogeneous isotropic nonmagnetic linearly polarized dielectric layer filled with a Kerr-type nonlinear medium is considered. Th…
A no-ghost theorem for the bosonic Nappi-Witten string
Gang Chen, Yeuk-Kwan E. Cheung, Zheyong Fan +2
We prove a no-ghost theorem for a bosonic string propagating in Nappi-Witten spacetime. This is achieved in two steps. We first demonstrate unitarity for a class of NW/U(1) modules…
On Frobenius algebras in rigid monoidal categories
Jurgen Fuchs, Carl Stigner
We show that the equivalence between several possible characterizations of Frobenius algebras, and of symmetric Frobenius algebras, carries over from the category of vector spaces…
A new proof of the Bianchi type IX attractor theorem
J. Mark Heinzle, Claes Uggla
We consider the dynamics towards the initial singularity of Bianchi type IX vacuum and orthogonal perfect fluid models with a linear equation of state. The `Bianchi type IX attract…