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- Centre National de la Recherche ScientifiqueFR18 papers
- Astronomical Observatory of RomeIT9 papers
- Galaxies, Etoiles, Physique et InstrumentationFR9 papers
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- Arcetri Astrophysical ObservatoryIT8 papers
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- Osservatorio astronomico di BolognaIT8 papers
- National Institute for AstrophysicsIT7 papers
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- Center for Astrophysics Harvard & SmithsonianUS6 papers
4 papers · 1 filter
Rigidity results for spin manifolds with foliated boundary
Fida El Chami, Nicolas Ginoux, Georges Habib +1
In this paper, we consider a compact Riemannian manifold whose boundary is endowed with a Riemannian flow. Under a suitable curvature assumption depending on the O'Neill tensor of…
Configurations of Points and the Symplectic Berry-Robbins Problem
Joseph Malkoun
We present a new problem on configurations of points, which is a new version of a similar problem by Atiyah and Sutcliffe, except it is related to the Lie group $\operatorname{Sp}(…
On Effects of Imperfect Channel State Information on Null Space Based Cognitive MIMO Communication
Shabnam Sodagari
In cognitive radio networks, when secondary users transmit in the null space of their interference channel with primary user, they can avoid interference. However, performance of t…
Normal A0--A1 stars with low rotational velocities. I. Abundance determination and classification
F. Royer, M. Gebran, R. Monier +6
Context. The study of rotational velocity distributions for normal stars requires an accurate spectral characterization of the objects in order to avoid polluting the results with…