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275 papers · 1 filter
Tropical Geometry and Piecewise-Linear Approximation of Curves and Surfaces on Weighted Lattices
Petros Maragos, Emmanouil Theodosis
Tropical Geometry and Mathematical Morphology share the same max-plus and min-plus semiring arithmetic and matrix algebra. In this chapter we summarize some of their main ideas and…
Dynamic Energy-Efficient Power Allocation in Multibeam Satellite Systems
Christos N. Efrem, Athanasios D. Panagopoulos
Power consumption is a major limitation in the downlink of multibeam satellite systems, since it has a significant impact on the mass and lifetime of the satellite. In this context…
Correspondence of cosmology from non-extensive thermodynamics with fluids of generalized equation of state
Shin'ichi Nojiri, Sergei D. Odintsov, Emmanuel N. Saridakis +1
We show that there is a correspondence between cosmology from non-extensive thermodynamics and cosmology with fluids of redefined and generalized equation of state. We first establ…
Parametric nonlinear resonant Robin problems
Nikolaos S. Papageorgiou, Vicenţiu D. Rădulescu, Dušan D. Repovš
We consider a nonlinear Robin problem driven by the -Laplacian. In the reaction we have the competing effects of two nonlinearities. One term is parametric, strictly -sub…
Globally Optimal Selection of Ground Stations in Satellite Systems with Site Diversity
Christos N. Efrem, Athanasios D. Panagopoulos
The availability of satellite communication systems is extremely limited by atmospheric impairments, such as rain (for radio frequencies) and cloud coverage (for optical frequencie…
Measurement of isolated-photon plus two-jet production in collisions at TeV with the ATLAS detector
ATLAS Collaboration
The dynamics of isolated-photon plus two-jet production in collisions at a centre-of-mass energy of 13 TeV are studied with the ATLAS detector at the LHC using a dataset corre…