400 citations
- A. Alikhanyan National LaboratoryAM71 papers
- Sapienza University of RomeIT31 papers
- Universidade Federal da ParaíbaBR26 papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT18 papers
- Yerevan State Linguistic UniversityAM18 papers
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- Joint Institute for Nuclear ResearchRU14 papers
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8 papers · 1 filter
Curved Witten-Dijkgraaf-Verlinde-Verlinde equation and mechanics
Nikolay Kozyrev, Sergey Krivonos, Olaf Lechtenfeld +2
We propose a generalization of the Witten-Dijkgraaf-Verlinde-Verlinde (WDVV) equation from to an arbitrary Riemannian manifold. Its form is obtained by extending th…
Satellites testing general relativity: residuals versus perturbations
V. G. Gurzadyan, I. Ciufolini, A. Paolozzi +4
Laser ranging satellites have proved their efficiency for high precision testing of the effect of frame-dragging, one of remarkable predictions of the General Relativity. The analy…
Comparing 3C 120 jet emission at small and large scales
D. Zargaryan, S. Gasparyan, V. Baghmanyan +1
Context. Important information on the evolution of the jet can be obtained by comparing the physical state of the plasma at its propagation through the broad-line region (where the…
Rapid Gamma-ray variability of NGC 1275
V. Baghmanyan, S. Gasparyan, N. Sahakyan
We report on a detailed analysis of the -ray light curve of NGC 1275 using the Fermi large area telescope data accumulated in 2008-2017. Major -ray flares were observed in Oc…
A new kind of uniqueness theorems for inverse Sturm-Liouville problems
Yuri Ashrafyan
We prove Marchenko-type uniqueness theorems for inverse Sturm-Liouville problems. Moreover, we prove a generalization of Ambarzumyans theorem.
Interbasis expansions in the Zernike system
Natig M. Atakishiyev, George S. Pogosyan, Kurt Bernardo Wolf +1
The differential equation with free boundary conditions on the unit disk that was proposed by Frits Zernike in 1934 to find Jacobi polynomial solutions (indicated as I), serves to…