288 citations
- Embry–Riddle Aeronautical UniversityUS26 papers
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- Universidad de GuanajuatoMX11 papers
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- National Taiwan UniversityTW6 papers
- Centre National de la Recherche ScientifiqueFR5 papers
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5 papers · 1 filter
Nonsingular parametric oscillators Darboux-related to the classical harmonic oscillator
H. C. Rosu, O. Cornejo-Perez, P. Chen
Interesting nonsingular parametric oscillators which are Darboux related to the classical harmonic oscillator and have periodic dissipative/gain features are identified through a m…
Integrable dissipative nonlinear second order differential equations via factorizations and Abel equations
Stefan C. Mancas, Haret C. Rosu
We emphasize two connections, one well known and another less known, between the dissipative nonlinear second order differential equations and the Abel equations which in its first…
Statistical similarity between the compression of a porous material and earthquakes
Jordi Baro, Alvaro Corral, Xavier Illa +5
It has been long stated that there are profound analogies between fracture experiments and earthquakes; however, few works attempt a complete characterization of the parallelisms b…
An alternative factorization of the quantum harmonic oscillator and two-parameter family of self-adjoint operators
R. Arcos-Olalla, M. A. Reyes, H. C. Rosu
We introduce an alternative factorization of the Hamiltonian of the quantum harmonic oscillator which leads to a two-parameter self-adjoint operator from which the standard harmoni…
Magneto-caloric effect in the pseudo-binary intermetallic YPrFe17 compound
Pablo Álvarez, Pedro Gorria, José L. Sánchez Llamazares +6
We have synthesized the intermetallic YPrFe17 compound by arc-melting. X-ray and neutron powder diffraction show that the crystal structure is rhombohedral with View the MathML sou…