Arturo Ramos (
Arturo Ramos (
Dept. of Economic Analysis. University of Zaragoza (Spain) (
Verified email at - Homepage
Cited by
Cited by
Riccati equation, factorization method and shape invariance
JF Carinena, A Ramos
Reviews in Mathematical Physics 12 (10), 1279-1304, 2000
Group theoretical approach to the intertwined Hamiltonians
JF Carinena, A Ramos
Annals of Physics 292 (1), 42-66, 2001
Integrability of the Riccati equation from a group-theoretical viewpoint
JF Carinena, A Ramos
International Journal of Modern Physics A 14 (12), 1935-1951, 1999
Second order SUSY transformations with ‘complex energies’
R Muñoz, A Ramos
Physics Letters A 308 (1), 11-16, 2003
Reduction of time-dependent systems admitting a superposition principle
JF Cariñena, J Grabowski, A Ramos
Acta Applicandae Mathematica 66, 67-87, 2001
Size distributions for all cities: Which one is best?
R González‐Val, A Ramos, F Sanz‐Gracia, M Vera‐Cabello
Papers in Regional Science 94 (1), 177-197, 2015
Shape-invariant potentials depending on n parameters transformed by translation
JF Carinena, A Ramos
Journal of Physics A: Mathematical and General 33 (17), 3467, 2000
A new geometric approach to Lie systems and physical applications
JF Carinena, A Ramos
Acta Applicandae Mathematica 70, 43-69, 2002
Poisson structures for reduced non-holonomic systems
A Ramos
Journal of Physics A: Mathematical and General 37 (17), 4821, 2004
The partnership of potentials in quantum mechanics and shape invariance
JF Carinena, A Ramos
Modern Physics Letters A 15 (16), 1079-1088, 2000
Applications of Lie systems in quantum mechanics and control theory
JF Carinena, A Ramos
arXiv preprint math-ph/0305021, 2003
On the new translational shape-invariant potentials
A Ramos
Journal of Physics A: Mathematical and Theoretical 44 (34), 342001, 2011
A geometric approach to integrability conditions for Riccati equations
JF Carinena, J De Lucas, A Ramos
arXiv preprint arXiv:0810.1740, 2008
Lie systems and Connections in fibre bundles: Applications in Quantum Mechanics, 9th Int
JF Carinena, A Ramos
Conf. Diff. Geom and Appl, 437-452, 2004
On the parametric description of the French, German, Italian and Spanish city size distributions
M Puente-Ajovin, A Ramos
The Annals of Regional Science 54, 489-509, 2015
The reaction-annihilator distribution and the nonholonomic Noether theorem for lifted actions
F Fasso, A Ramos, N Sansonetto
Regular and Chaotic Dynamics 12, 579-588, 2007
Comparisons of log-normal mixture and Pareto tails, GB2 or log-normal body of Romania’s all cities size distribution
I Băncescu, L Chivu, V Preda, M Puente-Ajovín, A Ramos
Physica A: Statistical Mechanics and its Applications 526, 121017, 2019
The size distribution of employment centers within the US Metropolitan Areas
D Arribas-Bel, A Ramos, F Sanz-Gracia
Environment and Planning B: Planning and Design 42 (1), 23-39, 2015
A geometric approach to time evolution operators of Lie quantum systems
JF Carinena, J de Lucas, A Ramos
International Journal of Theoretical Physics 48, 1379-1404, 2009
The accuracy of graphs to describe size distributions
R González-Val, A Ramos, F Sanz-Gracia
Applied Economics Letters 20 (17), 1580-1585, 2013
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