Short Curriculum Vitae:

Nato a Roma il 17/09/1986

Diploma al Liceo Scientifico Statale “Nomentano”, con votazione 100/100

Laurea triennale in Fisica presso l’Università di Roma “La Sapienza”, con la dissertazione in Fisica Nucleare e Subnucleare, relatore prof. C. Bini: “Misura dell’anomalia del momento magnetico del muone: rassegna storica e prospettive”, 104/110.

Laurea Magistrale in Fisica presso l’Università  La Sapienza, con una tesi in Fisica Matematica, relatore prof. C. Marchioro: “ Localizzazione e stabilità del campo scalare attivo in meccanica dei fluidi”, 110/110

Research Topics:  Mathematical Physics, Mathematical Fluid Mechanics, Fractional Differential Equations and Applications, Geophysical fluid mechanics

Pubblicazioni:          

Mathematical Fluid Mechanics:

[1] R. Garra, Inviscid limit of the dissipative active scalar flow, Reports in Math Phys. 70 (1), 51-63, (2012)

[2] R.Garra, Localization of point vortices under curvature perturbations, MEMOCS (Mathematics and Mechanics of Complex Systems), 1(1), 19-31, (2013)

[3] G. Cavallaro, R. Garra, C. Marchioro, Localization and stability of active scalar flows, Rivista di Matematica dell’Università di Parm, 4(1), 175-196, (2013)

[4] D. Baleanu, R. Garra, I. Petras, A fractional variational approach to the fractional Basset-type equation, Reports in Math Phys., 72 (1), 57-64, (2013)

[5] F. Falcini, A. Piliouras, R. Garra, A. Guerin, D. J. Jerolmack, J. Rowland and C. Paola,  Hydrodynamic and suspended sediment transport controls on river mouth morphology, Journal of Geophysical Research: Earth Surface, 119(1), (2014)

 

Random flights and telegraph process:

[6] R. Garra. E. Orsingher, Random flights governed by Klein-Gordon-type partial differential equations, Stochastic Processes and their Applications,

Volume 124, Issue 6, 2171-2187, (2014)

[7] R. Garra, E. Orsingher, F. Polito, Fractional Klein-Gordon equations and related stochastic processes, Journal of Statistical Physics, Volume 155, Issue 4, pp 777-809, (2014)

Fractional differential equations and applications:                                              

[8] R. Garra, F. Polito, A note on fractional linear pure birth and pure death processes in epidemic models, Physica A, Vol. 390 (21-22), 3704-3709, (2011)

 

[9] R. Garra, Analytic solution of a class of fractional differential equations with variable coefficients by operatorial methods, Comm. Nonlin. Sc and Num. Sim, 17 1549–1554, (2012)

 

[10] R.Garra, Fractional calculus model for temperature and pressure waves in fluid-saturated porous rocks, Phys. Rev E, 84, 036605 (2011)

[11] G.Casasanta, D. Ciani, R.Garra, Non exponential extinction of radiation by fractional calculus modelling, Journal of Quantitative Spectroscopy & Radiative Transfer, 113 (2012), 194–197

[12] G. Casasanta, R.Garra, Fractional calculus approach to the acoustic wave propagation with space-dependent sound speed, Signal, Image and Video Processing, 6 (3), 389-392 (2012), special issue on fractional calculus

[13] R. Garra, F. Polito, Coupled systems of fractional equations related to sound propagation: analysis and discussion, J. Math. Physics, 53, 043502, (2012)

 

[14] R. Garra, F. Polito, Fractional calculus modelling for unsteady unidirectional flow of incompressible fuids with time-dependent viscosity, Comm. Nonlin. Sc. And Num. Sim., 17(12), 5073–5078, (2012)

 

[15] R. Garra, F. Polito, Analytic solutions of fractional differential equations by operational methods, Appl. Math and Comp, 218(21), 10642–10646, (2012)

 

[16] R. Garra, F. Polito, On Some Operators Involving Hadamard Derivatives, Integral Transform and Special Functions, 1-10, (2013)

 

[17] V. Voller, F. Falcini, R.Garra, Fractional Stefan problems exhibiting lumped and distributed latent heat memory effects, Phys.Rev. E, 87 (4), 042401, (2013)

 

[18] R. Garra, E. Salusti, Application of the nonlocal Darcy law to the propagation of nonlinear thermoelastic waves in fluid saturated porous media, Physica D, 250, 52–57, (2013)

 

[19] Z. Tomovski, R. Garra, Analytic solutions of fractional integro-differential equations of Volterra type with variable coefficients , Fractional Calculus and Applied Analysis, 17(1), 38-60, (2014)

 

[20] R.Garra, P. Artale Harris, Analytic solution of nonlinear fractional Burgers-type equation by invariant subspace method, Nonlinear Studies, 20(4),

471-481, (2013).

[21] R.Garra, A. Giusti, F.Mainardi, F.Pagnini, Fractional relaxation with time-varying coefficient, Fractional Calculus and Applied Analysis, Volume 17, Issue 2, pp 424-439 , (2014)

[22] R.Garra, E. Orsingher, F. Polito, State-dependent Fractional Point Processes, accepted by Journal of Applied Probability, (2014)

 

[23] R. Garra, R.Gorenflo, F. Polito, Z. Tomovski, Hilfer-Prabhakar Derivatives and Some Applications, Applied Mathematics and Computation, Vol. 242, 576-589, 2014

 

[24] M. D’Ovidio, R. Garra, Multidimensional fractional advection-dispersion equations and related stochastic processes. Electronic Journal of Probability, 19 (2014), no. 61, 1-31.

 

 

Proceedings:

 

[25] R. Garra, E. Orsingher, F.Polito, Fractional Klein-Gordon equation for linear dispersive phenomena: analytical methods and applications, IEEE Xplore, International Conference on Fractional Differentiation and its Applications, (2014)

 

Referee for: Annales de l’Institut Henri Poincaré (B),  Mathematical Methods in the Applied Sciences, Fractional Calculus and Applied Analysis (FCAA), Central European Journal of Physics, Journal of Applied and Computational Mathematics, Abstract and Applied Analysis, JMAA, Nonlinear Dynamics, Journal of the Egyptian Mathematical Society

Reviewer for Mathscinet.

Talks and seminars:

 

1.      Fractional Klein-Gordon equation and related stochastic processes, Dipartimento di fisica Università di Bologna “Alma Mater Studiorum”, Novembre 2013

2.      Fractional Klein-Gordon equation for linear dispersive phenomena: analytical methods and applications, ICFDA'14 - International Conference on Fractional Differentiation and its Applications. Catania, June 2014

3.      Fractional Klein--Gordon equation and related processes, First Joint International Meeting RSME-SCM-SEMA-SIMAI-UMI, Special session Mathematical Aspects and Applications of Fractional Differential Equations, Bilbao, July 2014

 

Miscellanea:  

Collaboratore e membro della redazione di Accastampato, Rivista degli studenti di Fisica dell’Università La Sapienza, autore dei seguenti articoli di divulgazione per Accastampato:

 

R. Garra, L’osservatorio geodinamico di Rocca di Papa, Accastampato n.2

 

I. Biazzo, R. Garra, Dai quark ai cristalli, Quarant’anni di storia della fisica negli occhi di Giuliano Preparata, Accastampato n. 3  

 

R. Garra, Prevenzione sismica in Italia, Intervista a Gaetano De Luca, Accastampato n.3

R. Garra, G. Casasanta, Luce sull’atmosfera: il LiDAR, Accastampato n.4

Altri interessi:

Storia della fisica e dell’oceanografia. In questo ambito è stato accettato l’abstract per il primo convegno Nazionale di Storia dell’Oceanografia :

F. Falcini, R. Garra, La scoperta della radiazione penetrante sul mare: l’incontro tra l’oceanografia e la fisica dei raggi cosmici, dagli inizi all’attualità.