Dr. Ruben Dario Ortiz Ortiz
My Social Links

Dr. Ruben Dario Ortiz Ortiz

Professor
Cartagena University, Colombia


Highest Degree
Ph.D. in Mathematics from Universidad Michoacana de San Nicolas de Hidalgo, Mexico

Share this Profile

Biography

Dr. Ruben Dario Ortiz holds a position of Professor at University of Cartagena, Colombia. He earned his PhD in Mathematics from Universidad Michoacana de San Nicolas de Hidalgo. He is also serving as member of many jury committees. He also participated in number of scientific events. He has published 65 research articles in journals contributed as author/co-author. He successfully completed 6 research projects. He also supervised number of student’s thesis.

Area of Interest:

Mathematics
100%
Mathematics and Statistics
62%
Differential Geometry
90%
Dynamical System
75%
Partial Differential Equations
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
69
Abstracts
0

Selected Publications

  1. Palencia, P.P.O., R.D.O. Ortiz and A.M.M. Ramirez, 2021. Hyperbolic center of mass for a system of particles in a two-dimensional space with constant negative curvature: an application to the curved 2-body problem. Mathematics, Vol. 9. 10.3390/math9050531.
    CrossRef  |  Direct Link  |  
  2. Trujillo, J.A., G. Muriel and R.D. Ortiz-Ortiz, 2016. The thermoelectric power of alumel at high temperatures. J. Eng. Applied Sci., 11: 2304-2306.
    Direct Link  |  
  3. Trujillo, J.A., A. Garcia-Muriel, E.E. Quinones, R.D. Ortiz-Ortiz and A.M. Marin-Ramirez, 2016. Thermal, electrical and structural characterization of MI-AgI (M = Na, Li) systems above room temperatures. J. Eng. Applied Sci., 11: 2709-2712.
    Direct Link  |  
  4. Rovira-Florian, J.L., A.M. Marin-Ramirez and R.D. Ortiz-Ortiz, 2016. A generalization of the modified liouville equation. Am. J. Applied Sci., 13: 1326-1329.
  5. Marin-Ramirez, A.M., R.D. Ortiz-Ortiz and H. Campuzano-Estrada, 2016. Time fractional wave equation in the caputo sense. J. Eng. Applied Sci., 100: 2750-2754.
    Direct Link  |  
  6. Alvis-Zuniga, J.L., A.M. Marin-Ramirez and R.D. Ortiz-Ortiz, 2016. Solutions for the perturbed sine-gordon equation. J. Eng. Applied Sci., 100: 2294-2297.
    Direct Link  |  
  7. Ortiz-Ortiz, R.D., C. de Indias, C.E.A.V. Bolivar, C.P. de Bolivar and C.A.M.M.R. Bolivar, 2015. Functional response to predators holling type II, as a function refuge for preys in Lotka-Volterra model. Appl. Math. Sci., 9: 6773-6781.
    Direct Link  |  
  8. Marin-Ramirez, A.M., C. de Indias, V.P. Jaramillo-Camacho and R.D. Ortiz-Ortiz, 2015. Solutions for the combined sinh-cosh-gordon equation. Int. J. Math. Anal., 9: 1159-1163.
    CrossRef  |  Direct Link  |  
  9. Marin-Ramirez, A.M., C. de Indias, R.D. Ortiz-Ortiz and E.E. Caro-Zuniga, 2015. Antibound state for the discrete schrodinger equation. Adv. Stud. Theor. Phys., 9: 71-75.
    CrossRef  |  Direct Link  |  
  10. Berrio-Guzman, S.J., C. de Indias, A.M. Marin-Ramirez and R.D. Ortiz-Ortiz, 2015. Gaussian curvature in a p-orbital, hydrogen-like atoms. Adv. Stud. Theor. Phys., 9: 281-285.
  11. Almanza-Vasquez, E., C. de Indias, R.D. Ortiz-Ortiz and A.M. Marin-Ramirez, 2015. Use the refuge to protect the food chain when the area ecosystem is reduced. Appl. Math. Sci., 9: 1951-1959.
    Direct Link  |  
  12. Almanza-Vasquez, E., C. de Indias, R.D. Ortiz-Ortiz and A.M. Marin-Ramirez, 2015. Dynamic consequences of lotka-volterra predation model when the area inhabited by the preys and predators decreases. Appl. Math. Sci., 9: 1961-1970.
    Direct Link  |  
  13. Almanza-Vasquez, E., C. de Indias, R.D. Ortiz-Ortiz and A.M. Marin-Ramirez, 2015. Bifurcations in the dynamics of rosenzweig-macarthur predator-prey model considering saturated refuge for the preys. Appl. Math. Sci., 9: 7475-7482.
    Direct Link  |  
  14. Almanza-Vasquez, E., C. de Indias, A.M. Marin-Ramirez and R.D. Ortiz-Ortiz, 2015. Approximation to the dissipative klein-gordon equation. Int. J. Math. Anal., 9: 1059-1063.
    Direct Link  |  
  15. Valiente-Bahoque, E.L., C. de Indias, A.M. Marin-Ramirez and R.D. Ortiz-Ortiz, 2014. Poincares Map in a Van der Pol Equation. Int. J. Math. Anal., 8: 2939-2943.
    Direct Link  |  
  16. Rodriguez-Ceballos, J.A., A.M. Marin and R.D. Ortiz, 2014. A nonhomogeneous subdiffusion heat equation. Aust. J. Math. Anal. Applic., 11: 1-7.
    Direct Link  |  
  17. Marin-Ramirez, A.M., C. de Indias, R.D. Ortiz-Ortiz and R. Zabaleta-Mesino, 2014. Antibound state for Klein-Gordon equation. Int. J. Math. Anal., 8: 2945-2949.
    Direct Link  |  
  18. Marin-Ramirez, A.M., C. de Indias, J.A. Rodriguez-Ceballos and R.D. Ortiz-Ortiz, 2014. Quadratic systems without periodic orbits. Int. J. Math. Anal., 8: 2177-2181.
    CrossRef  |  Direct Link  |  
  19. Marin-Ramirez, A.M., C. de Indias, J.A. Ortega-Ramos and R.D. Ortiz-Ortiz, 2014. A result of a duffing equation. Int. J. Math. Anal., 8: 2173-2176.
    CrossRef  |  Direct Link  |  
  20. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2014. On the nonexistence of periodic orbits of some quadractic systems. Far East J. Math. Sci., 89: 129-135.
  21. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2014. Equation of heat subdiffusion with neumann boundary condition. Far East J. Math. Sci., 88: 187-198.
  22. Mar, A.M., R.D. Ortiz and J.A. Rodriguez-Ceballos, 2014. A subdiffusion heat equation with robin condition. Int. J. Pure Appl. Math., 94: 551-559.
    Direct Link  |  
  23. Jimenez-Sarmiento, J.E., C. de Indias, A.M. Marin-Ramirez and R.D. Ortiz-Ortiz, 2014. Poincare transformation in a lienard system. Int. J. Math. Anal., 8: 2421-2425.
  24. Diaz-Salgado, A., C. de Indias, A.M. Marin-Ramirez and R.D. Ortiz-Ortiz, 2014. The fluid of couette and the boundary layer. Int. J. Math. Anal., 8: 2561-2565.
    Direct Link  |  
  25. Berrio-Guzman, S.J., C. de Indias, A.M. Marin-Ramirez and R.D. Ortiz-Ortiz, 2014. Nonexistence of limit cycles in rayleigh system. Int. J. Math. Anal., 8: 2427-2431.
    CrossRef  |  Direct Link  |  
  26. Baron-Pertuz, C.F., C. de Indias, A.M. Marin-Ramirez and R.D. Ortiz-Ortiz, 2014. An approximation to the boussinesq equations. Int. J. Math. Anal., 8: 2433-2437.
    CrossRef  |  Direct Link  |  
  27. Baron-Pertuz, C.F., C. de Indias, A.M. Marin-Ramirez and R.D. Ortiz-Ortiz, 2014. An approximation to the benjamin-bona-mahony equation. Int. J. Math. Anal., 8: 2757-2761.
    Direct Link  |  
  28. Almanza-Vasquez, E., C. de Indias, R.D. Ortiz-Ortiz and A.M. Marin-Ramirez, 2014. Dengue forever. Int. J. Math. Anal., 8: 2547-2559.
  29. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2013. Some results for compact hypersurfaces. Far East J. Math. Sci., 72: 15-35.
  30. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2013. Schrodinger equation via WKB. Bull. Math. Sci. Applic., 2: 8-12.
  31. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2013. Natural frequencies of non-uniform rods. Int. J. Math. Sci. Eng. Applic., 7: 385-390.
  32. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2013. Elliptic problem with condition of Neumann on the boundary. Int. J. Math. Sci. Eng. Applic., 7: 13-18.
  33. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2013. An elliptic problem on the ball. Adv. Applic. Math. Sci., 12: 187-193.
  34. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2013. A result of an elliptic problem with dirichlet condition. Pioneer J. Adv. Appl. Math., 8: 1-6.
  35. Ramirez, A.M.M., R.D.O. Ortiz and C.F.B. Pertuz, 2013. A result of a lienard equation. Int. J. Math. Sci. Eng. Applic., 7: 159-162.
  36. Ortiz, R.D., A.M. Marin and J.A. Rodriguez, 2013. Natural vibrations of the shallow water equation. Br. J. Math. Comput. Sci., 3: 649-654.
  37. Marin-Ramirez, A.M., R.D. Ortiz-Ortiz and J.A. Rodriguez-Ceballos, 2013. A generalization of van der pol equation. Int. Math. Forum, 8: 1723-1726.
    CrossRef  |  Direct Link  |  
  38. Marin, A.M., R.D. Ortiz and J.A.R. Ceballos, 2013. Positive solutions of a nonlinear elliptic problem. Far East J. Math. Sci., 73: 243-259.
  39. Marin, A.M., R.D. Ortiz and J.A.R. Ceballos, 2013. Asymptotics for klein-gordon equation. Proyecciones J. Math., 32: 259-265.
    CrossRef  |  Direct Link  |  
  40. Marin, A.M., R.D. Ortiz and J.A.R. Ceballos, 2013. A dulac function for a lotka-volterra system. Far East J. Appl. Math., 81: 57-63.
  41. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2013. Natural vibrations of strings. Far East J. Appl. Math., 76: 145-152.
  42. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2013. Natural vibrations of sound waves in pipes. Theor. Math. Applic., 3: 23-29.
    Direct Link  |  
  43. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2013. Asymptotics of eigenfunctions for discrete Klein-Gordon equation. Int. J. Math. Sci. Eng. Applic., 7: 183-192.
  44. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2013. Asymptotic frequencies of beams left fixed and right supported. Int. Math. Forum, 8: 865-873.
    Direct Link  |  
  45. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2013. A study of a generalized lienard system. J. Math. Sci., 8: 17-21.
  46. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2013. A study of a Van der Pol equation. J. Math. Sci. Adv. Applic., 22: 39-43.
    Direct Link  |  
  47. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2013. A study of a Lienard system. Bull. Math. Sci. Applic., 2: 65-68.
  48. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2013. A semilinear elliptic problem with Neumann condition on the boundary. Int. Math. Forum, 8: 283-288.
  49. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2013. A generalization of an epidemiological model. Adv. Applic. Math. Sci., 12: 421-425.
  50. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2013. A generalization of a gradient system. Int. Math. Forum, 8: 803-806.
    Direct Link  |  
  51. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2013. A generalization of Van der Pol equation of degree five. Theor. Math. Applic., 3: 55-59.
    Direct Link  |  
  52. Marin, A.M., R.D. Ortiz and J.A. Rodriguez, 2013. A dulac function for a quadratic system. Theor. Math. Applic., 3: 49-54.
  53. Marin, A., R. Ortiz and J. Rodriguez, 2013. A study of a rayleigh system. Int. J. Math. Sci. Eng. Applic., 7: 415-418.
  54. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2012. Trapping waves by a submerged cylinder. Indian J. Pure Appl. Math., 43: 197-210.
  55. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2012. Trapped modes for water waves over submerged obstacles. Far East J. Appl. Math., 68: 131-143.
  56. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2012. Symmetric solutions of a nonlinear elliptic problem. Far East J. Math. Sci., 70: 283-287.
  57. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2012. Symmetric solutions of a nonlinear elliptic problem with neumann boundary condition. Appl. Math., 3: 1686-1688.
    CrossRef  |  Direct Link  |  
  58. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2012. Solutions of an elliptic problem with neumann condition. East J. Math. Sci., 71: 349-355.
  59. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2012. Resonances for the discrete shallow water equation. Far East J. Appl. Math., 68: 117-129.
  60. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2012. Asymptotics of eigenfunctions for the Schrodinger equation. Far East J. Appl. Math., 66: 69-76.
  61. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2012. A result of an elliptic problem with Neumann condition. Far East J. Appl. Math., 73: 41-47.
  62. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2012. A general result of a dynamical system without periodic orbits. Far East J. Dyn. Syst., 20: 95-100.
  63. Ortiz, R.D.O., A.M.M. Ramirez and J.A.R. Ceballos, 2012. Asymptotics of the Klein-Gordon equation. Far East J. Appl. Math., 70: 139-145.
  64. Ramirez, A.M.M., R.D.O. Ortiz and P. Zhevandrov, 2011. Trapping of water waves by submerged cylinders at high frequencies. Far East J. Appl. Math., 54: 95-106.
  65. Ramirez, A.M.M., R.D.O. Ortiz and J.A.R. Ceballos, 2011. Trapping of water waves by underwater ridges. Aust. J. Math. Anal. Applic., 7: 1-7.
  66. Marin, A.M., R.D. Ortiz and P. Zhevandrov, 2007. Waves trapped by submerged obstacles at high frequencies. J. Appl. Math., Vol. 2007. 10.1155/2007/80205.
    CrossRef  |  Direct Link  |  
  67. Marin, A.M., R.D. Ortiz and P. Zhevandrov, 2007. High-frequency asymptotics of waves trapped by underwater ridges and submerged cylinders. J. Comput. Appl. Math., 204: 356-362.
    CrossRef  |  Direct Link  |