Hugo Leiva

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PUBLICACIONES :
ARTÍCULOS CIENTÍFICOS: 1. H. Leiva y D. Bárcenas (1987) “Una caracterización de semigrupos fuertemente continuos en (x>0), con valores en un espacio de Banach Dual con la propiedad de Radon-Nikodym”. Notas de Matemáticas Nº 83, U.L.A., Mérida. 2. H. Leiva y D. Bárcenas (1989) “Controllability with Restrictions in Banach Spaces”. Acta Científica Venezolana; Vol. 40. 3. H. Leiva y D. Bárcenas (1991) “Quasi-Semigroups, Evolution Equation and Controllability”. Notas de Matemática Nº 109. U.L.A., Mérida. 4. H. Leiva y D. Bárcenas (1991) “On the Optimal Control in Banach Spaces”. Notas de Matemática Nº 110. U.L.A., Mérida. 5. H. Leiva y D. Bárcenas (1991) “Extension of the Range Condition for the Controllability of Non-Autonomous Linear Sistems”. Notas de Matemática Nº 111, U.L.A., Mérida. 6. H. Leiva and B. Lehman (1991) “Algebraic Rank Test for Controllability of Non-Autonomous Linear Sistems”. CDSNS92. 7. H. Leiva and B. Lehman (1993) “Approximate Controllability of Special Classes of Bounded Abstract Nonautonomous Evolution Equations”. 32^ndIEEE C.D.C. 8. H. Leiva and S.N. Chow (1994) “Dynamical Spectrum for Time Dependent Linear Systems in Banach Spaces”, Japan Journal of Industrial and Applied Mathematics (JJIAM), Vol. 11, Nº. 3. 9. H. Leiva and S.N. Chow “Existence and Roughness of the exponential Dichotomy for Skew-Product Semiflow in Banach Spaces”, Journal of Differential Equations, Vol. 120, Nº. 2. August 10, 1995. 10. H. Leiva and S.N. Chow “Two Definitions of Exponential Dichotomy for Skew-Product Semiflow in Banach Spaces”, Proceeding of the American Mathematical Society, Vol. 124, Nº 4, April, 1996. 11. H. Leiva and S.N. Chow (1995) “Dynamical Spectrum for Skew Product Flow in Banach Spaces”. World Scientific Publishing Company. Vol, Boundary Value Problem for Functional Differential Equation. 1994. 12. H. Leiva “Stability of the Periodic Orbit for a System of Parabolic Equations” Journal of Applicable Analysis, Vol. 60, pp. 277-300 (1996). 13. H. Leiva and S.N. Chow (1995) “Unbounded Perturbation of the Exponential Dichotomy for Evolution Equations”. Journal of Differential Equations, Vol. 129, Nº. 2. August 10, 1996. 14. H. Leiva “General Perturbation of the exponential Dichotomy for evolution Equations”. Resenhas IME_USP 1997, Vol. 3, Nº 1, 1-12. 15. H. Leiva “Exponential Dichotomy for a Non_Autonomous System of Parabolic Equations”. Journal of Dynamics and Dynamics and Differential Equations, Vol. 10, Nº.3.1998. 16. H.Leiva. “Existence Bounded Solutions of a Second order Sistem with Dissipation” Journal of Math. Anal and Applications 237, 288-302 (1999). 17. H. Leiva. “Rank Condition for the Controllability of a Non- Autonomous System” INT.J.CONTROL, Vol. 72, Nº.10, 929-931 (1999). 18. L. Garcia and H. Leiva. “Center Manifolds and Exponentially Bounded Solutions of Forced Newtonian System with Dissipation” E. Journal Differential Equations. CONF. 05, 2000, PP. 69-77. 19. H. Leiva and I. Sequera “Exponential Bounds and Stability of a Non-Linear Parabolic Equations” Acta Científica Venezolana, Vol. 52, Nº 2, 2000. 20. H. Leiva. “Dynamical Spectrum for Scalar Parabolic Equations” Applicable Analysis. Vol. 76 (1-2), pp. 9-28, 2000. 21. H. Leiva. “Bounded Solutions for of a Second order Evolution Equations and Applications” Journal of Math. Physics. Vol. 41, N°11, 2000. 22. H. Leiva and D. Bárcenas “Characterization of Extremal Controls for Infinite Dimensional Time-Varying Systems”. SIAM. J. Control and Optim. Vol. 40, N° 2, pp. 333-347, 2001. 23. H. Leiva and H. Rodriguez “Relative Asymptotic Equivalence of Evolution Equations”. Non linear Analysis; Vol. 47. 2001, pp. 4579-4590. 24. H. Leiva and H. “Unbounded Perturbation of the Controllability for Evolution Equation” J. Math. Analysis and Appl.; Vol. 280. 2003, pp. 1-8. 25. H. Leiva and I. Sequera “Existence and Stability of Bounded Solutions for a System of Parabolic Equations” J. Math. Analysis and Appl., Vol. 279 2003; pp. 495-507. 26. H. Leiva “ A Necessary Algebraic Condition for Controllability and Observability of Linear Time-Varying Sistems” IEE TRANSACTION ON AUTOMATIC CONTROL; Vol. 48, N° 12. 2003. 27. H. Leiva Z. Sivoli “Existence and Stability of Bounded Solutions for a for Nonlinear Time-Varying Thermoelastic Plate Equation” J. Math. Analysis and Appl. Vol. 285. 2003; pp. 191-211. 28. H. Leiva “A Necessary and Sufficient Algebraic Condition for the Controllability of a Thermoelastic Plate Equation” IMA Journal of Control and Information; Vol. 0. 2003, pp. 1-18. 29. H. Leiva “A Lemma on Co Semigroup and Applications” Quastiones Mathematics; Vol. 26. 2003, pp. 1-19. 30. A. Acosta and H. Leiva “Exponentially Bounded Solutions of a System of Parabolic Equation” Applicable Analysis; Vol. 83. 2004, pp. 669-709. 31. H. Leiva “Exact Controllability of the Suspension Bridge Model Proposed by Lazer and McKenna” J. Math. Analysis and Appl. 309(2005) 404-419. 32. D. Bárcenas, H. Leiva and Z. Sívoli “A broad class of evolution Equations are approximately controllable but never exactly controllable” IMA Journal of Mathematical Control and Information; Vol. 0. 2005, pp. 1-11. 33. H. Leiva “Exact controllability of a non-linear generalized damped wave equation: Application to the Sine-Gordon equation”. E. Journal of Diff. Eqns., Conference; Vol. 13, 2005, pp. 75-88. 34. H. Leiva “Controllability of a System of Parabolic equation with non-diagonal diffusion matrix”. IMA Journal of Mathematical Control and Information; Vol. 32, 2005, pp. 187-199. 35. D. Bárcenas, A. Tineo, and H. Leiva “Quasi Semigroups and Evolution Equations”. International Journal of Evolution Equations, Vol. 3. 2005, pp.17-36. 36. D. Bárcenas, W. Urbina and H. Leiva “Controllabity of the Onstein Uhlenbeck Equation” IMA, J. Math. Control Inform. 23. No. 1, (2006), 1-9. 37. D. Bárcenas, A. Tineo, and H. Leiva “The Dual Quasisemigroup and controllability of evolution equations “. Journal Mathematical Analysis and Applications, 2006, pp.1-12. 38. H. Leiva and E. Iturriaga “A necessary and sufficient condition for the controllability of linear systems in Hilbert spaces and applications “.IMA Journal of Mathematical Control and Information; doi: 10.1093/imamci/dnm017, pp. 1-12 ( 2007). 39. D. Barcenas, H. Leiva, Y. Quintana and W. Urbina, Controllability of Laguerre and Jacobi Equations. International Journal of Control, Vol. 80, No. 8, August 2007, 1307-1315. 40. N. Adames, H. Leiva and J. Sánchez “Approximate Controllability of the B.B.M Equation” Divulgaciones Matemáticas, Vol. 15 No. 1(2007), 1-9. 41. A. Carrasco and H. Leiva, ``Variation of Constant Formula for Fuctional Partial Parabolic Equations'' E. Journal of Differential Equations, Vol.2007 (2007), No.130, pp.1-20. 42. A. Carrasco and H. Leiva “A Negative Result on the Controllability of Damped Wave Equation with Delay”, International Mathematical Forum, Vol. 3, No 9-12, 2008. 43. H. Leiva and Jahnett Uzcátegui “Exact Controllability of Nonlinear Differnce Equations”, Journal of Difference Equation and Applications, Vol. 14, No. 7, July, 2008, 671-679. 44. H. Leiva and Jahnett Uzcátegui “Controllability of Linear Difference Equations” IMA Journal of Mathematical Control and Information PP. 1-18, doi:10.1093/imamci/dnm027.. 45. Hugo Leiva “Exact Controllability of Semilinear Evolution Equations in Hilbert Spaces and Applications”, Int. J. Systems, Control and Communications, Vol. 1, No. 1, 2008. 46. Hugo Leiva “Exact Controllability of nD Nolinear Damped Wave Equation”, to appear in Revista de Ingenieria de la ULA, 2008. 47. T. Lara and H. Leiva “On the Controllability of a Type of Large Scale CNN with Delays”, Divulgaciones Matemáticas Vol. 16 No 1( 2008), pp. 29- 48. A. Acosta, H. Leiva and J. Rebaza “A Necessary and Sufficient Algebraic Condition for the Controllability of a Strongly Damped Wave Equation”, Mathematical Sciences Vol.2, No. 2 (2008) 223-242 49. A. Carrasco and H. Leiva “Approximate Controllability of a System of Parabolic Equations with Delay”, J. Math. Anal. Appl, 345(2008) 845-853. 50. Hugo Leiva and Z. Sivoli “Controlabilidad Exacta para una Ecuación de Onda Integro-Diferencial con Retardo” , Revista Ciencia e IIngenieria . Vol. 30, N0. 2, pp. 143-148, Abril-Julio, 2009. 51. H. Larez, H. Leiva and J. Uzcátegui (2011) “Controllability of Block Diagonal Systems and Applications”, Int. J. Systems, Control and Communications, Vol. 3, N0. 1, pp. 64-8. 52. H. Leiva and Y. Quintana “Interior Controllability of a Broad Class of Reaction Diffution Equations” , Mathematical Problems in Engineering, Vol. 2009, Article ID 708516, 8 pages, doi: 10.1135/2009/708516. 53. A. Carrasco and H. Leiva “A Lemma on Evolution Operators and Applications”, Advances and Applications in Mathematical Sciences, Vol. 9, Issue 1, 2011, pp. 1-21. 54. A. Acosta, P. Garcia and H. Leiva “Synchronization Conditions for Master-slave Reaction Diffusion Systems “, Euro physics Letters. 2009 EPL 88 60006 (4pp) doi: 10.1209/0295-5075/88/60006 55. J. Appell, H. Leiva and N. Merentes “Nonlinear Spectral Theory and Controllability of Semilinear Evolution Equations”, Int. Journal of Evolution Equtions, Vol. 4, Number 2, pp. 213-225 (2010). 56. H. Larez and H. Leiva “Interior controllability of a $2 \times 2$ Reaction-Diffusion system”, Boundary Value Problems, Vol. 2009, Article ID 560407. 57. W. Aziz, H. Leiva, N. Merentes and J. L. Sáchez “Functions of two Variables with Bounded $\phi $ - Variation in the Sense of Riesz” Journal Mathematics and Applications, N0. 32, pp, 1-19 (2009) 58. W. Aziz, H. Leiva, J. Matkowski and N. Merentes, “Uniformly Continous Composition Oparators in the Space of Bounded $\varphi$-Variation Functions” Journal of Non Linear Analysis, Vol. 72(2010) 3119-3123.. 59. J. A. Guerrero, H. Leiva, J. Matkowski and N. Merentes” Uniformly Continuous Composition Operators in the Spece of Bounded $\vphi$ Variation funtions”, Nonlinear Analysis Series A: Theory, Methods and Applications, 72 (2010), 3119-3123. 60. W. Aziz, H. Leiva, N. Merentes and B. Rzepka “A Representation for $\varphi$-Bounded Variation Functions in the Sense of Riesz”, Commentationes Mathematicae Vol. 50, Nº. 2 (2010), 109-120 61. H. Leiva, N. Merentes and J. Sánchez “Interior Controllability of the B.B.M Equation” Journal of Mathematics and Applications, Nº 33, pp 51-59 (2010). 62. H. Leiva “An Extension of Cramer`s Rule for nxm Matrixes” To appear in Divulgaciones Matemáticas. 63. D. Bárcenas, H. Leiva and A. Tineo “ Transversality Condition for Infinite Dimensional Control Problem” ,Boletín de la Asociación Matemática Venezolana, Vol. XVII, Nº. 2 (2010) 64. D. Bárcenas, S.-N. Chow, H. Leiva and A. Tineo “ Skew-Product Semiflows and Non Autonomous Control”, Journal of Mathematical Analysis and Applications, Vol. 381 (2011) 247-262. 65. D. Bárcenas, H. Leiva and A. Tineo, “The Gelfand Integral and Continuity of the Adjoint of Evolution Operator”, Aceptado en Int. Journal of Nonlinear Operators Theory and Applications(IJNOTA) 66. H. Leiva, N. Merentes and José L. Sanchez, “Interior Controllability of Semilinear Systems of Parabolic Equations with Non-Diagonal Diffusion Matrix” Submitted. 67. H. Leiva and N. Merentes, “Controllability of Second Order Equation in L2” , Mathematical Problems in Engineering, Vol. 2010, Art. ID 147195, 11pages, doi:10.1155/2010/147195. 68. H. Leiva and N. Merentes, “Interior Controllability of the Thermoelastic Plate Equation”. African Diaspora Journal of Mathematics, Vol. 12, Nº 1, pp. 1-14(2011). 69. E. Iturriaga and H. Leiva, “A Characterization of Semilinear Surjective Operators and Applications to Control”. Applied Mathematics, Vol. 1, 137-145(2010). 70. D. Barraez, H. Leiva, N. Merentes and M. Narveaz, “Exact Controllabiity of Semilinear Stochastic Evolution Equations”, A. Diaspora Journal of Mathematics, Vol. 11, Number 2, pp. 1-16 (2011). 71. H. Leiva, N. Merentes and J.L. Sánchez, “Interior Controllability of the nD Semilinear Heat Equation”, A. Diaspora Journal of Mathematics, Special Volume in Honor fo Profs. C. Corduneanu, A. Fink, and S. Zaidman, Vol. 12, Number 2, pp. 1-12 (2011). 72. J. Appell, H. Leiva, N. Merentes and A. Vignoli “Un espectro de compresi\'on no lineal con aplicaciones a la controlabilidad aproximada de sistemas semilineales”. Submited. 73. Alexander Carrasco and Hugo Leiva, “A Lemma on Evolution Operator and Applications”, Advances andApplicatios in Mathematical Sciences, Vol. 9, Nº 1, 2011, pg. 1-21. 74. A. Carrasco, H. Leiva, J. Rebaza and A. Tineo M., “Regularized Evolution Operators and Applications”, Journal Mathemaical Control Science and Applications (JMCSA), Vol. 4, Nº. 1, June 2011, pp. 33-51. 75. Hugo Leiva and Jahnett Uzcátegui, “Approximate Controllability of Semilinear Difference Equations and Applications”, Journal Mathemaical Control Science and Applications (JMCSA), Vol. 4, Nº. 1, June 2011, pp. 9-19. 76. H. Larez, H. Leiva and Jorge Rebaza,”Interior Controllability of Strongly Damped Wave Equations”. Canadian Applied Mathematics Quarterly, Vol. 20, Nº. 3, Fall 2012. 77. Hugo Leiva, Nelson Merentes and Miguel Narvaez, “Unbounded Perturbation of the Controllability for Stochastic Evolution Equations”. International Journal of Evolution Equations, Vol. 6, Nº.1.pp. 77-88. (2012). 78. L.A. Azocar, H. Leiva and N. Merentes, “Controllability of Semilinear Volterra-Stieltjes Equation in the Space of Regulated Functions”. J. Control Theory Appl. 2012, 10(1) 123-127. 79. Hugo Leiva, “A Sufficient Condition for the Controllability of Semilinear Nonautomous Systems”, Accepted in Journal Mathemaical Control Science and Applications (2012). 80. H. Leiva, N. Merentes and J. Sánchez “Controllability of the Semilinear Benjamin-Bona-Mahony Equation” Accepted in Journal of Mathematics and Applications, (2011). 81. H. Larez, H. Leiva and D. Mendoza, “Interior Controllability of a Timoshenko Type Equation”, International Journal of Control Science and Engineering 2011; 1(1): 15-21, DOI: 10.5923/j.control. (2011)0101.03 82. A. Acosta, P. García and H. Leiva, “Synchronization of non-identical chaotic systems”, Applicable Analysis, 2011, 1-12, iFirst. 83. H. Leiva, N. Merentes and J. Sánchez “Approximate Controllability of Semilinear Reaction Diffusion” MATHEMATICAL CONTROL AND RALATED FIELDS, Vol. 2, Nº.2, June 2012. 84. Hugo Leiva and Wilmer Pereira “Interior Controllability of the Linear Beam Equation”, African Diaspora Journal of Mathematics, Vol. 14, pp. 30-38(2012). 85. A. Carrasco, H. Larez, H. Leiva and J. Sánchez, “Interior Controllability of the Semilinear Strongly Damped Wave Equation”, Submited.. 86. A. Carrasco, H. Leiva and A. Tineo,”Controllability of a Linear Cascade System in $H=L^{2}(\Omega)$”, Accepted in International Journal of Control Science and Applications. 87. Hugo Leiva, “Approximate Controllability of Semilinear Cascade Systems in H”, Int. Math. Forum, Vol. 7, 2012, nº. 57, 2797-2813. 88. H. Leiva, N. Merentes and J. Sánchez, “A Chracterization of Semilinear Dense Range Operators and Applications”, J. Abstract Analysis and Applications, Vol. 2013, Article ID 729093. 89. H. Leiva, J. Matute and N. Merentes, “On the Hammerteing-Volterra Equation in the Space of the Absolutely Continuous Functions”, Int. J. of Math. Analysis, Vol. 6, (2012), Nº. 60, 2977-2999. 90. W. Aziz, H. Leiva and N. Merentes, “Solutions of Hammerstein Equations in the Space BV”, Quaestiones Mathematicae 37(2014), 1-12 91. H. Leiva, N. Merentes, K. Nikodem and J. L. Sánchez, “Strongly Convex Set-Valued Maps”, Accepted in Journal of Global Optimization(proceeding of GCM10). J060-D-12-00194r2. 92. H. Leiva, J. Matute and N. Merentes, “On the Hammerstein-Volterra Equation in the Space of the Absolutely Continuous Functions”. Int. Journal of Math. Analysis, Vol. 6, 2012, nº. 60, 2977-2999. 93. H. Larez, Hugo Leiva and J. Rebaza ,”Approximate Controllability of a Demped Wave Equations”. Canadian Applied Mathematics Quarterly, Vol. 20, Nº. 3, Fall 2012. 94. A. Carrasco, H. Leiva, and J. L. Sánchez, “Controllability of the Semilinear Beam Equation”, Journal of Dynamical and Control Systems, (2013) 19:553-568. DOI 10.1007/s10883-013-9193-4. 95. H. Leiva, N. Merentes, J. Sanchez and A. Tineo M., “Approximate Controllability of Semilinear Non-Autonomous Systems in Hilbert Space”. Advance in Dynamical Systems and Applications, Vol. 10, Nº. 1, pp. 57-75(2015). 96. H. Leiva$, N. Merentes and J. Sanchez$, “Approximate Controllability of a Semilinear Heat”. International Journal of Partial Differential Equations, Vol. 2013, Article ID 424309. 97. L. Azocar, H. Leiva, J. Matute and N. Merentes, “On the Hammerstein Equation in the Space of Functions of Bounded $\varphi$-variation in the Plane$”. ARECHIVUM MATHEMATICUM (BRNO), Tomus 49 (2013), 51-64. 98. Hugo Leiva and Jahnett Uzcategui, “Observability of Linear Differential Equations in Hilbert Spaces and Applications”, African Diaspora Journal of Mathematics, Special Volume in Honor of Prof. Gaston M . N’Guerkata, Vol. 15, Nº. 1, pp. 1-13(2013). 99. Hugo Leiva, “Rothe's Fixed Point Theorem and Controllability of Semilinear Nonautonomous Systems”. System and Control Letters 67 (2014) 14-18. 100. Hugo Leiva, “Rothe's Fixed Point Theorem and Controllability of Semilinear Nonautonomous Systems with Memory and Delay”. Accepted in Science and Information Conference 2014. London, UK. 101. A. Carrasco, Hugo Leiva, J.L. Sanchez and A. Tineo M, ”Approximate Controllability of the Semilinear Impulsive Beam Equation with”. Transaction on IoT and Cloud Computing 2(3) 70-88, 2014. 102. Hugo Leiva, “"Controllability of Semilinear Impulsive Nonautonomous Systems", International Journal of Control, 2014, http/dx.doi.org/10.1080/00207179.2014.966759. 103. Hugo Leiva and Nelson Merentes$, “Approximate Controllability of the Semilinear Heat Equation with Memory and Delay”. International J. of Pure and Engg. Mathematics (JJPEM), ISSN 2348-3881, Vol. 3 Nº. I (April, 2015), pp. 104. A. Carrasco, Hugo Leiva and N. Merentes,”Controllability of the Perturbed Beam Equation”. IMA Journal of Mathematical Control and Information (2015) pp. 1-13, doi:10.1093/imamci/dnu056. 105. Hugo Leiva and N. Merentes,”Approximate Controllability of the Impulsive Semilinear Heat Equation”. Journal of Mathematics and Applications, Nº. 38, pp 85-104 (2015). 106. Hugo Leiva, "Approximate Controllability of Semilinear Impulsive Evolution Equations", Abstract and Applied Analysis, Vol. 2015, Article ID 797439, 7 pages. 107. Hugo Leiva, E. A. Medina and N. Merentes, “Relative Asymptotic Equivalence Between Difference Equations”, Journal Difference Equations and Applications, Vol. 21, Nº. 5, 418-436(2015) 108. H. Larez, Hugo Leiva, J. Rebaza and A. Rios,”Approximate Controllability of the Semilinear Impulsive Strongly Demped Wave Equations”. Journal of Applied Analysis, 2015:aop. 109. A. Carrasco, Hugo Leiva, N. Merentes and J.L. Sanchez,”Approximate Controllability of the Semilinear Beam Equation with Memory and Delay”. Submitted to Nonlinear Analysis 110. A. Carrasco, H. Leiva, N. Merentes and J. L. Sánchez, “Approximate Controllability of Semilinear System of Parabolic Equations with Delay”, Asian Journal of Control, Vol. 18, Nº. 4, pp. 1-10, July 2015. 111. D. Barraez, H. Leiva, N. Merentes and M. Narvaez, “Controllability for Semilinear Stochastic Difference Equations”, Preparation. 112. Hugo Leiva, A. Rios, J. L. Rodriguez, A. Tineo,”Controllabilidad de Sistemas Descriptores Semilineales” Congreso Latinoamericano de Control Automatico, CLCA 2014. Octubre 14-17. Cancún, Quintana Roo. México. LIBROS: 1. D. Bárcenas y H. Leiva, “Semigrupos Fuertemente Continuos y Algunas Aplicaciones” XV Escuela Venezolana de Matemáticas (2000) 2. H. Leiva y H. Zambrano, “Controlabilidad de Sistemas Semilineales” VI TForMa (2005) 3. D. Bárcenas y H. Leiva, “Semigroups and Control Theory”(2008). Editions Societe Mathematique de France, serie "Seminaires et Congres"

ULTIMAS PONENCIAS EN CONGRESOS
XX Jornadas de la Asociación Matemática Venezolana. Universidad Simón Bolivar, del 10 al 13 de Abril de 2007. Conferencia: Exact Controllability of Semilinear Evolution Equation s in Hilbert Spaces and Applications. VI Jornadas Científico Técnicas Facultad de Ingeniería ULA, Octubre de 2007. Ponencia : Exact Controllability of the nD Nonlinear Damped Wave Equation Seventh Ameritas School in Differential Equations and Nonlinear Análisis. Cartagena , Colombia : July 23-27, 2007. Ponencia: Exact Controllability of nD Nolinear Damped Wave Equation. ICMC Summer Meeting in Diferencial Equations 2008 Chapter. Universidad de Sao Paulo, Instituto de Ciencias y Computación, Brasil, Del 28 de Enero al 3 de febrero de 2008. Ponencia: Interior Controllability of the Thermoelastic Plate Equation

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PRE - GRADO
1. Gladys Bruzual: Un Problema de control Óptimo en Espacios de Banach. Fac. Ciencias, U.C.V. 1984. 2. Ambrosio Tineo: Semigrupo Local de Operadores, Fac. Ciencias, U.L.A. 1987. 3. José Ruiz: Controlabilidad con Restricciones, Fac. Ciencias, U.L.A. 1989. 4. María E. Parodi P: Perturbaciones de los S. de E. D. No-lineales. Ecuación, Fac. Ciencias, U.L.A. 1998. 5. Hicchert Zambrano: Controlabilidad de Sistemas No-Lineales, Fac. Ciencias, U.L.A. 1998. 6. Jaime Munive: Una Aplicación del Teorema de Hille-Yosida-Phillips en Termoelasticidad, Fac. Ciencias, U.L.A.1998. 7. Magaly Armenta: Un Teorema Sobre Estabilidad Orbital y Aplicaciones, Fac. Ciencias, U.L.A. 2001.
MAESTRÍA
1. José Ibrain Sequera: A. Exponenciales y Estabilidad S.E.D Parabólicos, LUZ. 1998. 2. Luis García: Existencia de Soluciones Acotadas para E.D.S con Difusión, Fac. Ciencias, U.L.A. 1998. 3. Zoraida Sívoli: Existencia de Soluciones Acotadas para Ecuaciones Diferenciales Ordinarias y Aplicaciones, Fac. Ciencias, U.L.A. 1999. 4. Jesús Matute: Existencia de un Atractor Global y de un Sistema Semilineal de Ecuaciones de la Termoelasticidad en una Dimensión, Fac Ciencias, U.L.A. 1999. 5. Marisol Bonilla: Un Criterio de Controlabilidad , Fac. Ciencias, U.L.A. 2001. 6. Ambrosio Tineo: Quasi Semigrupos y E. de E., Fac. Ciencias, U.L.A. 2001. 7. Cristina Sandoval: Existencia de Soluciones E.A, Fac. Ciencias, U.L.A. 2001.
DOCTORADO
1. Zoraida Sívoli : Existencia de Soluciones Acotadas y Controlabilidad de Ecuaciones de Evolución Semilineales. Finalizó y defendió en Junio 2006 2. Alexander Carrasco: Ecuaciones Diferenciales Parciales Funcionales: Representación, Controlabilidad, Existencia de Soluciones Acotadas. Programa de Doctorado de la Facultad de Ciencias, U.C.V.. Defiende en abril de 2008. 3. Hanzel Larez: Controlabilidad de Sistemas Semilineales y Aplicadas. Facultad de Ingeniería, Doctorado en Ciencias Aplicadas, U.L.A. 2005. 4. Jahnett Uzcátegui: Controllabilidad de Ecuaciones en Diferencias en Espacios de Hilbert.


Contacto y Sugerencias: hleiva@ula.ve		Diseño y Programación: