Papers

Phd Thesis

Liviu Ignat, PROPIEDADES CUALITATIVAS DE ESQUEMAS NUMERICOS DE APROXIMACION DE ECUACIONES

DE DIFUSION Y DE DISPERSION, Universidad Autonoma de Madrid, Spain, September 15, 2006, PDF

Master theses

Diana Stan, Qualitative properties for the solutions of Scrodinger equations, SNSB, 2010, PDF

Cristian Gavrus, Dispersion property for discrete Schrodinger equations on networks, PDF

Bachelor degrees theses

Emilian Paraicu, Integrale oscilatorii si aplicatii (Romanian), June 24, 2015, Bucharest, Romania, PDF

Journal Articles

36. Liviu Ignat, Diana Stan, Asymptotic behaviour for fractional diffusion-convection equations, PDF

35. L. Beznea, L. I. Ignat, J. D. Rossi, From Gaussian estimates for nonlinear evolution equations to the long time behavior of branching processes, PDF

34. Liviu Ignat, Tatiana Ignat, Long time behavior for a nonlocal convection diffusion equation, PDF

33. Liviu I. Ignat, Alejandro Pozo, A splitting method for the augmented Burgers equation, PDF

32. Cristian M. Cazacu, Liviu I. Ignat, Ademir F. Pazoto, Null Controllability of the Kuramoto-Sivashinsky Equation on star-shaped trees, PDF

31. L. Ignat, The Dispersion property for Schrödinger equations, PDF

30. C. Cazacu, L. Ignat, A. Pazoto, On The Asymptotic Behavior of a Subcritical Convection-Diffusion Equation With Nonlocal Diffusion, PDF

29. L. Ignat, A. Pozo, A semi-discrete large-time behavior preserving scheme for the augmented Burgers equation, submitted, PDF

28. Liviu I. Ignat, Tatiana I. Ignat, Denisa Stancu-Dumitru, A COMPACTNESS TOOL FOR THE ANALYSIS OF NONLOCAL EVOLUTION EQUATIONS, accepted in SIAM Journal of Mathematical Analysis, PDF

27. N. Beli, L. Ignat, E. Zuazua, Dispersion for 1-d Scrodinger and wave equation with BV coefficients, accepted in Annales de l'Institut Henri Poincare, PDF

26. V. Banica, L. I. Ignat, Dispersion for the Schr"odinger equation on the line with multiple Dirac delta potentials and on delta trees, Anal. PDE 7 (2014), no. 4, 903–927, PDF

25. Liviu I. Ignat, A. Pozo, E. Zuazua, Large time asymptotics, vanishing viscosity and numericas for 1-D scalar conservation laws, accepted in Math of Comp., PDF

24. Liviu I. Ignat, Ademir Pazoto, Large time behaviour for a nonlocal diffusion - convection equation related with the gas dynamics, DCDS-A, 3575 - 3589, Volume 34, Issue 9, September 2014, PDF

23. LIVIU I. IGNAT, DAMIAN PINASCO, JULIO D. ROSSI AND ANGEL SAN ANTOLIN, DECAY ESTIMATES FOR NONLINEAR NONLOCAL DIFFUSION PROBLEMS IN THE WHOLE SPACE, Journal d'Analyse Mathématique, April 2014, Volume 122, Issue 1, pp 375-401, PDF

22. L. Ignat, E. Zuazua, Asymptotic expansions for anisotropic heat kernels, J. Evol. Equ. 13 (2013), 1–20, PDF

21. L. Ignat, J. D. Rossi, A. San Antolin, Lower and upper bounds for the first eigenvalue of nonlocal diffusion problems in the whole space, Journal of Differential Equations, Volume 252, Issue 12, 15 June 2012, Pages 6429-6447, PDF

20. L. Ignat, E. Zuazua, Convergence rates for dispersive approximation schemes to nonlinear Schr\"odinger equations, J. Math. Pures Appl. (9) 98 (2012), no. 5, 479–517, PDF

19. L. I. Ignat, Ademir Pazoto, Lionel Rosier, Inverse problem for the heat equation and the Schrödinger equation on a tree, Inverse Problems 28 015011, 2012, PDF

18. V. Banica, L. Ignat, Dispersion for the Schrodinger equation on networks, Journal of Mathematical Physics (52), 083703, 2011, PDF

17. L.I. Ignat, D. Stan, Dispersive properties for discrete Schrodinger equations, accepted in J. Fourier Analysis and Applications, PDF

16. L. I. Ignat, A SPLITTING METHOD FOR THE NONLINEAR SCHRODINGER EQUATION,accepted in J. Diff. Eqs., PDF

15. L. I. Ignat, Strichartz estimates for the Schrodinger equation on a tree and applications, accepted SIAM J. Math. Analysis. PDF

14. L. I. Ignat, J. D. Rossi, Asymptotic expansions for nonlocal diffusion equations in $L^q$-norms for $1\leq q\leq 2$. J. Math. Anal. Appl. 362 (2010), no. 1, 190--199, PDF

13. L. I. Ignat, J. D. Rossi, Decay estimates for nonlocal problems via energy methods. J. Math. Pures Appl. (9) 92 (2009), no. 2, 163--187, PDF

12. L. I. Ignat, Zuazua, Enrique, Convergence of a two-grid algorithm for the control of the wave equation. J. Eur. Math. Soc. (JEMS) 11 (2009), no. 2, 351--391.PDF

11. L. I. Ignat, E. Zuazua, Numerical dispersive schemes for the nonlinear Schrödinger equation. SIAM J. Numer. Anal. 47 (2009), no. 2, 1366--1390, PDF

10. L. I. Ignat, J. D. Rossi, Refined asymptotic expansions for nonlocal diffusion equations. J. Evol. Equ. 8 (2008), no. 4, 617--629, PDF

9. L. I. Ignat, J. D. Rossi, Asymptotic behaviour for a nonlocal diffusion equation on a lattice. Z. Angew. Math. Phys. 59 (2008), no. 5, 918--925. PDF

8. L. I. Ignat, J. D. Rossi, A nonlocal convection-diffusion equation. J. Funct. Anal. 251 (2007), no. 2, 399--437. PDF

7. L. I. Ignat, Fully discrete schemes for the Schrödinger equation. Dispersive properties. Math. Models Methods Appl. Sci. 17 (2007), no. 4, 567--591, PDF

6. L.I. Ignat. Global Strichartz estimates for approximations of the Schr ̈odinger equation. Asymptotic Analysis, 52:37–51, 2007, PDF

5. L. I. Ignat, Qualitative properties of a numerical scheme for the heat equation. Numerical mathematics and advanced applications, 593--600, Springer, Berlin, 2006. PDF

4. L. I. Ignat, E. Zuazua, Dispersive properties of numerical schemes for nonlinear Schrödinger equations. Foundations of computational mathematics, Santander 2005, London Math. Soc. Lecture Note Ser., 331, Cambridge Univ. Press, Cambridge, 2006. 181--207, PDF

3. L. I. Ignat, E. Zuazua, A two-grid approximation scheme for nonlinear Schrödinger equations: dispersive properties and convergence. C. R. Math. Acad. Sci. Paris 341 (2005), no. 6, 381--386, PDF

2. L. I. Ignat, E. Zuazua, Dispersive properties of a viscous numerical scheme for the Schrödinger equation. C. R. Math. Acad. Sci. Paris 340 (2005), no. 7, 529--534, PDF

1. Ignat, L.; Lefter, C.; Radulescu, V. D., Minimization of the renormalized energy in the unit ball of $\bold R^2$. Nieuw Arch. Wiskd. (5) 1 (2000), no. 3, 278--280 PDF