All Stories

  1. Fractional differential equations with anti-periodic fractional integral boundary conditions via the generalized proportional fractional derivatives

    Article • January 2022, American Institute of Physics

    Prof nezhana Hristova

  2. Nonlinear implicit differential equations of fractional order at resonance

    Article • January 2022, American Institute of Physics

    Prof nezhana Hristova

  3. Neutral delay non-instantaneous impulsive differential equations and closeness of solutions over a finite time interval

    Article • January 2022, American Institute of Physics

    Prof nezhana Hristova

  4. Finite time Lipschitz stability for neutral impulsive Riemann–Liouville fractional differential equations

    Article • January 2022, American Institute of Physics

    Prof nezhana Hristova

  5. Finite time stability of systems of Riemann-Liouville fractional differential equations with a constant delay

    Article • January 2021, American Institute of Physics

    Prof nezhana Hristova

  6. On the stability properties of retarded Volterra integro-fractional differential equations with Caputo derivative

    Article • January 2021, American Institute of Physics

    Prof nezhana Hristova

  7. Nonlocal problem for functional evolution inclusions

    Article • January 2021, American Institute of Physics

    Prof nezhana Hristova

  8. Practical stability of differential equations with supremum and non-instantaneous impulses

    Article • January 2021, American Institute of Physics

    Prof nezhana Hristova

  9. Stability with two measures for differential equations with supremum and non-instantaneous impulses

    Article • January 2021, American Institute of Physics

    Prof nezhana Hristova, Antonia Dobreva

  10. Scalar linear impulsive Riemann-Liouville fractional differential equations with constant delay-explicit solutions and finite time stability

    Article • Demonstratio Mathematica, July 2020, De Gruyter

    Prof nezhana Hristova

  11. Iterative techniques with computer realization for initial value problems for Riemann–Liouville fractional differential equations

    Article • Journal of Applied Analysis, January 2020, De Gruyter

    Ravi Agarwal, Prof nezhana Hristova

  12. Mittag-Leffler stability for non-instantaneous impulsive Caputo fractional differential equations with delays

    Article • Mathematica Slovaca, June 2019, De Gruyter

    Prof nezhana Hristova, Ravi Agarwal

  13. Ulam type stability of non-instantaneous impulsive Riemann-Liouville fractional differential equations(changed lower bound of the fractional derivative)

    Article • January 2019, American Institute of Physics

    Prof nezhana Hristova

  14. Stability of non-instantaneous impulsive differential equations with supremum

    Article • January 2019, American Institute of Physics

    Prof nezhana Hristova

  15. Existence results for Riemann-Liouville fractional differential equations with non-instantaneous impulses (fractional derivative with fixed lower bound at the initial time)

    Article • January 2019, American Institute of Physics

    Prof nezhana Hristova

  16. Stability of neural networks with non-instantaneous impulses and supremum

    Article • January 2019, American Institute of Physics

    Prof nezhana Hristova

  17. Differential equations with random Gamma distributed moments of non-instantaneous impulses and p-moment exponential stability

    Article • Demonstratio Mathematica, August 2018, De Gruyter

    Prof nezhana Hristova

  18. Some stability properties related to initial time difference for Caputo fractional differential equations

    Article • Fractional Calculus and Applied Analysis, February 2018, De Gruyter

    Ravi Agarwal, Prof nezhana Hristova

  19. Strict stability with respect to initial time difference for Caputo fractional differential equations by Lyapunov functions

    Article • Georgian Mathematical Journal, January 2017, De Gruyter

    Prof nezhana Hristova, Ravi Agarwal

  20. Non-instantaneous impulses in Caputo fractional differential equations

    Article • Fractional Calculus and Applied Analysis, January 2017, De Gruyter

    Prof nezhana Hristova, Ravi Agarwal

  21. A survey of Lyapunov functions, stability and impulsive Caputo fractional differential equations

    Article • Fractional Calculus and Applied Analysis, January 2016, De Gruyter

    Prof nezhana Hristova, Ravi Agarwal