Suchergebnisse - "Fragnelli, Genni"

Boundary observability and null-controllability for non-autonomous degenerate hyperbolic equations via energy estimates.

Autoren: Akil, Mohammad Fragnelli, Genni Ismail, Sarah

Quelle: Journal of Evolution Equations; Dec2025, Vol. 25 Issue 4, p1-31, 31p

Linear stabilization for a degenerate wave equation in non divergence form with drift.

Autoren: Fragnelli, Genni Mugnai, Dimitri

Quelle: Bulletin of Mathematical Sciences (World Scientific); Aug2025, Vol. 15 Issue 2, p1-27, 27p

Schlagwörter: CAUCHY problem, WAVE equation, DAMPING (Mechanics), DIRICHLET problem, EXPONENTIAL decay law

Stabilization for degenerate equations with drift and small singular term.

Autoren: Fragnelli, Genni Mugnai, Dimitri Sbai, Amine

Quelle: Mathematical Methods in the Applied Sciences; 3/15/2025, Vol. 48 Issue 4, p5086-5109, 24p

Schlagwörter: WAVE equation, CAUCHY problem, EQUATIONS

Exponential Stabilization of an Euler-Bernoulli Beam by a Heat Equation Involving Memory Effects.

Autoren: Akil, Mohammad Fragnelli, Genni Ismail, Sarah et al.

Quelle: Asymptotic Analysis; Mar2025, Vol. 141 Issue 3, p157-177, 21p

Schlagwörter: PARTIAL differential equations, HEAT conduction, EXPONENTIAL stability, MEMORY

Exponential Stability for a Degenerate/Singular Beam-Type Equation in Non-Divergence Form.

Autoren: Akil, Mohammad Fragnelli, Genni Sbai, Amine

Quelle: Axioms (2075-1680); Mar2025, Vol. 14 Issue 3, p159, 22p

Schlagwörter: EXPONENTIAL stability, WAVE equation, ENERGY consumption, EQUATIONS

Asymptotic behavior of the equivalent Timoshenko linear beam model used in the analysis of tower buildings.

Autoren: Akil, Mohammad Dell'Oro, Filippo Fragnelli, Genni et al.

Quelle: Zeitschrift für Angewandte Mathematik und Physik (ZAMP); Feb2025, Vol. 76 Issue 1, p1-40, 40p

Schlagwörter: SKYSCRAPERS, EXPONENTIAL stability, THREE-dimensional modeling, POLYNOMIALS

The energy decay rate of a transmission system governed by the degenerate wave equation with drift and under heat conduction with the memory effect.

Autoren: Akil, Mohammad Fragnelli, Genni Issa, Ibtissam

Quelle: Mathematische Nachrichten; Oct2024, Vol. 297 Issue 10, p3766-3796, 31p

Schlagwörter: HEAT conduction, WAVE equation, EXPONENTIAL stability, HEAT equation, POLYNOMIALS

N. Lerner: "Carleman Inequalities": Springer, 2019, xxvii+557 pp.

Autoren: Fragnelli, Genni

Quelle: Jahresbericht der Deutschen Mathematiker-Vereinigung; Dec2021, Vol. 123 Issue 4, p285-292, 8p

Boundary controllability for a degenerate beam equation.

Autoren: Camasta, Alessandro Fragnelli, Genni

Quelle: Mathematical Methods in the Applied Sciences; 1/30/2024, Vol. 47 Issue 2, p907-927, 21p

Schlagwörter: EQUATIONS, CONTROLLABILITY in systems engineering, BESSEL beams

A STABILITY RESULT FOR A DEGENERATE BEAM EQUATION.

Autoren: CAMASTA, ALESSANDRO FRAGNELLI, GENNI

Quelle: SIAM Journal on Control & Optimization; 2024, Vol. 62 Issue 1, p630-649, 20p

Schlagwörter: EQUATIONS

On a general degenerate/singular parabolic equation with a nonlocal space term.

Autoren: Allal, Brahim Fragnelli, Genni Salhi, Jawad

Quelle: Mathematical Methods in the Applied Sciences; Aug2023, Vol. 46 Issue 12, p12473-12504, 32p

Schlagwörter: DEGENERATE parabolic equations, CARLEMAN theorem, HEAT equation, EQUATIONS

BOUNDARY CONTROLLABILITY FOR A DEGENERATE WAVE EQUATION IN NONDIVERGENCE FORM WITH DRIFT.

Autoren: BOUTAAYAMOU, IDRISS FRAGNELLI, GENNI MUGNAI, DIMITRI

Quelle: SIAM Journal on Control & Optimization; 2023, Vol. 61 Issue 4, p1934-1954, 21p

Schlagwörter: CAUCHY problem, CONTROLLABILITY in systems engineering, WAVE equation

Null Controllability for a Degenerate Population Equation with Memory.

Autoren: Allal, Brahim Fragnelli, Genni Salhi, Jawad

Quelle: Applied Mathematics & Optimization; Dec2022, Vol. 86 Issue 3, p1-44, 44p

Controllability for degenerate/singular parabolic systems involving memory terms.

Autoren: Allal, Brahim Fragnelli, Genni Salhi*, Jawad

Quelle: Discrete & Continuous Dynamical Systems - Series S; Dec2022, Vol. 15 Issue 12, p1-36, 36p

Schlagwörter: CONTROLLABILITY in systems engineering, DEGENERATE parabolic equations, MEMORY

Controllability for a degenerate cascade system

Autoren: Boutaayamou, Idriss Fragnelli, Genni

Schlagwörter: Mathematics - Analysis of PDEs, FOS: Mathematics, 0101 mathematics, 01 natural sciences, Analysis of PDEs (math.AP)

Zugangs-URL: http://arxiv.org/abs/1907.11160

Carleman Estimates and Controllability for a Degenerate Structured Population Model.

Autoren: Fragnelli, Genni Yamamoto, Masahiro

Quelle: Applied Mathematics & Optimization; Aug2021, Vol. 84 Issue 1, p999-1044, 46p

Schlagwörter: CARLEMAN theorem, OBSERVABILITY (Control theory), DIFFUSION coefficients

Null controllability of degenerate parabolic equation with memory.

Autoren: Allal, Brahim Fragnelli, Genni

Quelle: Mathematical Methods in the Applied Sciences; Jul2021, Vol. 44 Issue 11, p9163-9190, 28p

Schlagwörter: CARLEMAN theorem, DEGENERATE parabolic equations, HEAT equation, MEMORY

Corrigendum and improvements to ''Carleman estimates, observability inequalities and null controllability for interior degenerate non smooth parabolic equations'', and its consequences.

Autoren: Fragnelli, Genni Mugnai, Dimitri

Quelle: Memoirs of the American Mathematical Society; 7/10/2021, Vol. 272 Issue 1332, p1-32, 32p

Classical solutions for partial functional differential equations with nonautonomous past

Autoren: FRAGNELLI, Genni Fragnelli, Genni

Weitere Verfasser: FRAGNELLI, Genni Fragnelli, Genni

Quelle: Archiv der Mathematik. 79:479-488

Schlagwörter: classical solution, One-parameter semigroups and linear evolution equations, Applications of operator theory to differential and integral equations, Linear functional-differential equations, partial functional differential equation, Partial functional-differential equations, backward evolution semigroup, 0101 mathematics, 01 natural sciences

Dateibeschreibung: application/xml

Zugangs-URL: https://ricerca.uniba.it/handle/11586/44786
https://link.springer.com/article/10.1007/BF02638385

CONTROLLABILITY OF DEGENERATE AND SINGULAR PARABOLIC PROBLEMS: THE DOUBLE STRONG CASE WITH NEUMANN BOUNDARY CONDITIONS.

Autoren: Fragnelli, Genni Mugnai, Dimitri

Quelle: Opuscula Mathematica; 2019, Vol. 39 Issue 2, p207-225, 19p

Schlagwörter: NEUMANN boundary conditions, DIRICHLET problem, ELLIPTIC equations, FINITE element method, QUASILINEARIZATION, LIPSCHITZ spaces