Karim Kellay

Karim.Kellay

math.u-bordeaux.fr
+33 5 40 00 37 15
Bureau 380 (IMB)

Publications

K. Kellay, M. E. Yabreb. M. Zarrabi, A lower estimate of an inner function and cyclicity in Bergman spaces.
K. Kellay, M. E. Yabreb, F. Le Manach, M. Zarrabi, Cyclicity in Besov spaces and corona theorem.
A. Baranov, Ph. Jaming, K. Kellay, M. Speckbacher, Carleson measures and Oversampling in model space.
C. Benyamine, K. Kellay, Examples of Dirichlet space multipliers.
O. El-Fallah, K. Kellay, On the zeros of functions in Dirichlet space.
K. Kellay, F. Le Manach, M. Zarrabi, Spans of translates in weighted l ^p spaces . Rev. Mat. Iberoam., to appear
D. Aadi, C. Cruz, A. Hartmann, K. Kellay, Multiple sampling and interpolation in the Bergman spaces. J. Funct. Anal. 284 (9) 2023, 109865 52pp.
K. Esmaeili, K. Kellay, Weighted composition operators on weighted Bergman and DIrichlet spaces. Canad. Math. Bull. 66 (1) 2023 286-302
K. Kellay, T. Normand, M. Tucsnak, Sharp Reachability Results for the Heat Equation in One Space Dimension. Anal. PDE 15 (2022) no 4 891-920.
N. Chalmoukis, A. Hartmann, K. Kellay. B. Wick. Random interpolating sequences in Dirichlet spaces. Int. Math. Res. Not. IMRN, (2022) no 17 13629-13658.
Ph. Jaming, K. Kellay & R. Perez III, On the effect of zero-flipping on the stability of the phase retrieval problem in the Paley Wiener class. Monatsh. Math. 98 (2022), no. 4, 757–776.
H.I. Bahajji. O. El-Fallah, K. Kellay, Havin-Mazya uniqueness theorem for Dirichlet space. Bull. Sci. Math. 168 (2021), 102967, 14 pp.
Ph. Jaming, K. Kellay & R. Perez III, Phase Retrieval for Wide Band Signals. J. Fourier Anal. Appl. 26 (2020), no. 4. Paper No. 54, 21 pp.
A. Hartmann, K. Kellay, M. Tucsnak, From the reachable space of the heat equation to Hilbert spaces of holomorphic functions. J. Eur. Math. Soc. (JEMS) 22 (2020), no.10, 3417-3340.
K. Kellay. F. Le Manach, M. Zarrabi, Cyclicity in Dirichlet type spaces, Complex Analysis and Spectral Theory, 181-193, Contemp. Math.,734 Amer. Math. Soc., Providence RI 2020
K. Kellay. Y. Omari, Riesz bases of reproducing kernels in the small Fock spaces, J. Fourier Anal. Appl. 26 (2020), no 1. Paper No. 17, 29 pp.
O. El-Fallah, K. Kellay, Interpolation with functions in the analytic Wiener algebras. Linear and Multilinear Algebra and Function Spaces, 9-18, Contemp.Math.,750 Amer. Math. Soc., Providence RI 2020
Ph. Jaming, K. Kellay & R. Perez III, Phase Retrieval for Wide Band Signals. IEEE 2019 13th International conference on Sampling Theory and Applications (SampTA), 2019, pp. 1-4
A. Hartmann, P. Jaming, K. Kellay, Quantitative estimates of sampling constants in model spaces. Amer. J. Math. 142 (2020) no.4, 1301-1326
O. El-Fallah, Y. Elmadani, K. Kellay, Kernel estimate and capacity in Dirichlet space, J. Funct. Anal. 276, No.3 867-895 (2019)
P. Jaming, K. Kellay, A dynamical system approach to Heisenberg uniqueness pairs. J. Anal. Math. 134, 273-301 (2018)
A. Hartmann, P. Jaming, K. Kellay, S. Kupin, G. Pisier, D. Timotin & M. Zarrabi (Editors) Harmonic Analysis, Function Theory, Operator Theory, and Their Applications: Conference Proceedings, Bordeaux, June 1-4, 2015 Theta Foundation International Book Series of Mathematical Texts 22, 2018
A. Borichev, A. Hartmann, K. Kellay, X. Massaneda, Geometric conditions for multiple sampling and interpolation in the Fock space, Adv. Math. 304, 1262-1295 (2017)
E. Abakoumov, O. El-Fallah, K. Kellay, T. Ransford, Cyclicity in the harmonic Dirichlet space, Harmonic Analysis,Function Theory, Operator Theory and Their Applications. Theta Foundation International Book Series of Mathematical Texts 22, 1-11 (2017)
A. Baranov, A. Hartmann, K. Kellay, Geometry of reproducing kernel in model spaces near the boundary, J. Math. Anal. Appl. 447, No 2, 971-987 (2017)
O. El-Fallah, Y. Elmadani, K. Kellay, Cyclicity and invariant subspaces in The Dirichlet space. J. Funct. Anal. 270, No. 9, 3262-3279 (2016).
O. El-Fallah, E. Fricain, K. Kellay, J. Mashreghi, T. Ransford, Constructive approximation in de Branges-Rovnyak spaces. Constr. Approx., 44, No. 2, 269-281 (2016).
A. Borichev, A. Hartmann, K. Kellay, X. Massaneda, Multiple sampling and interpolation in the classical Fock space, Zap. Nauchn. Semin. POMI 434, 53-56 (2015). J. Math. Sci. 215 No. 5, 574-577 (2016).
O. El-Fallah, K. Kellay, H. Klaja, J. Mashreghi, T. Ransford, Dirichlet spaces with superharmonic weights and de Branges-Rovnyak spaces . Complex Anal. Oper. Theory 10, No. 1, 97-107 (2016).
O. El-Fallah, K. Kellay, Nevanlinna counting function and pull back measur e. Proc. Am. Math. Soc. 144, No. 6, 2559-2564 (2016).
K. Kellay, M. Zarrabi, Two-isometries in the de Branges-Rovnyak spaces. Complex Anal. Oper. Theory 9, No. 6, 1325-1335 (2015).
A. Baranov, A. Dumont, A. Hartmann, K. Kellay, Sampling, interpolation and Riesz bases in the small Fock spaces. J. Math. Pures Appl. (9) 103, No. 6, 1358-1389 (2015).
H. Benazouz; O. El-Fallah; K. Kellay, H. Mahzouli, Contact points and Schatten composition operators. Math. Z. 279, No. 1-2, 407-422 (2015).
O. El-Fallah, K. Kellay, J. Mashreghi, T. Ransford, One-box conditions for Carleson measures for the Dirichlet space. Proc. Am. Math. Soc. 143, No. 2, 679-684 (2015).
A. Dumont, K. Kellay, Convergence of Lagrange interpolation series in the Fock spaces. Publ. Mat. 58, No. 1, 121-132 (2014).
O. El-Fallah, K .Kellay, J. Mashreghi, T. Ransford A primer on the Dirichlet spaces. Cambridge Tracts in Mathematics 203. (2014).
K. Kellay, Composition operators on analytic weighted Hilbert space. Topics in Functional and Harmonic Analysis. Theta Series in Advanced Mathematics. 69-76 (2013).
O. El-Fallah, K. Kellay, J. Mashreghi, T. Ransford, A Self-contained proof of the strong-type capacitary inequality for the Dirichlet space. Complex analysis and potential theory. Providence, RI: American Mathematical Society (AMS). CRM Proceedings and Lecture Notes 55, 1-20 (2012).
K. Kellay, P. Lefèvre, Compact composition operators on weighted Hilbert spaces of analytic functions. J. Math. Anal. Appl. 386, No. 2, 718-727 (2012).
K. Kellay, J. Mashreghi, On zero sets in the Dirichlet space. J. Geom. Anal. 22, No. 4, 1055-1070 (2012).
O. El-Fallah, K. Kellay, K. Seip, Cyclicity of singular inner functions from the corona theorem. J. Inst. Math. Jussieu 11, No. 4, 815-824 (2012).
K. Kellay, Poincaré type inequality for Dirichlet spaces and application to the uniqueness set. Math. Scand. 108, No. 1, 103-114 (2011).
O. El-Fallah, K. Kellay, M. Shabankhan, H. Youssfi, Level sets and composition operators on the Dirichlet space. J. Funct. Anal. 260, 1721-1733 (2011).
O. El-Fallah, K. Kellay, T. Ransford, Cantor sets and cyclicity in weighted Dirichlet spaces. J. Math. Anal. Appl. 372, No. 2, 565-573 (2010).
O. El-Fallah, K. Kellay, T. Ransford, Invariant subspaces in the Dirichlet space. Hilbert spaces of analytic functions. Providence, RI: American Mathematical Society (AMS). CRM Proceedings and Lecture Notes 51, 133-141 (2010).
B. Bouya, O. El-Fallah, K. Kellay, Idéaux fermés d'algèbres de Beurling analytiques sur le bidisque. Bull. Sci. Math. 134, No. 6, 588-604 (2010).
K. Kellay, M. Zarrabi, Compact operators that commute with a contraction. Integral Equations Oper. Theory 65, No. 4, 543-550 (2009).
O. El-Fallah, K. Kellay, T. Ransford, On the Brown-Shields conjecture for the cyclicity in the Dirichlet space. Adv. Math. 222, No. 6, 2196-2214 (2009).
C. Agrafeuil, K. Kellay, Tauberien type theorem for operators with interpolation spectrum. Proc. Am. Math. Soc. 136, No. 7, 2477-2482 (2008).
A. Borichev, R. Dhuez, K. Kellay, Sampling and interpolation in large Bergman and Fock spaces. J. Funct. Anal. 242, No. 2, 563-606 (2007).
O. El-Fallah, K. Kellay, T. Ransford, Cyclicity in the Dirichlet space. Ark. Mat. 44, No. 1, 61-86 (2006).
A. Bourhim, O. El-Fallah, K. Kellay, Boundary behaviour of functions of Nevanlinna class. Indiana Univ. Math. J. 53, No. 2, 347-395 (2004).
K. Kellay, M. Zarrabi, Normality, non-quasianalyticity and invariant subspaces. J. Oper. Theory 46, No.2, 221-250 (2001).
K. Kellay, Fonctions intérieures et vecteurs bicycliques. Arch. Math. 77, No.3, 253-264 (2001).
A. Bourhim, O. El-Fallah, K. Kellay, Comportement radial des fonctions de la classe de Nevanlinna. C.R.Acad.Sci., Paris,Sér.I, Math. 333, 529-532 (2001).
I. Chalendar, K. Kellay, T. Ransford, Binomial sums,moment and invariant subspaces . Israel J. Math. 115, 303-320 (2000).
K. Kellay, M. Zarrabi, Classes de fonctions non-quasianalytiques et sous-espaces invariants. C.R.Acad.Sci.,Paris,Sér.I,Math. 327, 793-796 (1998).
O. El-Fallah, K. Kellay, Sous-espaces biinvariants pour certains shifts pondérés. Ann. Inst. Fourier 48, No.5, 1543-1558 (1998).
K. Kellay, Existence de sous-espaces hyperinvariants. Glasg. Math. J. 40, No.1, 133-141 (1998).
K. Kellay, Contractions et hyperdistributions à spectre de Carleson. J. Lond. Math. Soc., II. Ser. 58, No.1, 185-196 (1998).