Joaquin Ortega Cerda

Joaquin Ortega Cerda

Full professor

ORCID: 0000-0002-6616-4257
Scopus Author ID: 6603123795
Researcher ID: J-6301-2014
Knowledge area: Anàlisi Matemàtica

Research group: Teoria de Funcions i Equacions en Derivades Parcials

Contact Information
Department of Mathematics and Computer Science
Gran Via de les Corts 585
934035747
jortega(a)ub.edu

My profile

I did my thesis in Mathematics at the Universitat Autònoma de Barcelona. I was a postdoc researcher in the University of Wisconsin at Madison in 1995 where I returned as a visiting professor during ... + info

Academic training

Matemàtiques . Universitat Autònoma de Barcelona . 1995 . (Ph.D.)
Matemàtiques . Universitat de Barcelona . 1991 . (Diploma / Degree / Activities)

Relevant publications (Journal Publications and Other publications - last 10 years)

Frédéric Bayart; Ole Fredrik Brevig; Antti Haimi; Joaquim Ortega-Cerdà; Karl-Mikael Perfekt. (2019). Contractive inequalitie for Bergman spaces and multiplicative Hankel forms. Transactions of the American Mathematical Society, 371(1), pp. 681 - 707 . Institutional Repository . ISSN: 0002-9947
Berman, R.; Ortega-Cerdà, J. (2018). Sampling of real multivariate polynomials and pluripotential theory. American Journal of Mathematics, 140(3), pp. 789 - 820 . Institutional Repository . ISSN: 0002-9327
Lev, N.; Ortega-Cerdà, J. (2016). Equidistribution estimates for Fekete points on complex manifolds. Journal of the European Mathematical Society, 18(2), pp. 425 - 464 . Institutional Repository . ISSN: 1435-9855
Beltran, C; Marzo, J.; Ortega-Cerdà, J. (2016). Energy and discrepancy of rotationally invariant determinantal point processes in high dimensional spheres. Journal of Complexity, 37, pp. 76 - 109 . Institutional Repository . ISSN: 0885-064X
Groechenig, K.; Ortega-Cerda, J.; Romero, J.L. (2015). Deformation of Gabor systems. Advances in Mathematics, 277, pp. 388 - 425 . Institutional Repository . ISSN: 0001-8708
Ole Brevig; Joaquim Ortega-Cerdà; Kristian Seip (2021). Idempotent Fourier multipliers acting contractively on H^p spaces. Geometric and Functional Analysis, 31(6), pp. 1377 - 1413 . Institutional Repository . ISSN: 1016-443X
Carlos Beltrán; Ujué Etayo; Jordi Marzo; Joaquim Ortega Cerdà (2021). A sequence of polynomials with optimal condition number. Journal of the American Mathematical Society, 34(1), pp. 219 - 244 . Institutional Repository . ISSN: 0894-0347
María Angeles García-Ferrero; Joaquim Ortega-Cerdà (2025). Stability of the concentration inequality on polynomials. Communications in Mathematical Physics, 406 . Institutional Repository . ISSN: 0010-3616
Marzo J., Levi M., Ortega-Cerdà J. (2024). Linear statistics of determinantal point processes and norm representations. International Mathematics Research Notices, 2024(19), pp. 12869 - 12903 . Institutional Repository . ISSN: 1073-7928
Brevig, O.; Ortega-Cerdà, J.; Seip, K. (2023). Hilbert points in Hardy spaces. St Petersburg Mathematical Journal, 34(3), pp. 405 - 425 . Institutional Repository . ISSN: 1061-0022
Ole Fredrik Brevig; Andrés Chirre; Joaquim Ortega-Cerdà; Kristian Seip (2024). Point evaluation in Paley-Wiener spaces. Journal d'Analyse Mathematique, 153, pp. 595 - 670 . Institutional Repository . ISSN: 0021-7670
Karlheinz Groechenig; Joaquim Ortega-Cerdà (2022). Marcinkiewicz-Zygmund inequalities for polynomials in Fock space. Mathematische Zeitschrift . Institutional Repository . ISSN: 0025-5874
J. Antezana, J. Marzo, J. Ortega-Cerdà (2021). Necessary conditions for interpolation by multivariate polynomials. Computational Methods And Function Theory, 21(4), pp. 831 - 849 . Institutional Repository . ISSN: 1617-9447
Karlheinz Groechenig; Joaquim Ortega-Cerdà (2021). Marcinkiewicz-Zygmund Inequalities for Polynomials in Bergmann and Hardy Spaces. Journal of Geometric Analysis, 31, pp. 7595 - 7619 . Institutional Repository . ISSN: 1050-6926
Brevig, O.; Ortega-Cerdà, J.; Seip, K. (2021). A converse to the Schwarz lemma for planar harmonic maps. Journal of Mathematical Analysis and Applications, 497(2) . Institutional Repository . ISSN: 0022-247X
Bos, L.; Levenberg, N.; Ortega-Cerdà, J. (2020). Optimal Polynomial Prediction Measures and Extremal Polynomial Growth. Constructive Approximation, 54(3), pp. 431 - 453 . Institutional Repository . ISSN: 0176-4276
Carroll, T; Massaneda, X; Ortega-Cerdà, J. (2020). An enhanced uncertainty principle for the Vaserstein distance. Bulletin of the London Mathematical Society, 52(6), pp. 1158 - 1173 . Institutional Repository . ISSN: 0024-6093
Gröchenig, K.; Haimi, A.; Ortega-Cerdà, J.; Romero, J.L. (2019). Strict density inequalities for sampling and interpolation in weighted spaces of holomorphic functions. Journal of Functional Analysis, 277(12) . Institutional Repository . ISSN: 0022-1236
Brevig O. F.; J. Ortega-Cerdà, J.; Seip, K.; Zhao J. (2018). Contractive inequalities for Hardy spaces. Functiones et Approximatio, Commentarii Mathematici, 59(1), pp. 41 - 56 . Institutional Repository . ISSN: 0208-6573
Ujué Etayo; Jordi Marzo; Joaquim Ortega-Cerdà. (2018). Asymptotically optimal designs on compact algebraic manifolds. Monatshefte für Mathematik, 186(2), pp. 235 - 248 . Institutional Repository . ISSN: 0026-9255
Marzo, J.; Ortega-Cerdà, J. (2018). Expected Riesz Energy of Some Determinantal Processes on Flat Tori. Constructive Approximation, 47(1), pp. 75 - 88 . Institutional Repository . ISSN: 0176-4276
Carroll, T.; Marzo, J.; Massaneda, X.; Ortega-Cerdà, J. (2018). Equidistribution and β-ensembles. Annales de la Faculté des Sciences de Toulouse, 27(2), pp. 377 - 387 . Institutional Repository . ISSN: 0240-2963
Marzo, J.; Ortega-Cerdà, J. (2015). Uniformly bounded orthonormal polynomials on the sphere . Bulletin of the London Mathematical Society, 47(5), pp. 883 - 891 . Institutional Repository . ISSN: 0024-6093
Aleksei Kulikov; Fabio Nicola; Joaquim Ortega-Cerdà; Paolo Tilli (2025). A monotonicity theorem for subharmonic functions on manifolds. Advances in Mathematics . ISSN: 0001-8708

Conferences and Participations in Congresses (last 10 years)

Joaquim Ortega (2025). The Hörmander-Bernhardsson extremal function. (Invited conference) . Constructive Functions 2025 . Nashville . UNITED STATES
Joaquim Ortega (2025). The Hörmander-Bernhardsson extremal function. (Invited conference) . LMS Harmonic analysis and PDE network meeting . Cork . IRELAND
Joaquim Ortega (2024). Linear statistics of determinantal point processes and norm representations. (Invited conference) . AMS-UMI International -Joint Meeting 2024 . Palermo . ITALY
Joaquim Ortega Cerdà (2024). Extremal properties of reproducing kernels. (Invited conference) . ACOTCA 2024 . La laguna . SPAIN
Joaquim Ortega (2023). Hypercontractive inequalities of complex polynomials. (Invited conference) . Holomorphic Day 2023 . null . Copenhagen . DENMARK
Joaquim Ortega Cerdà (2022). Desigualdades hipercontractivas de polinomios. (Invited conference) . Dos dias sobre polinomiso D2PO . Granada . SPAIN
Joaquim Ortega Cerdà (2022). Contractive idempotent Fourier multipliers and Hilbert points in the Hardy space. (Invited conference) . Applied Harmonic Analysis and Friends . Strobl . AUSTRIA
Joaquim Ortega Cerdà (2022). Concentration inequalities. (Invited conference) . Complex and Fourier Analysis, and Operator Theory 2 . Roma . ITALY
Joaquim Ortega Cerdà (2022). Contractive projections in H^p spaces. (Invited conference) . Excursions in Analysis . Trondheim . NORWAY
Joaquim Ortega Cerdà (2021). Optimal polynomial prediction. (Invited conference) . Analysis of Monge-Ampère, a tribute to Ahmed Zeriahi . Toulouse . FRANCE
Joaquim Ortega Cerdà (2021). Strict density inequalities for sampling and interpolation sets in weighted spaces of holomorphic functions. (Invited conference) . MiniSymposium of the 8 European Congress of Mathematics . Portroz . SLOVENIA
Joaquim Ortega Cerdà (2021). Idempotent Fourier multipliers acting contractively on Hardy spaces. (Invited conference) . Dirichlet Series and Operator Theory . Oslo . NORWAY
Joaquim Ortega Cerdà (2019). A sequence of polynomials with optimal condition number. (Invited conference) . Operator related Function Theory . Viena . AUSTRIA
Joaquim Ortega Cerdà (2019). A sequence of well-conditioned polynomials. (Invited conference) . Explorations in Harmonic Analysis and other realms . TelAviv . ISRAEL
Joaquim Ortega Cerdà (2019). Interpolating real polynomials. (Invited conference) . One-Dimensional Complex Analysis and Operator Theory . St. Petersbourg . RUSSIAN FEDERATION
Joaquim Ortega Cerdà (2018). Interpolating sequences by polynomials. (Invited conference) . Frame Theory and Exponential Bases at ICERM . Providence . UNITED STATES
Joaquim Ortega Cerdà (2018). Interpolating sequences by polinomials. (Invited conference) . BCAM meeting on sampling, uncertainty principles, and combinatorial methods in harmonic analysis, 15-17 January 2018, BCAM, Bilbao . Bilbao . SPAIN
Joaquim Ortega Cerdà (2016). Sampling real polynomials. (Invited conference) . 7th European Congress of Mathematics . Berlin . GERMANY
Joaquim Ortega Cerdà (2021). Strict density inequalities for sampling and interpolation sets in weighted spaces of holomorphic functions. (Invited conference) . Discretization and related questions . Moscu . RUSSIAN FEDERATION
Joaquim Ortega Cerdà (2019). A sequence of well-conditioned polynomials. (Invited conference) . Approximation, sampling, and compression in high dimensional problems at the Newton Institute . Cambridge . UNITED KINGDOM