Membership
Profiles
Research Subjects
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Approximation Theory, Orthogonal Polynomials and Special Functions
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Numerical Analysis
Recent Research Projects
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Unit of Excelence «María de Maeztu» IMAG, CEX2020-001105-M. Centers and Units of Excellence. Ministry of Science, Innovation and Universities of Spain. Coordinator Joaquín Pérez Muñoz (UGR). Duration: from 2022 to 2025.
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GOYA - Group on Orthogonality and Applications,
FQM-384
Research Group supported by Junta de Andalucía (Spain). Coordinator:
Lidia Fernández (UGR). Duration: from 07/03/2017.
Publications
2021-2025
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S. Barbero, A. M. Delgado, L. Fernández, T. E. Pérez,
Symmetry Structure of Starbust.
(preprint)
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C. F. Bracciali, G. S. Costa, T. E. Pérez,
Centrosymmetric and reverse matrices in bivariate orthogonal polynomials.
(submitted)
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A. Branquinho, A. M. Delgado, T. E. Pérez,
Connections between Simplex and generalized Ball Orthogonal Polynomials.
(submitted)
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A. Branquinho, A. Foulquié, T. E. Pérez, M. A. Piñar,
Lax-type pairs in the theory of bivariate orthogonal
polynomials.
(submitted)
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D. Lara-Velasco, T. E. Pérez,
Bernstein-type operators preserving derivatives.
(submitted)
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L. Fernández, F. Marcellán, T. E. Pérez, M. A. Piñar,
Sobolev orthogonal polynomials for solving the
Schrödinger equation with potentials V(x) = x^{2k}, k > 1.
(accepted)
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L. Fernández, F. Marcellán, T. E. Pérez, M. A. Piñar,
Sobolev orthogonal polynomials and spectral methods in boundary value problems.
Appl. Numer. Math.
(accepted)
Open Access
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A. Branquinho, A. Foulquié, T. E. Pérez,
Quadratic decomposition of bivariate orthogonal polynomials.
Medit. J. Math.
20 (2023), no. 3, 118.
Open Access
MR4549895
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M. E. Marriaga, T. E. Pérez, M. A. Piñar, M. J. Recarte,
Approximation via gradients on the ball. The Zernike case.
J. Comput. Appl. Math.
430 (2023), Paper No. 115258
Open Access
MR4577313
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M. E. Marriaga, T. E. Pérez, M. J. Recarte,
Simultaneous approximation via laplacians on the unit ball.
Medit. J. Math.
20 (2023), Article Number 316.
Open Access
MR4655120
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M. J. Recarte, M. E. Marriaga, T. E. Pérez,
A class of Bernstein-type operators on the unit disk.
Bull. Malays. Math. Sci. Soc.
46 (2023), no. 4, 127.
Open Access
MR4596003
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R. Aktas, I. Area, T. E. Pérez,
Three term relations for multivariate Uvarov orthogonal polynomials.
Comput. Appl. Math.
41 (2022), Article number: 330.
Open Access
MR4491185
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C. F. Bracciali, G. S. Costa, T. E. Pérez,
Two variable Freud orthogonal polynomials and matrix Painlevé-type difference equations.
J. Differ. Equ. Appl.
28 (2022) 1157-1177.
arXiv
MR4502152
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C. F. Bracciali, T. E. Pérez,
Mixed orthogonality on the unit ball.
Comput. Appl. Math.
40 (2021), no. 8, Paper No. 274.
MR4325900
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F. Lizarte, T. E. Pérez, M. A. Piñar,
The radial part of a class of Sobolev polynomials on the unit ball.
Numer. Algorithms
87 (2021), no. 4, 1369-1389.
MR4287895
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M. Marriaga, T. E. Pérez, M. A. Piñar,
Bivariate Koornwinder-Sobolev orthogonal polynomials.
Mediterr. J. Math.
18 (2021), no. 6, 234.
MR4320531
2016-2020
- F. Marcellán, M. E. Marriaga, T. E. Pérez, M. A. Piñar,
Geronimus transformations of bivariate linear functionals.
J. Math. Anal. Appl. 484 (2020), 123736, 30 pp.
MR4040130
- F. Marcellán, M. E. Marriaga, T. E. Pérez, M. A. Piñar,
Coherent pairs of bivariate orthogonal polynomilas
J. Approx. Theory 245 (2019), 40-63.
MR3945603
- A. M. Delgado, L. Fernández, T. E. Pérez,
Fourth order partial differential equations for Krall-type orthogonal polynomials on the triangle.
Proc. Amer. Math. Soc.
146 (2018), 3961-3974.
MR3825849
- F. Marcellán, M. Marriaga, T. E. Pérez, M. A. Piñar,
On bivariate classical orthogonal polynomials.
Appl. Math. Comput.
325 (2018), 340-357.
MR3759149
- F. Marcellán, M. Marriaga, T. E. Pérez, M. A. Piñar,
Matrix Pearson equations satisfied by Koornwinder weights in two variables.
Acta Appl. Math.
153 (2018), 81-100.
MR3745731
- C. F. Bracciali, T. E. Pérez,
Bivariate orthogonal polynomials, 2D Toda lattices and Lax-type pairs.
Appl. Math. Comput.
309 (2017), 142-155.
MR3646384
- M. Marriaga, T. E. Pérez, M. A. Piñar,
Three term relations for a class of bivariate polynomials.
Medit. J. Math.
14 (2017), no. 2, Art. 54, 26 pp.
MR3619416
- C. F. Bracciali, J. H. McCabe, T. E. Pérez, A. Sri Ranga,
A class of orthogonal functions given by a three term recurrence formula.
Math. Comp.
85 (2016), 1837-1859.
MR3471110
- A. M. Delgado, L. Fernández, D. S. Lubinsky, T. E. Pérez, M. A. Piñar,
Sobolev orthogonal polynomials on the unit ball via outward derivatives.
J. Math. Anal. Appl.
440 (2016), 716-740.
MR3484991
- A. M. Delgado, L. Fernández, T. E. Pérez, M. A. Piñar,
Multivariate orthogonal polynomials and modified moment functionals.
SIGMA Symmetry Integrability Geom. Methods Appl.
12 (2016), paper no. 090, 25 pp.
MR3545477
2011-2015
- L. Fernández, F. Marcellán, T. E. Pérez, M. Piñar, Y. Xu, Sobolev orthogonal polynomials on product domains. J. Comput. Appl. Math. 284 (2015), 202-215
MR3319504
- M. Alfaro, A. Peña, T. E. Pérez, M. L. Rezola, On linearly related orthogonal polynomials in several variables. Numer. Algorithms 66 (2014), 537-553.
MR3225001
- C. F. Bracciali, T. E. Pérez, M. Piñar, Stieltjes functions and discrete classical orthogonal polynomials. Comput. Appl. Math. 32 (2013), 537-547.
MR3120139
- T. E. Pérez, M. Piñar, Y. Xu, Weighted Sobolev orthogonal polynomials on the unit ball. J. Approx. Theory 171 (2013), 84-104.
MR3053718
- A. M. Delgado, T. E. Pérez, M. Piñar, Sobolev-type orthogonal polynomials on the unit ball. J. Approx. Theory 170 (2013), 94-106.
MR3044047
- A. M. Delgado, L. Fernández, T. E. Pérez, M. Piñar, On the Uvarov modification of two variable orthogonal polynomials on the disk. Complex Anal. Oper. Theory 6 (3) (2012), 665-676.
MR2944078
- L. Fernández, T. E. Pérez, M. Piñar, On Koornwinder classical orthogonal polynomials in two variables. J. Comput. Appl. Math. 236 (2012), 3817-3826.
MR2923514
- M. V. de Mello, V. G. Paschoa, T. E. Pérez, M. A. Piñar, Multivariate Sobolev-type orthogonal polynomials.
Jaen J. Approx. 3 (2011), 241-259.
MR2954375
- J. J. Moreno-Balcázar, T. E. Pérez, M. A. Piñar, A generating function for non-standard orthogonal polynomials involving differences: the Meixner case. Ramanujan J. 25 (1) (2011), 21-35.
MR2787289
- L. Fernández, T. E. Pérez, M. A. Piñar, Orthogonal polynomials in two variables as solutions of higher
order partial differential equations. J. Approx. Theory 163 (2011), 84-97.
MR2741221
2006-2010
- E. X. L. Andrade, C. F. Bracciali, M. V. de Mello, T. E. Pérez, Zeros for Jacobi-Sobolev orthogonal polynomials following non-coherent pair of measures. Comput. Appl. Math. 29 (2010), 423-445.
MR2740662
- C. F. Bracciali, A. M. Delgado, L. Fernández, T. E. Pérez, M. A. Piñar, New steps on Sobolev orthogonality in two variables. J. Comput. Appl. Math. 235 (2010), 916-926.
MR2727629
- A. M. Delgado, L. Fernández, T. E. Pérez, M. A. Piñar, Y. Xu, Orthogonal polynomials in several variables for measures with mass points. Numer. Algorithms 55 (2010), 245-264.
MR2720631
- L. Fernández, F. Marcellán, T. E. Pérez, M. A. Piñar, Recent Trends on Two Variable Orthogonal Polynomials Differential Algebra, Complex Analysis and Orthogonal Polynomials, P. Acosta-Humánez and F. Marcellán, eds. Contemporary Mathematics, 509, 59-86, American Mathematical Society, Providence, RI, 2010.
MR2647637
- L. Fernández, T. E. Pérez, M. A. Piñar, Y. Xu, Krall-type ortogonal polynomials in several variables. J. Comput. Appl. Math. 233 (2010), 1519-1524.
MR2559340
- M. Álvarez de Morales, L. Fernández, T. E. Pérez, M. A. Piñar,
Bivariate ortogonal polynomials in the Lyskova class. J. Comput. Appl. Math. 233 (2009), 597-601.
MR2582991
- M. Álvarez de Morales, L. Fernández, T. E. Pérez, M. A. Piñar, A matrix Rodrigues formula for classical orthogonal polynomials in two variables. J. Approx. Theory 157 (2009), 32-52.
MR2500152
- M. Álvarez de Morales, L. Fernández, T. E. Pérez, M. A. Piñar, A Stieltjes function in two variables. Approximation Theory XII: San Antonio 2007, 1-13, Nashboro Press, Brentwood, TN, 2008.
MR2537115
- M. Álvarez de Morales, L. Fernández, T. E. Pérez, M. A. Piñar, A semiclassical perspective on multivariate orthogonal polynomials. J. Comput. Appl. Math. 214 (2008), 447-456.
MR2398345
- M. Álvarez de Morales, L. Fernández, T. E. Pérez, M. A. Piñar, On differential properties for multivariate orthogonal polynomials. Numer. Algorithms 45 (2007), no. 1-4, 153-166.
MR2355979
- M. Álvarez de Morales,L. Fernández, T. E. Pérez, M. A. Piñar, Semiclassical orthogonal polynomials in two variables. J. Comput. Appl. Math. 207 (2007), 323-330.
MR2345250
- L. Fernández, T. E. Pérez, M. A. Piñar, Second--order partial differential equations for gradients of orthogonal polynomials in two variables. J. Comput. Appl. Math. 199 (2007), 113-121.
MR2267536
2001-2005
- L. Fernández, T. E. Pérez, M. A. Piñar, On multivariate classical orthogonal polynomials. Rend. Circ. Mat. Palermo (2) Suppl. No. 76 (2005), 315-329.
MR2178443
- L. Fernández, T. E. Pérez, M. A. Piñar, Classical orthogonal polynomials in two variables: a matrix approach. Numer. Algorithms 39 (2005), no. 1-3, 131-142.
MR2137747
- L. Fernández, T. E. Pérez, M. A. Piñar, Weak classical orthogonal polynomials in two variables. J. Comput. Appl. Math. 178 (2005), no. 1-2, 191-203.
MR2127879
- M. Álvarez de Morales, T. E. Pérez, M. A. Piñar, Orthogonal polynomials associated with a Delta-Sobolev inner product. J. Difference Equ. Appl. 8 (2002), no. 2, 125-151.
MR1882484
- M. Alfaro, J. J. Moreno-Balcázar, T. E. Pérez, M. A. Piñar, M. L. Rezola, Asymptotics of Sobolev orthogonal polynomials for Hermite coherent pairs. J. Comput. Appl. Math. 133 (2001), no. 1-2, 141-150.
MR1858274
1996-2000
- M. Álvarez de Morales, J. J. Moreno-Balcázar, T. E. Pérez, M. A. Piñar, Nondiagonal Hermite-Sobolev orthogonal polynomials. Acta Appl. Math. 61 (2000), no. 1-3, 257-266.
MR1783293
- E. García-Caballero, T. E. Pérez, M. A. Piñar, Hermite interpolation and Sobolev orthogonality. Acta Appl. Math. 61 (2000), no. 1-3, 87-99.
MR1783285
- M. Alfaro, M. L. Rezola, T. E. Pérez, M. A. Piñar, On symmetric differential operators associated with Sobolev orthogonal polynomials: a characterization. Acta Appl. Math. 61 (2000), no. 1-3, 3-14.
MR1783278
- H. G. Meijer, T. E. Pérez, M. A. Piñar, Asymptotics of Sobolev orthogonal polynomials for coherent pairs of Laguerre type. J. Math. Anal. Appl. 245 (2000), no. 2, 528-546.
MR1758554
- M. Alfaro, T. E. Pérez, M. A. Piñar, M. L. Rezola, Sobolev orthogonal polynomials: the discrete-continuous case. Methods Appl. Anal. 6 (1999), no. 4, 593-616.
MR1795525
- E. García-Caballero, T. E. Pérez, M. A. Piñar, Sobolev orthogonal polynomials: interpolation and approximation. Electron. Trans. Numer. Anal. 9 (1999), 56-64 (electronic).
MR1749798
- M. Álvarez de Morales, T. E. Pérez, M. A. Piñar, A. Ronveaux, Non-standard orthogonality for Meixner polynomials. Electron. Trans. Numer. Anal. 9 (1999), 1-25 (electronic).
MR1749794
- M. Álvarez de Morales, T. E. Pérez, M. A. Piñar, Sobolev orthogonality for the Gegenbauer polynomials {C^(-N+1/2)}_{n>0}. J. Comput. Appl. Math. 100 (1998), no. 1, 111-120.
MR1658734
- T. E. Pérez, M. A. Piñar, Sobolev orthogonality and properties of the generalized Laguerre polynomials. Orthogonal functions, moment theory, and continued fractions (Campinas, 1996), 375-385, Lecture Notes in Pure and Appl. Math., 199, Dekker, New York, 1998.
MR1655670
- M. Álvarez de Morales, T. E. Pérez, M. A. Piñar, A. Ronveaux, Orthogonal polynomials associated with a nondiagonal Sobolev inner product with polynomial coefficients. Orthogonal functions, moment theory, and continued fractions (Campinas, 1996), 343-358, Lecture Notes in Pure and Appl. Math., 199, Dekker, New York, 1998.
MR1655668
- A. Martínez-Finkelshtein, J. J. Moreno-Balcázar, T. E. Pérez, M. A. Piñar, Asymptotics of Sobolev orthogonal polynomials for coherent pairs of measures. J. Approx. Theory 92 (1998), no. 2, 280-293.
MR1604939
- F. Marcellán, H. G. Meijer, T. E. Pérez, M. A. Piñar, An asymptotic result for Laguerre-Sobolev orthogonal polynomials. J. Comput. Appl. Math. 87 (1997), no. 1, 87-94.
MR1488822
- T. E. Pérez, M. A. Piñar, On Sobolev orthogonality for the generalized Laguerre polynomials. J. Approx. Theory 86 (1996), no. 3, 278-285.
MR1405981
- F. Marcellán, T. E. Pérez, M. A. Piñar, Laguerre-Sobolev orthogonal polynomials. J. Comput. Appl. Math. 71 (1996), no. 2, 245-265.
MR1399895
- F. Marcellán, T. E. Pérez, M. A. Piñar, A. Ronveaux, General Sobolev orthogonal polynomials. J. Math. Anal. Appl. 200 (1996), no. 3, 614-634.
MR1393104
1991-1995
- F. Marcellán, J. C. Petronilho, T. E. Pérez, M. A. Piñar, What is beyond coherent pairs of orthogonal polynomials? J. Comput. Appl. Math. 65 (1995), no. 1-3, 267-277.
MR1379136
- F. Marcellán, T. E. Pérez, M. A. Piñar, Regular Sobolev type orthogonal polynomials: the Bessel case. Rocky Mountain J. Math. 25 (1995), no. 4, 1431-1457.
MR1371348
- F. Marcellán, T. E. Pérez, M. A. Piñar, Orthogonal polynomials on weighted Sobolev spaces: the semiclassical case. Special functions (Torino, 1993). Ann. Numer. Math. 2 (1995), no. 1-4, 93-122.
MR1343524
- F. Marcellán, T. E. Pérez, M. A. Piñar, Gegenbauer-Sobolev orthogonal polynomials. Nonlinear numerical methods and rational approximation, II (Wilrijk, 1993), 71-82, Math. Appl., 296, Kluwer Acad. Publ., Dordrecht, 1994.
MR1307190
- T. E. Pérez, M. A. Piñar, Global properties of zeros for Sobolev-type orthogonal polynomials. J. Comput. Appl. Math. 49 (1993), no. 1-3, 225-232.
MR1256030
- M. A. Piñar, T. E. Pérez, On higher order Padé-type approximants with some prescribed coefficients in the numerator. Numer. Algorithms 3 (1992), no. 1-4, 345-352.
MR1199381
- F. Marcellán, T. E. Pérez, M. A. Piñar, On zeros of Sobolev-type orthogonal polynomials. Rend. Mat. Appl. (7) 12 (1992), no. 2, 455-473.
MR1185903
- T. Pérez Fernández, M. Piñar González, Properties of the Bernstein-Jacobi operator in Cr[0,1]. (Spanish) Proceedings of the XVth Portuguese-Spanish Conference on Mathematics, Vol. V (Portuguese) (Évora, 1990), 143-148, Univ. Évora, Évora, 1991.
MR1161874
Other Publications (in Spanish)
- T. E. Pérez,
De Jornadas, Congresos, Mujeres y Matemáticas.
Boletín de la Titulación de Matemáticas de la UAL XI (2018), vol. 3, pág. 17-18 (publicacion digital).
- C. Aparicio del Prado, P. Martínez Amores, J. F. Mena Jurado, T. E. Pérez,
Breve historia de la Sección.
Matemáticas. 50 años en la Universidad de Granada,
11-15, Comisión Docente del Grado en Matemáticas. Granada, 2014.
- T. E. Pérez,
Cincuenta años: cinco planes.
Matemáticas. 50 años en la Universidad de Granada,
101-119, Comisión Docente del Grado en Matemáticas. Granada, 2014.
- T. E. Pérez, E. Santos Aláez, R. Raya Prida,
MIT: Mujeres en la Informática y la Telecomunicación.
Matematicalia
5 (2009), vol. 3 (publicacion digital).
- T. E. Pérez, E. Santos Aláez, R. Raya Prida,
¿Hay mujeres en los estudios de Informática y la Telecomunicación?
Boletín de la Titulación de Matemáticas de la UAL III (2010), vol. 3, pág. 11-12 (publicacion digital).
Editorial Activity
Women in Computer and Telecommunication
Researching
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Researching at Oberwolfach MFO. July, 2019.
Open problems
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My family. Barranco de la Luna (Granada). August, 2018.