Dieudonné Mbouna

  Centre for Mathematics of the University of Coimbra

  ORCID,    Mathscinet  and  Scopus author ID   E-mail: dmbouna@aims.ac.tz

 Research Interests:  Orthogonal Polynomials, Special functions, Approximation and Frame Theory, Mathematical Physics, Random matrix theory, q-series

Education


2021               Ph.D. in Mathematics, University of Coimbra, Portugal

                           Supervised by: Prof. Dr. José Carlos S. Petronilho and Dr. Kenier Castillo 

2015               M.Sc. in Mathematics, African Institute for Mathematical Sciences, Tanzania

2012               DIPES II in Mathematics, University of Yaoundé I, Cameroon

                           Diploma of the Advanced Teachers’ Training College, second cycle

2009               B.Sc. in Mathematics, University of Dschang, Cameroon

Research Experience 


2023 - 2025 :  Researcher, Institute for Mathematics of the University of Seville (IMUS), Spain

2022 - 2023 :  Postdoctoral researcher at the University of Warsaw, Poland

                                Postdoctoral researcher at the University of Porto, Portugal

2021 - 2022 :  Postdoctoral researcher at the University of Almeria, Spain

2015 - 2016 :  Teaching Assistant, African Institute for Mathematical Sciences, Tanzania

2012 - 2014 :  High School Mathematics Teacher, Cameroon


Publications


K. Castillo, G. Filipuk and D. Mbouna, On classical orthogonal polynomials on bi-lattices. arXiv:2311.05636 [math.CA] (2023) (Submitted)

K. Castillo and D. Mbouna, Epilegomena to the study of semiclassical orthogonal polynomials. arXiv:2307.10331 [math.CA] (2023) (Submitted);

D. Mbouna and A. Suzuki, Some Appell-type orthogonal polynomials on lattices. Ramanujan J.   (2024) ;

D. Mbouna, On an orthogonal polynomial sequence and its recurrence coefficients, Lett. Math. Phys. 114, 54 (2024) ;

K. Castillo and D. Mbouna, A counterexample to a conjecture of M. Ismail, J. Math. Phys. 65, 033507 (2024);

D. Mbouna, A structure relation for some orthogonal polynomials,  Mediterr. J. Math  20:237 (2023) ;

D. Mbouna, Juan F. Mañas-Mañas, Juan J. Moreno-Balcázar, Characterization of Orthogonal Polynomials on lattices, Integral Transforms Spec. Funct.,  34 (2023)  no. 9, 675-689;

K. Castillo and D. Mbouna, Proof of two conjectures on Askey-Wilson polynomials, Proc. Amer. Math. Soc., 151(4)  (2023), 1655-1661;

R. Álvarez-Nodarse, K. Castillo, D. Mbouna and J. Petronilho: On discrete coherent pairs of measures, J. Difference Equ. Appl., vol. 28, no. 7 (2022) 853-868;

K. Castillo, D. Mbouna, and J. Petronilho: A characterization of continuous q-Jacobi, Chebyshev of the first kind and Al-Salam Chihara polynomials, J. Math. Anal. Appl. 514 (2022) 126358;

D. Mbouna and A. Suzuki, On another characterization of Askey-Wilson polynomials. Results Math 77, 148 (2022);

K. Castillo, D. Mbouna, and J. Petronilho: On the functional equation for classical orthogonal polynomials on lattices, J. Math. Anal. Appl. 515 (2022) 126390;

K. Castillo, D. Mbouna, and J. Petronilho: Remarks on Askey-Wilson polynomials and Meixner polynomials of the second kind, Ramanujan J., 58 (2022) 1159-1170.

R. Álvarez-Nodarse, K. Castillo, D. Mbouna and J. Petronilho: On classical orthogonal polynomials related to Hahn’s operator, Integral Transforms Spec. Funct., 31 (2020) 487-505;

K. Castillo and D. Mbouna, On another extension of coherent pairs of measures, Indag. Math. (N.S.), 31 (2020) 223-234.

Book Chapters


K. Castillo, D. Mbouna and J. Petronilho, On classical orthogonal polynomials on lattices and some characterization theorems, arXiv:2209.04615 


D. Mbouna,. Coherent pair of measures for orthogonal polynomials on lattices, to appear in Coimbra

Mathematical Texts (vol. Orthogonal Polynomials and Special Functions: In Memory of José Carlos Petronilho), Springer, arXiv:2301.02776;


D. Mbouna and A. Suzuki,. First type characterization of Askey-Wilson polynomials, arXiv:2302.08396