During my scientific career, I have presented the following selected talks at conferences and seminars [in the following countries of Europe: Bulgaria, Croatia, Cyprus, Denmark, Finland, Greece, Hungary, Italy, Romania, Serbia, United Kingdom and Asia: China, India, Israel, Japan, South Korea, Türkiye]

2026

• Infinitely divisible modified Bessel distributions, 18th International Symposium on Orthogonal Polynomials, Special Functions and Applications, Doshisha University, Kyoto, Japan, 2026.08.21

• Bounds for quotients of Whittaker functions of the first and second kind, Seminar of Department of Mathematics, Karamanoglu Mehmetbey University, Karaman, Türkiye, 2026.04.16

• Infinitely divisible Whittaker lifetime distributions, Constructive Mathematical Analysis talk, Seminar of Department of Mathematics, Selcuk University, Konya, Türkiye, 2026.04.15

• From hypergeometric functions to π: Ramanujan and the world of modular equations, Seminar of Department of Business Administration, Babeş-Bolyai University, Sfântu-Gheorghe [Sepsiszentgyörgy], Romania, 2026.03.16

2021-2025

• The asymptotic behaviour of the radii of starlikeness of Bessel and Coulomb wave functions, EconMath Conference, Babeş-Bolyai University, Sfântu-Gheorghe [Sepsiszentgyörgy], Romania, 2025.09.19

• Analytical bit error rate bounds via Marcum-type functions in signal processing, Mini Symposium on Recent Advances in Intelligent Engineering, Óbuda University, Budapest, Hungary, 2025.09.09

• [Online] Infinitely divisible distributions involving modified Bessel functions, 2nd International Conference on Mathematical Analysis and Applications, National Institute of Technology Jamshedpur, Jamshedpur, India, 2025.08.06

• [Online] Modified Bessel functions, Stieltjes transforms and infinite divisibility, Constructive Functions 2025, Vanderbilt University, Nashville, United States of America, 2025.05.22

• Bounds for an integral involving Whittaker functions of the second kind, 19th IEEE International Symposium on Applied Computational Intelligence and Informatics, Politehnica University of Timişoara, Timişoara [Temesvár], Romania, 2025.05.22

• [Online] Infinite divisibility of some distributions related to modified Bessel functions, Analysis Seminar of Department of Mathematics, University of Central Florida, Florida, United States of America, 2025.02.21

• Stieltjes transforms and infinitely divisible modified Bessel distributions, International Conference on Special Functions, Analytic Functions, Metrics and Quasiconformality, Indian Institute of Technology Indore, Indore, India, 2024.12.20

• Asymptotics of classical Hermite, Laguerre and Jacobi orthogonal polynomials, Seminar of Department of Mathematics, Indian Institute of Technology Indore, Indore, India, 2024.12.16

• The asymptotic power series of the radius of starlikeness of Coulomb wave functions, Scientific Conference, Transylvanian Museum Society, Sapientia Hungarian University of Transylvania, Miercurea-Ciuc [Csíkszereda], Romania, 2024.11.16

• Generalized gamma convolutions and modified Bessel distributions, 18th IEEE International Symposium on Applied Computational Intelligence and Informatics, Politehnica University of Timişoara, Timişoara [Temesvár], Romania, 2024.05.23

• Hyperbolically completely monotone and geometrically concave distributions, Scientific Conference, Transylvanian Museum Society, Cluj-Napoca [Kolozsvár], Romania, 2023.11.18

• A probabilistic approach of the generalized Kaiser-Bessel window function, Statistics Seminar of Department of Mathematics, University of Manchester, Manchester, United Kingdom, 2023.10.16

• A new family of Bessel distributions: the Kaiser-Bessel distribution, Seminar of Department of Mathematics, Indian Institute of Technology Indore, Indore, India, 2023.09.13

• Bessel functions of the first kind: radii of starlikeness and convexity with asymptotics, Seminar of Department of Mathematics, Indian Institute of Technology Indore, Indore, India, 2023.09.11

• Generalized gamma convolutions and hyperbolically completely monotone densities, 17th IEEE International Symposium on Applied Computational Intelligence and Informatics, Politehnica University of Timişoara, Timişoara [Temesvár], Romania, 2023.05.25 

• Analysis of the Kaiser-Bessel distribution, Seminar of Department of Mathematics, Indian Institute of Technology Madras, Chennai, India, 2022.10.20

• Applications of Riemann-Hilbert problems for orthogonal polynomials, Seminar of Department of Mathematics, Indian Institute of Technology Madras, Chennai, India, 2022.10.19

• Introduction to Riemann-Hilbert problems for classical orthogonal polynomials, Seminar of Department of Mathematics, Indian Institute of Technology Madras, Chennai, India, 2022.10.18

• [Online] Probabilistic and analytical aspects of the symmetric and generalized Kaiser-Bessel window function, International Webinar on Special Functions and their Applications, University of Kerala, Thiruvananthapuram, India, 2022.03.22  [YouTube video]

• [Online] Riemann-Hilbert problems and zeros of orthogonal polynomials associated to the generalized Jacobi weight, 8th International Conference on Mathematics and Computing, Vellore Institute of Technology, Vellore, India, 2022.01.07

• [Online] Introduction to Riemann-Hilbert problems and applications on zeros of orthogonal polynomials near an algebraic singularity of the measure, Mathematical Colloquium organised by the Department of Mathematics, University of Osijek, in co-operation with the Osijek Mathematical Society, University of Osijek, Osijek, Croatia, 2021.01.28

2015-2018

• Zeros of orthogonal polynomials near an algebraic singularity of the measure, Workshop on complex ODEs: Asymptotics, Orthogonal Polynomials and Random Matrices, Centro di Ricerca Matematica Ennio de Giorgi, Pisa, Italy, 2018.05.16

• Zeros of linear combinations of Bessel functions of the first kind, 14th International Symposium on Orthogonal Polynomials, Special Functions and Applications, University of Kent, Canterbury, United Kingdom, 2017.07.03

• Zeros of some special entire functions, International Conference on Special Functions: Theory, Computation and Applications, City University of Hong Kong, Hong Kong, China, 2017.06.05

• Geometric properties of the product and cross-product of Bessel and modified Bessel functions, Nonlinear Analysis and Optimization Seminar, Technion -  Israel Institute of Technology, Haifa, Israel, 2017.02.05

• Zeros of Bessel function derivatives, International Conference on Mathematical Analysis and its Applications, Indian Institute of Technology Roorkee, Roorkee, India, 2016.11.29

• Log-concave and geometrically concave univariate distributions, Seminar of Department of Mathematics, Sri Chandrasekharendra Saraswathi Viswa Mahavidyalaya University, Kanchipuram, India, 2016.09.02

• Geometric properties of Lommel and Struve functions, Symposium on Geometric Function Theory and Special Functions, Indian Statistical Institute, Chennai, India, 2016.08.31

• Zeros of a cross-product of the Coulomb wave and Tricomi hypergeometric functions, International Conference on Complex Analysis and Related Topics. The 14th Romanian-Finnish Seminar, Simion Stoilow Institute of Mathematics of the Romanian Academy, Bucharest, Romania, 2016.06.23

• Bounds for the radii of univalence of some special functions, International Conference on Constructive Theory of Functions, Institute of Mathematics and Informatics of the Bulgarian Academy of Sciences, Sozopol, Bulgaria, 2016.06.14

• Zeros of cross-products of some special functions, IEEE 11th International Symposium on Applied Computational Intelligence and Informatics, Politehnica University of Timişoara,Timişoara [Temesvár], Romania, 2016.05.12

• Laguerre-Pólya class of real entire functions, Fourier critical points and geometric properties of some special functions, Seminar of Department of Mathematics, Pusan National University, Busan, South Korea, 2016.02.26

• Radii of starlikeness and convexity of normalized Lommel and Struve functions of the first kind, Seminar of Department of Mathematics, Pukyong National University, Busan, South Korea, 2016.02.25

• Properties of Heine basic hypergeometric functions, Seminar of Department of Mathematics, Atatürk University, Erzurum, Turkey, 2016.01.07

• Zeros of derivatives of Bessel functions, Scientific Conference, Sapientia Hungarian University of Transylvania, Miercurea-Ciuc [Csíkszereda], Romania, 2015.11.14

• Basic hypergeometric functions: geometric properties and Turán type inequalities, Seminar of Department of Mathematics, Nanjing University of Information Science and Technology, Nanjing, China, 2015.11.02

• Zeros of Bessel functions and their derivatives, Workshop on Special Functions, Babeş-Bolyai University, Cluj-Napoca [Kolozsvár], Romania, 2015.09.08

• Laguerre-Pólya class of real entire functions, Fourier critical points and applications to special functions, 5th International Conference on Mathematics and Informatics, Sapientia Hungarian University of Transylvania, Târgu-Mureş [Marosvásárhely], Romania, 2015.09.04

• Radii of convexity of some Lommel and Struve functions, International Symposium The Real World is Complex, University of Copenhagen, Copenhagen, Denmark, 2015.08.26

• Inequalities for Bessel and regular Coulomb wave functions, Seminar of Department of Mathematics, Erzincan University, Erzincan, Turkey, 2015.08.15

• Turán type inequalities for regular Coulomb wave functions, Seminar of Department of Mathematics, University of Patras, Patras, Greece, 2015.06.24

• Radii of starlikeness and convexity of some q-Bessel functions, Seminar of Department of Mathematics, Erzincan University, Erzincan, Turkey, 2015.05.28

• Bounds for the symmetric difference of generalized Marcum Q-functions, IEEE 10th International Symposium on Applied Computational Intelligence and Informatics, Politehnica University of Timişoara, Timişoara [Temesvár], Romania, 2015.05.21

• Incomplete Kratzel function model of leaky aquifer and alike functions, IEEE 10th International Symposium on Applied Computational Intelligence and Informatics, Politehnica University of Timişoara, Timişoara [Temesvár], Romania, 2015.05.21

• Starlikeness of normalized Bessel functions and their derivatives, Seminar of Indian Statistical Institute, Indian Statistical Institute, Chennai Centre, Chennai, India, 2015.03.05

• Turán type inequalities connected to infinitely divisible distributions, Symposium on Various Techniques in Mathematical Statistics and its Applications, Bharathidasan University, Tiruchirappalli, India, 2015.02.28

2010-2014

• Close-to-convexity of normalized Bessel functions and their derivatives, Scientific Conference, Transylvanian Museum Society, Cluj-Napoca [Kolozsvár], Romania, 2014.11.15

• Turán type inequalities for Struve and modified Struve functions, Mathematical Inequalities and Applications Conference, Croatian Academy of Sciences and Arts, Trogir, Croatia, 2014.06.23 

• Geometrically concave univariate distributions, Seminar of Department of Mathematics, Kafkas University, Kars, Turkey, 2014.06.06

• Radii of starlikeness and convexity of three kind of normalized Bessel functions of the first kind, Seminar of Department of Mathematics, Kafkas University, Kars, Turkey, 2014.06.05

• Infinitely divisible distributions, Stieltjes transforms and Turán type inequalities, Seminar of Department of Mathematics, Kafkas University, Kars, Turkey, 2014.06.04

• Inequalities for the generalized inverse trigonometric and hyperbolic functions, 13th Serbian Mathematical Congress, Vrnjačka Banja, Serbia, 2014.05.23

• Monotonicity properties of some Dini functions, IEEE 9th International Symposium on Applied Computational Intelligence and Informatics, Politehnica University of Timişoara, Timişoara [Temesvár], Romania, 2014.05.16

• Turán type inequalities for some functions arising in probability theory, Seminar of Indian Statistical Institute, Indian Statistical Institute, Chennai Centre, Chennai, India, 2014.03.20

• The new-is-better-than-used class of life distributions, Seminar of Indian Statistical Institute, Indian Statistical Institute, Chennai Centre, Chennai, India, 2014.03.18

• Close-to-convexity of some special functions and their derivatives, International Conference Natura-Econ, Babeş-Bolyai University, Sfântu-Gheorghe [Sepsiszentgyörgy], Romania, 2014.03.07

• Turán type inequalities for some Lommel functions of the first kind, Workshop on Analytical and Geometrical Methods for Solving Engineering Problems, Óbuda University, Budapest, Hungary, 2013.11.20

• Infinitely divisible distributions, Stieltjes transforms and Turán type inequalities, Seminar of Indian Statistical Institute, Indian Statistical Institute, Chennai Centre, Chennai, India, 2013.11.07

• The monotone form of l'Hospital's rule and geometrically concave distributions, Seminar of Indian Statistical Institute, Indian Statistical Institute, Chennai Centre, Chennai, India, 2013.11.06

• The radius of convexity of three kind of normalized Bessel functions of the first kind, Mathematics and Statistics Seminar of Department of Mathematics and Statistics, University of Cyprus, Nicosia, Cyprus, 2013.10.09

• Turán type inequalities, Stieltjes transforms and infinite divisibility, Workshop on Special Functions and their Applications, University of Copenhagen, Copenhagen, Denmark, 2013.08.29

• The radii of starlikeness and convexity of normalized Bessel functions, International Conference on Computational Methods and Function Theory, Shantou University, Shantou, China, 2013.06.11

• New approximations for DQPSK transmission bit error rate, IEEE 8th International Symposium on Applied Computational Intelligence and Informatics, Politehnica University of Timişoara, Timişoara [Temesvár], Romania, 2013.05.23

• Sampling Bessel functions and Bessel sampling, IEEE 8th International Symposium on Applied Computational Intelligence and Informatics, Politehnica University of Timişoara, Timişoara [Temesvár], Romania, 2013.05.23,

• Turán type inequalities for modified Bessel functions of the first and second kind, Seminar of Institute of Applied Mathematics, Óbuda University, Budapest, Hungary, 2013.03.13

• Ramanujan and pi, Seminar of Department of Business Administration, Babeş-Bolyai University, Sfântu-Gheorghe [Sepsiszentgyörgy], Romania, 2013.03.04

• Bounds for Turánians of modified Bessel functions, International Conference on Differential Equations, Difference Equations and Special Functions, University of Patras, Patras, Greece, 2012.09.04

• The monotone form of l'Hospital's rule and its applications, Seminar of Department of Business Administration, Babeş-Bolyai University, Sfântu-Gheorghe [Sepsiszentgyörgy], Romania, 2012.03.05

• Turán type inequalities concerning modified Bessel functions, Scientific Conference, Transylvanian Museum Society, Sovata [Szováta], Romania, 2011.11.05

• An orthogonal polynomial approach to generalized Marcum Q-function, Analysis seminar of Department of Mathematics, University of Turku, Turku, Finland, 2011.10.14

• Turán type inequalities for Tricomi confluent hypergeometric functions, Analysis seminar of Department of Mathematics, University of Helsinki, Helsinki, Finland, 2011.10.10

• Turán type inequalities for some special functions, International Conference on Asymptotics and Special Functions, City University of Hong Kong, Hong Kong, China, 2011.05.30

• Turán type inequalities for Bessel functions, Seminar of the Society of Mathematicians and Physicists of Rijeka, Society of Mathematicians and Physicists of Rijeka, Rijeka, Croatia, 2010.11.18

• Turán type inequalities for Bessel and modified Bessel functions, Seminar of Department of Mathematics, Indian Institute of Technology Madras, Chennai, India, 2010.04.15

2005-2009

• The generalized Marcum Q-function: inequalities, bounds and applications, Scientific Conference, Sapientia Hungarian University of Transylvania, Miercurea-Ciuc [Csíkszereda], Romania, 2009.11.07

• Starlikeness and convexity of generalized Bessel functions, International Conference on Complex Analysis and Related Topics. The 12th Romanian-Finnish Seminar, University of Turku, Turku, Finland, 2009.08.21

• Log-concave distributions and the monotone form of l'Hospital's rule, Transylvanian Scientific Conference for Students, Babeş-Bolyai University, Cluj-Napoca [Kolozsvár], Romania, 2009.05.26

• Generalizations of Minkowski's inequality and geometrically concave univariate distributions, Seminar of Institute of Mathematics, University of Debrecen, Debrecen, Hungary, 2009.02.26

• Turán type inequalities and the generalized Marcum Q-function, Seminar of Institute of Mathematics, University of Debrecen, Debrecen, Hungary, 2008.04.10

• Inequalities for Bessel functions, Analysis seminar of Department of Mathematics, University of Helsinki, Helsinki, Finland, 2007.05.21

• Turán type inequalities for Bessel functions and hypergeometric functions, Approximation Theory Seminar, Alfréd Rényi Institute of Mathematics of the Hungarian Academy of Sciences, Budapest, Hungary, 2007.04.12

• Inequalities concerning elliptic integrals and Bessel functions, Seminar of Institute of Mathematics, University of Debrecen, Debrecen, Hungary, 2007.02.08

• Generalized and normalized Bessel functions, Seminar of Institute of Mathematics, University of Debrecen, Debrecen, Hungary, 2005.02.24