Staff Catalogue

STAMATIS KOUMANDOS

KOUMANDOS STAMATIS
22892622
...
PROFESSOR
Department of Mathematics and Statistics
FST 01 - Faculty of Pure and Applied Sciences, ΘΕΕ01 - 143
University Campus
Undergraduate and graduate studies at the University of Thessaloniki (B. Sc., 1985 in Mathematics, Ph.D., 1991 in Mathematics). Postgraduate Erasmus scholar, University of Rome " La Sapienza " (1989-1990). He has worked at the University of New South Wales, Australia (Postdoctoral Research Fellow, 1991-1992), University of Adelaide, Australia (Postdoctoral Research Fellow, 1992-1995) and Cooperative Research Center for Sensor Signal and Information Processing, Australia (Researcher 1993-1995). University of Cyprus: Assistant Professor, 8/12/1995-31/8/1999. Associate Professor, 1/9/ 1999-30/6/2008. Professor since 1/7/2008.
Harmonic analysis
Orthogonal polynomials
Special functions
Approximation theory
Fourier analysis
Geometric function theory
Analytic number theory

 [1] Christian Berg, Stamatis Koumandos and Henrik L. Pedersen. Nielsen's beta function and some infinitely divisible distributions. Mathematische Nachrichten, to appear.

 [2]  Stamatis Koumandos and Henrik L. Pedersen.  On generalized Stieltjes functions. Constructive Approximation,  50  (2019),  no. 1, 129--144.

 [3]  Stamatis Koumandos and Henrik L. Pedersen.  On the Laplace transform of absolutely monotonic functions. Results in Mathematics, 72  (2017),  no. 3, 1041--1053.  

 [4]  Stamatis Koumandos.    Positive trigonometric integrals associated with some Lommel functions of the first kind.
 Mediterranean Journal of Mathematics,  14  (2017),  no. 1, Art. 15, 16 pp.

 [5] Stamatis Koumandos and Henrik L. Pedersen.  On the asymptotic expansion of the logarithm of Barnes triple gamma function, II. Mathematica Scandinavica, 120 (2017), 291--304.

 [6] Stamatis Koumandos.  On the log-concavity of the fractional integral of the sine function. Journal of Approximation Theory, 210  (2016), 30--40.

  [7] 'Arp'ad Baricz and Stamatis Koumandos.  Tur'an type inequalities for some Lommel functions of the first kind. Proceedings of the Edinburgh Mathematical Society (2), 59      (2016), no. 3, 569--579.

 [8]  Stamatis Koumandos and Henrik L. Pedersen.  On asymptotic expansions of generalized Stieltjes functions. Computational Methods and Function Theory (CMFT), 15       (2015), no. 1, 93--115.

 [9] Stamatis Koumandos and Martin Lamprecht.   Complete monotonicity and related properties of some special functions. Mathematics of Computation, 82, no. 282, (2013), 1097--1120.

 [10]  Stamatis Koumandos.   A Bernstein function related to Ramanujan's approximations of} $\exp(n)$.   The Ramanujan Journal, 30 , no. 3, (2013), 447--459.

 [11]  Horst Alzer and Stamatis Koumandos.  A sharp inequality for a trigonometric sum . Mediterranean Journal of Mathematics, 10,  no. 1, (2013), 313--320.

 [12]   Stamatis Koumandos and Martin Lamprecht.   The zeros of certain Lommel functions.  Proceedings of the American Mathematical Society,   40, no. 9,  (2012), 3091-3100.

 [13]  Stamatis Koumandos and Henrik L. Pedersen.  Tur'an type inequalities for the partial sums of the generating functions of Bernoulli and Euler numbers. Mathematische Nachrichten,   285, No. 17--18, (2012), 2129-2156.

[14]  Horst Alzer and Stamatis Koumandos. Sharp estimates for various trigonometric sums. Analysis (Munich). International Mathematical Journal of Analysis and its Applications, 33, no. 1, (2012),   9--26.

[15]  Stamatis Koumandos and Henrik L. Pedersen.  Absolutely monotonic functions related to Euler's gamma function and Barnes' double and triple gamma function, Monatshefte f"ur  Mathematik, 163  (2011), no. 1, 51--69.