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Koumandos, Stamatis

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Author ID: koumandos.stamatis Recent zbMATH articles by "Koumandos, Stamatis"
Published as: Koumandos, Stamatis; Koumandos, S.
External Links: MGP · ORCID
Documents Indexed: 72 Publications since 1990
Reviewing Activity: 295 Reviews
Co-Authors: 13 Co-Authors with 43 Joint Publications
539 Co-Co-Authors

Publications by Year

Citations contained in zbMATH Open

62 Publications have been cited 406 times in 196 Documents Cited by Year
Completely monotonic functions of positive order and asymptotic expansions of the logarithm of Barnes double gamma function and Euler’s gamma function. Zbl 1169.33001
Koumandos, Stamatis; Pedersen, Henrik L.
48
2009
Remarks on some completely monotonic functions. Zbl 1108.26008
Koumandos, Stamatis
34
2006
An extension of Vietoris’s inequalities. Zbl 1138.42002
Koumandos, Stamatis
21
2007
On a conjecture for trigonometric sums and starlike functions. Zbl 1135.42001
Koumandos, Stamatis; Ruscheweyh, Stephan
18
2007
Monotonicity of some functions involving the gamma and psi functions. Zbl 1210.33002
Koumandos, Stamatis
17
2008
On Ruijsenaars’ asymptotic expansion of the logarithm of the double gamma function. Zbl 1140.33007
Koumandos, Stamatis
15
2008
Positive Gegenbauer polynomial sums and applications to starlike functions. Zbl 1099.30006
Koumandos, Stamatis; Ruscheweyh, Stephan
14
2006
Turán-type inequalities for some lommel functions of the first kind. Zbl 1362.33007
Baricz, Árpád; Koumandos, Stamatis
14
2016
The zeros of certain Lommel functions. Zbl 1277.33003
Koumandos, Stamatis; Lamprecht, Martin
13
2012
Inequalities for trigonometric sums. Zbl 1247.42003
Koumandos, Stamatis
10
2012
Sub- and superadditive properties of Fejér’s sine polynomial. Zbl 1086.42001
Alzer, Horst; Koumandos, Stamatis
9
2006
Series representations for \(\gamma\) and other mathematical constants. Zbl 1164.40001
Alzer, Horst; Koumandos, Stamatis
9
2008
A new refinement of Young’s inequality. Zbl 1126.26015
Alzer, Horst; Koumandos, Stamatis
9
2007
Absolutely monotonic functions related to Euler’s gamma function and Barnes’ double and triple gamma function. Zbl 1241.33004
Koumandos, Stamatis; Pedersen, Henrik L.
8
2011
On the partial sums of a Fourier series. Zbl 1152.42300
Alzer, Horst; Koumandos, Stamatis
7
2008
Remarks on a paper by Chao-Ping Chen and Feng Qi. Zbl 1088.33002
Koumandos, Stamatis
7
2006
On a conjecture for trigonometric sums and starlike functions. II. Zbl 1200.42002
Koumandos, Stamatis; Lamprecht, Martin
7
2010
Some completely monotonic functions of positive order. Zbl 1194.33003
Koumandos, Stamatis; Lamprecht, Martin
7
2010
Companions of the inequalities of Fejér-Jackson and Young. Zbl 1082.26012
Alzer, Horst; Koumandos, Stamatis
7
2005
Sharp inequalities for trigonometric sums. Zbl 1034.26007
Alzer, Horst; Koumandos, Stamatis
7
2003
Complete monotonicity and related properties of some special functions. Zbl 1272.33003
Koumandos, Stamatis; Lamprecht, Martin
7
2013
On asymptotic expansions of generalized Stieltjes functions. Zbl 1326.41038
Koumandos, Stamatis; Pedersen, Henrik Laurberg
7
2015
On the asymptotic expansion of the logarithm of Barnes triple gamma function. Zbl 1184.33002
Koumandos, Stamatis; Pedersen, Henrik L.
6
2009
Sharp inequalities for trigonometric sums in two variables. Zbl 1099.42001
Alzer, Horst; Koumandos, Stamatis
6
2004
Inequalities of Fejér-Jackson type. Zbl 1036.26012
Alzer, Horst; Koumandos, Stamatis
6
2003
A sharp bound for a sine polynomial. Zbl 1028.26011
Alzer, Horst; Koumandos, Stamatis
6
2003
Turán type inequalities for the partial sums of the generating functions of Bernoulli and Euler numbers. Zbl 1272.11038
Koumandos, Stamatis; Pedersen, Henrik Laurberg
6
2012
Inequalities for two sine polynomials. Zbl 1091.26009
Alzer, Horst; Koumandos, Stamatis
5
2006
Series and product representations for some mathematical constants. Zbl 1197.11013
Alzer, Horst; Koumandos, Stamatis
5
2009
Universal series in \({\bigcap}_{p>1}{\ell}^p\). Zbl 1195.30055
Koumandos, S.; Nestoridis, V.; Smyrlis, Y.-S.; Stefanopoulos, V.
5
2010
On the positivity of some basic Legendre polynomial sums. Zbl 0935.33009
Brown, Gavin; Koumandos, Stamatis; Wang, Kunyang
4
1999
On the Laplace transform of absolutely monotonic functions. Zbl 1386.44001
Koumandos, Stamatis; Pedersen, Henrik L.
4
2017
On generalized Stieltjes functions. Zbl 1414.26020
Koumandos, Stamatis; Pedersen, Henrik L.
4
2019
Positive trigonometric integrals associated with some Lommel functions of the first kind. Zbl 1362.33001
Koumandos, Stamatis
4
2017
On a monotonic trigonometric sum. Zbl 0869.42002
Brown, Gavin; Koumandos, Stamatis
3
1997
Positivity of more Jacobi polynomial sums. Zbl 0847.33006
Brown, Gavin; Koumandos, Stamatis; Wang, Kunyang
3
1996
On a conjecture of Clark and Ismail. Zbl 1071.33004
Alzer, Horst; Berg, Christian; Koumandos, Stamatis
3
2005
On completely monotonic and related functions. Zbl 1318.33002
Koumandos, Stamatis
3
2014
A Bernstein function related to Ramanujan’s approximations of \(\exp(n)\). Zbl 1267.41032
Koumandos, Stamatis
3
2013
Positivity of basic sums of ultraspherical polynomials. Zbl 0917.33005
Brown, Gavin; Koumandos, Stamatis; Wang, Kun-Yang
2
1998
A positive functional bound for certain sine sums. Zbl 0978.42001
Koumandos, Stamatis
2
2000
Some inequalities for cosine sums. Zbl 0985.42002
Koumandos, Stamatis
2
2001
On a positive sine sum. Zbl 0869.42001
Koumandos, Stamatis
2
1996
A note on a monotonicity property of Bessel functions. Zbl 0874.33005
Koumandos, Stamatis
2
1997
Positivity of Cotes numbers at more Jacobi abscissas. Zbl 0860.33005
Brown, Gavin; Koumandos, Stamatis; Wang, Kun-Yang
2
1996
Some inequalities for \(f\)-divergence measures generated by \(2n\)-convex functions. Zbl 1224.94025
Dragomir, Sever S.; Koumandos, Stamatis
2
2010
On a generalized entropy’s formula. Zbl 0715.11039
Karanikas, C.; Koumandos, S.
2
1990
A refinement of Vietoris’ inequality for sine polynomials. Zbl 1202.42005
Alzer, Horst; Koumandos, Stamatis; Lamprecht, Martin
2
2010
Remarks on a sine polynomial. Zbl 1180.42001
Alzer, Horst; Koumandos, Stamatis
2
2009
Some monotonic trigonometric sums. Zbl 1132.42003
Alzer, Horst; Koumandos, Stamatis
2
2006
Positive trigonometric sums and applications. Zbl 1135.42300
Koumandos, Stamatis
2
2006
A new bound for the Fejér-Jackson sum. Zbl 0912.42001
Brown, G.; Koumandos, S.
1
1998
Monotonic trigonometric sums and coefficients of Bloch functions. Zbl 0917.42001
Koumandos, Stamatis
1
1999
\(L^ p\)-convergence of a certain class of product martingales. Zbl 0804.60035
Koumandos, Stamatis
1
1994
Positive trigonometric sums in the theory of univalent functions. Zbl 0936.30001
Koumandos, Stamatis
1
1999
Continuous singular measures with absolutely continuous convolution squares on locally compact groups. Zbl 0729.43002
Karanikas, C.; Koumandos, S.
1
1991
Sharp estimates for various trigonometric sums. Zbl 1258.26012
Alzer, Horst; Koumandos, Stamatis
1
2012
Monotonicity of some functions involving the psi function and sharp estimates for the remainders of certain series. Zbl 1131.33001
Koumandos, Stamatis
1
2007
On a class of integrals involving a Bessel function times Gegenbauer polynomials. Zbl 1137.33303
Koumandos, Stamatis
1
2007
On a trigonometric sum of Vinogradov. Zbl 1130.11326
Alzer, Horst; Koumandos, Stamatis
1
2004
On a conjectured inequality of Gautschi and Leopardi for Jacobi polynomials. Zbl 1123.26016
Koumandos, Stamatis
1
2007
On the log-concavity of the fractional integral of the sine function. Zbl 1353.33004
Koumandos, Stamatis
1
2016
On generalized Stieltjes functions. Zbl 1414.26020
Koumandos, Stamatis; Pedersen, Henrik L.
4
2019
On the Laplace transform of absolutely monotonic functions. Zbl 1386.44001
Koumandos, Stamatis; Pedersen, Henrik L.
4
2017
Positive trigonometric integrals associated with some Lommel functions of the first kind. Zbl 1362.33001
Koumandos, Stamatis
4
2017
Turán-type inequalities for some lommel functions of the first kind. Zbl 1362.33007
Baricz, Árpád; Koumandos, Stamatis
14
2016
On the log-concavity of the fractional integral of the sine function. Zbl 1353.33004
Koumandos, Stamatis
1
2016
On asymptotic expansions of generalized Stieltjes functions. Zbl 1326.41038
Koumandos, Stamatis; Pedersen, Henrik Laurberg
7
2015
On completely monotonic and related functions. Zbl 1318.33002
Koumandos, Stamatis
3
2014
Complete monotonicity and related properties of some special functions. Zbl 1272.33003
Koumandos, Stamatis; Lamprecht, Martin
7
2013
A Bernstein function related to Ramanujan’s approximations of \(\exp(n)\). Zbl 1267.41032
Koumandos, Stamatis
3
2013
The zeros of certain Lommel functions. Zbl 1277.33003
Koumandos, Stamatis; Lamprecht, Martin
13
2012
Inequalities for trigonometric sums. Zbl 1247.42003
Koumandos, Stamatis
10
2012
Turán type inequalities for the partial sums of the generating functions of Bernoulli and Euler numbers. Zbl 1272.11038
Koumandos, Stamatis; Pedersen, Henrik Laurberg
6
2012
Sharp estimates for various trigonometric sums. Zbl 1258.26012
Alzer, Horst; Koumandos, Stamatis
1
2012
Absolutely monotonic functions related to Euler’s gamma function and Barnes’ double and triple gamma function. Zbl 1241.33004
Koumandos, Stamatis; Pedersen, Henrik L.
8
2011
On a conjecture for trigonometric sums and starlike functions. II. Zbl 1200.42002
Koumandos, Stamatis; Lamprecht, Martin
7
2010
Some completely monotonic functions of positive order. Zbl 1194.33003
Koumandos, Stamatis; Lamprecht, Martin
7
2010
Universal series in \({\bigcap}_{p>1}{\ell}^p\). Zbl 1195.30055
Koumandos, S.; Nestoridis, V.; Smyrlis, Y.-S.; Stefanopoulos, V.
5
2010
Some inequalities for \(f\)-divergence measures generated by \(2n\)-convex functions. Zbl 1224.94025
Dragomir, Sever S.; Koumandos, Stamatis
2
2010
A refinement of Vietoris’ inequality for sine polynomials. Zbl 1202.42005
Alzer, Horst; Koumandos, Stamatis; Lamprecht, Martin
2
2010
Completely monotonic functions of positive order and asymptotic expansions of the logarithm of Barnes double gamma function and Euler’s gamma function. Zbl 1169.33001
Koumandos, Stamatis; Pedersen, Henrik L.
48
2009
On the asymptotic expansion of the logarithm of Barnes triple gamma function. Zbl 1184.33002
Koumandos, Stamatis; Pedersen, Henrik L.
6
2009
Series and product representations for some mathematical constants. Zbl 1197.11013
Alzer, Horst; Koumandos, Stamatis
5
2009
Remarks on a sine polynomial. Zbl 1180.42001
Alzer, Horst; Koumandos, Stamatis
2
2009
Monotonicity of some functions involving the gamma and psi functions. Zbl 1210.33002
Koumandos, Stamatis
17
2008
On Ruijsenaars’ asymptotic expansion of the logarithm of the double gamma function. Zbl 1140.33007
Koumandos, Stamatis
15
2008
Series representations for \(\gamma\) and other mathematical constants. Zbl 1164.40001
Alzer, Horst; Koumandos, Stamatis
9
2008
On the partial sums of a Fourier series. Zbl 1152.42300
Alzer, Horst; Koumandos, Stamatis
7
2008
An extension of Vietoris’s inequalities. Zbl 1138.42002
Koumandos, Stamatis
21
2007
On a conjecture for trigonometric sums and starlike functions. Zbl 1135.42001
Koumandos, Stamatis; Ruscheweyh, Stephan
18
2007
A new refinement of Young’s inequality. Zbl 1126.26015
Alzer, Horst; Koumandos, Stamatis
9
2007
Monotonicity of some functions involving the psi function and sharp estimates for the remainders of certain series. Zbl 1131.33001
Koumandos, Stamatis
1
2007
On a class of integrals involving a Bessel function times Gegenbauer polynomials. Zbl 1137.33303
Koumandos, Stamatis
1
2007
On a conjectured inequality of Gautschi and Leopardi for Jacobi polynomials. Zbl 1123.26016
Koumandos, Stamatis
1
2007
Remarks on some completely monotonic functions. Zbl 1108.26008
Koumandos, Stamatis
34
2006
Positive Gegenbauer polynomial sums and applications to starlike functions. Zbl 1099.30006
Koumandos, Stamatis; Ruscheweyh, Stephan
14
2006
Sub- and superadditive properties of Fejér’s sine polynomial. Zbl 1086.42001
Alzer, Horst; Koumandos, Stamatis
9
2006
Remarks on a paper by Chao-Ping Chen and Feng Qi. Zbl 1088.33002
Koumandos, Stamatis
7
2006
Inequalities for two sine polynomials. Zbl 1091.26009
Alzer, Horst; Koumandos, Stamatis
5
2006
Some monotonic trigonometric sums. Zbl 1132.42003
Alzer, Horst; Koumandos, Stamatis
2
2006
Positive trigonometric sums and applications. Zbl 1135.42300
Koumandos, Stamatis
2
2006
Companions of the inequalities of Fejér-Jackson and Young. Zbl 1082.26012
Alzer, Horst; Koumandos, Stamatis
7
2005
On a conjecture of Clark and Ismail. Zbl 1071.33004
Alzer, Horst; Berg, Christian; Koumandos, Stamatis
3
2005
Sharp inequalities for trigonometric sums in two variables. Zbl 1099.42001
Alzer, Horst; Koumandos, Stamatis
6
2004
On a trigonometric sum of Vinogradov. Zbl 1130.11326
Alzer, Horst; Koumandos, Stamatis
1
2004
Sharp inequalities for trigonometric sums. Zbl 1034.26007
Alzer, Horst; Koumandos, Stamatis
7
2003
Inequalities of Fejér-Jackson type. Zbl 1036.26012
Alzer, Horst; Koumandos, Stamatis
6
2003
A sharp bound for a sine polynomial. Zbl 1028.26011
Alzer, Horst; Koumandos, Stamatis
6
2003
Some inequalities for cosine sums. Zbl 0985.42002
Koumandos, Stamatis
2
2001
A positive functional bound for certain sine sums. Zbl 0978.42001
Koumandos, Stamatis
2
2000
On the positivity of some basic Legendre polynomial sums. Zbl 0935.33009
Brown, Gavin; Koumandos, Stamatis; Wang, Kunyang
4
1999
Monotonic trigonometric sums and coefficients of Bloch functions. Zbl 0917.42001
Koumandos, Stamatis
1
1999
Positive trigonometric sums in the theory of univalent functions. Zbl 0936.30001
Koumandos, Stamatis
1
1999
Positivity of basic sums of ultraspherical polynomials. Zbl 0917.33005
Brown, Gavin; Koumandos, Stamatis; Wang, Kun-Yang
2
1998
A new bound for the Fejér-Jackson sum. Zbl 0912.42001
Brown, G.; Koumandos, S.
1
1998
On a monotonic trigonometric sum. Zbl 0869.42002
Brown, Gavin; Koumandos, Stamatis
3
1997
A note on a monotonicity property of Bessel functions. Zbl 0874.33005
Koumandos, Stamatis
2
1997
Positivity of more Jacobi polynomial sums. Zbl 0847.33006
Brown, Gavin; Koumandos, Stamatis; Wang, Kunyang
3
1996
On a positive sine sum. Zbl 0869.42001
Koumandos, Stamatis
2
1996
Positivity of Cotes numbers at more Jacobi abscissas. Zbl 0860.33005
Brown, Gavin; Koumandos, Stamatis; Wang, Kun-Yang
2
1996
\(L^ p\)-convergence of a certain class of product martingales. Zbl 0804.60035
Koumandos, Stamatis
1
1994
Continuous singular measures with absolutely continuous convolution squares on locally compact groups. Zbl 0729.43002
Karanikas, C.; Koumandos, S.
1
1991
On a generalized entropy’s formula. Zbl 0715.11039
Karanikas, C.; Koumandos, S.
2
1990
all top 5

Cited by 162 Authors

25 Koumandos, Stamatis
21 Alzer, Horst
19 Qi, Feng
17 Chen, Chaoping
11 Kwong, Man Kam
9 Guo, Bai-Ni
9 Pedersen, Henrik Laurberg
6 Baricz, Árpád
6 Mondal, Saiful Rahman
5 Lamprecht, Martin
5 Mortici, Cristinel
5 Yang, Zhenhang
4 Choi, Junesang
4 Karp, Dmitriĭ Borisovich
4 Menegatto, Valdir Antonio
4 Sangal, Priyanka
4 Sofo, Anthony
4 Srivastava, Hari Mohan
3 Brown, Gavin
3 Cen, Zhongdi
3 Cho, Yong-Kum
3 Chu, Yuming
3 Chung, Seok-Young
3 Dai, Feng
3 Gaunt, Robert Edward
3 Li, Wenhui
3 Paris, Richard Bruce
3 Shi, Xiquan
3 Xu, Aimin
2 Abdeljawad, Thabet
2 Agarwal, Ravi P.
2 Barbosa, Victor S.
2 Batir, Necdet
2 Bercu, Gabriel
2 Berg, Christian
2 Guo, Senlin
2 Guo, Songbai
2 Kalmykov, Sergeĭ Ivanovich
2 Kian, Mohsen
2 Liang, Lichun
2 Mahmoud, Mansour
2 Prilepkina, Elena Gumarovna
2 Ruscheweyh, Stephan
2 Sooppy Nisar, Kottakkaran
2 Swaminathan, Anbhu
2 Wang, Kunyang
2 Wu, Shanhe
2 Yagmur, Nihat
2 Zhang, Xiaohui
2 Zhu, Baoxuan
2 Zhu, Ling
1 Åhag, Per
1 Ali, Rosihan Mohamed
1 Anderson, Glen Douglas
1 András, Szilárd
1 Andrianesis, Panagiotis
1 Araci, Serkan
1 Arias-de-Reyna, Juan
1 Askitis, Dimitris
1 Bacharoglou, Athanassia G.
1 Bakan, Andrew G.
1 Benedetto, John Joseph
1 Bernal-Gonzàlez, Luis
1 Bernstein, Erica
1 Bisbas, Antonis
1 Botosaru, Irene
1 Çağlar, Murat
1 Chandrasekran, Koneri
1 Chavan, Sameer Laxman
1 Czyż, Rafał
1 Deniz, Erhan
1 Dimitrov, Dimitar K.
1 Dixit, Atul
1 Dooley, Anthony Haynes
1 Fejzullahu, Bujar Xh.
1 Fikioris, George
1 Fong, Jolie Zhi Yi
1 Ganczar, Andrzej
1 Gao, Peng
1 Gardiner, Stephen J.
1 Giusti, Andrea
1 Grinshpan, Arcadii Z.
1 Gupta, Sanjiv Kumar
1 He, Yuan
1 Immonen, Eero
1 Jankov Maširević, Dragana
1 Jiang, Yueping
1 Kazımoğlu, Sercan
1 Komatsu, Takao
1 Konstantinidis, Ioannis
1 Kumar, Rahul
1 Lee, See Keong
1 Lee, Tuo-Yeong
1 Li, Aibing
1 Li, Huiyuan
1 Li, Xiliang
1 Limani, R.
1 Liu, Aiqi
1 Liu, Fengshan
1 Liu, Huaning
...and 62 more Authors
all top 5

Cited in 72 Serials

15 Journal of Mathematical Analysis and Applications
15 Applied Mathematics and Computation
12 Journal of Inequalities and Applications
11 Results in Mathematics
9 Proceedings of the American Mathematical Society
7 The Ramanujan Journal
7 Mediterranean Journal of Mathematics
5 Mathematics of Computation
5 Journal of Approximation Theory
5 Journal of Computational and Applied Mathematics
5 Integral Transforms and Special Functions
4 Journal of Number Theory
3 Analysis Mathematica
3 Periodica Mathematica Hungarica
3 Mathematische Nachrichten
3 Monatshefte für Mathematik
3 Constructive Approximation
3 Mathematical Inequalities & Applications
3 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
3 Analysis and Applications (Singapore)
3 International Journal of Wavelets, Multiresolution and Information Processing
3 Advances in Difference Equations
3 Applicable Analysis and Discrete Mathematics
3 AIMS Mathematics
2 Rocky Mountain Journal of Mathematics
2 Archiv der Mathematik
2 Proceedings of the Edinburgh Mathematical Society. Series II
2 Expositiones Mathematicae
2 Abstract and Applied Analysis
2 Analysis (München)
2 Computational Methods and Function Theory
2 International Journal of Number Theory
2 Journal of Classical Analysis
1 Computers & Mathematics with Applications
1 Journal of Mathematical Physics
1 Mathematical Notes
1 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg
1 Bulletin of the London Mathematical Society
1 Journal of Combinatorial Theory. Series A
1 Journal of Econometrics
1 Journal of Mathematical Economics
1 Mathematica Scandinavica
1 Mathematica Slovaca
1 Mathematika
1 Numerical Functional Analysis and Optimization
1 Advances in Applied Mathematics
1 Acta Mathematica Hungarica
1 Acta Applicandae Mathematicae
1 Bulletin of the Iranian Mathematical Society
1 Mathematical and Computer Modelling
1 Numerical Algorithms
1 Aequationes Mathematicae
1 Bulletin of the American Mathematical Society. New Series
1 Indagationes Mathematicae. New Series
1 Journal of Algebraic Combinatorics
1 Computational and Applied Mathematics
1 Georgian Mathematical Journal
1 The New York Journal of Mathematics
1 Journal of Applied Analysis
1 Communications of the Korean Mathematical Society
1 Communications in Nonlinear Science and Numerical Simulation
1 Analysis in Theory and Applications
1 SIGMA. Symmetry, Integrability and Geometry: Methods and Applications
1 Journal of Mathematical Inequalities
1 São Paulo Journal of Mathematical Sciences
1 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
1 Iranian Journal of Mathematical Sciences and Informatics
1 Journal of Applied Analysis and Computation
1 Problemy Analiza. Issues of Analysis
1 Journal of Mathematics
1 Journal of Complex Analysis
1 Open Mathematics

Citations by Year