×

Wirths, Karl-Joachim

Compute Distance To:
Author ID: wirths.karl-joachim Recent zbMATH articles by "Wirths, Karl-Joachim"
Published as: Wirths, Karl-Joachim; Wirths, K.-J.; Wirths, K. J.; Wirths, Karl Joachim; Wirths, Karl J.
Homepage: https://www.tu-braunschweig.de/iaa/personal/wirths
External Links: MGP
Documents Indexed: 120 Publications since 1971, including 5 Books
1 Further Contribution
Reviewing Activity: 139 Reviews
Biographic References: 1 Publication
Co-Authors: 26 Co-Authors with 95 Joint Publications
633 Co-Co-Authors
all top 5

Serials

7 Lobachevskii Journal of Mathematics
7 Computational Methods and Function Theory
5 Monatshefte für Mathematik
5 Results in Mathematics
5 Complex Variables. Theory and Application
5 The Journal of Analysis
4 Journal of Mathematical Analysis and Applications
4 Archiv der Mathematik
4 Mathematische Nachrichten
4 Bulletin of the Belgian Mathematical Society - Simon Stevin
3 Annales Universitatis Mariae Curie-Skłodowska. Sectio A. Mathematica
3 Mathematische Zeitschrift
3 Proceedings of the American Mathematical Society
3 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
2 Annales Polonici Mathematici
2 Constructive Approximation
2 Mathematica
2 Serdica Mathematical Journal
1 American Mathematical Monthly
1 Analysis Mathematica
1 Bulletin of the Australian Mathematical Society
1 IMA Journal of Numerical Analysis
1 Indian Journal of Pure & Applied Mathematics
1 Israel Journal of Mathematics
1 Mathematische Semesterberichte
1 Arkiv för Matematik
1 Bulletin of the London Mathematical Society
1 Canadian Mathematical Bulletin
1 Colloquium Mathematicum
1 Commentarii Mathematici Helvetici
1 Geometriae Dedicata
1 Indian Journal of Mathematics
1 Journal of Approximation Theory
1 The Journal of the Indian Mathematical Society. New Series
1 Journal of the London Mathematical Society. Second Series
1 Kodai Mathematical Journal
1 Mathematica Scandinavica
1 Mathematica Slovaca
1 Michigan Mathematical Journal
1 Proceedings of the Edinburgh Mathematical Society. Series II
1 Quaestiones Mathematicae
1 Siberian Mathematical Journal
1 Sibirskiĭ Matematicheskiĭ Zhurnal
1 Analysis
1 Bulletin of the Korean Mathematical Society
1 Bulletin of the Iranian Mathematical Society
1 Approximation Theory and its Applications
1 Revista Matemática Iberoamericana
1 Forum Mathematicum
1 Journal of Approximation Theory and its Applications
1 Russian Mathematics
1 Annales Academiae Scientiarum Fennicae. Mathematica
1 ZAMM. Zeitschrift für Angewandte Mathematik und Mechanik
1 Analysis (München)
1 Journal of the Australian Mathematical Society
1 Mediterranean Journal of Mathematics
1 Cubo
1 Complex Variables and Elliptic Equations
1 The College Mathematics Journal
1 Analysis and Mathematical Physics
1 Problemy Analiza. Issues of Analysis
1 Frontiers in Mathematics

Publications by Year

Citations contained in zbMATH Open

85 Publications have been cited 599 times in 327 Documents Cited by Year
Unified Poincaré and Hardy inequalities with sharp constants for convex domains. Zbl 1145.26005
Avkhadiev, F. G.; Wirths, K.-J.
46
2007
Schwarz-Pick type inequalities. Zbl 1168.30001
Avkhadiev, Farit G.; Wirths, Karl-Joachim
43
2009
On the Fekete-Szegö problem for concave univalent functions. Zbl 1202.30015
Bhowmik, B.; Ponnusamy, S.; Wirths, K.-J.
28
2011
Sharp Hardy-type inequalities with Lamb’s constant. Zbl 1237.26014
Avkhadiev, F. G.; Wirths, K.-J.
27
2011
Geometric studies on the class \(\mathcal U(\lambda)\). Zbl 1348.30009
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim
21
2016
Sharp inequalities for the coefficients of concave schlicht functions. Zbl 1210.30005
Avkhadiev, F. G.; Pommerenke, Ch.; Wirths, K.-J.
21
2006
Coefficient characterizations and sections for some univalent functions. Zbl 1283.30047
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim
20
2013
Weighted Hardy inequalities with sharp constants. Zbl 1254.26031
Avkhadiev, F. G.; Wirths, K.-J.
18
2010
Schwarz-Pick inequalities for derivatives of arbitrary order. Zbl 1018.30018
Avkhadiev, F. G.; Wirths, K.-J.
17
2003
New inequalities for the coefficients of unimodular bounded functions. Zbl 1442.30003
Ponnusamy, Saminathan; Vijayakumar, Ramakrishnan; Wirths, Karl-Joachim
17
2020
A proof of the Livingston conjecture. Zbl 1109.30021
Avkhadiev, Farit G.; Wirths, Karl-Joachim
15
2007
Convex holes produce lower bounds for coefficients. Zbl 1028.30010
Avkhadiev, F. G.; Wirths, K.-J.
15
2002
Recognizing \(\mathfrak{Q}_{p,0}\) functions per Dirichlet space structure. Zbl 0989.30024
Wirths, K. J.; Xiao, J.
15
2001
On the coefficients of concave univalent functions. Zbl 1149.30013
Avkhadiev, Farit G.; Pommerenke, Christian; Wirths, Karl-Joachim
14
2004
Logarithmic coefficients and a coefficient conjecture for univalent functions. Zbl 1400.30027
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim
14
2018
Über totalmonotone Zahlenfolgen. Zbl 0313.30009
Wirths, Karl-Joachim
12
1975
On extreme Bloch functions with prescribed critical points. Zbl 0482.30023
Ruscheweyh, Stephan; Wirths, Karl-Joachim
11
1982
An image-area inequality for some planar holomorphic maps. Zbl 0954.30017
Wirths, K. J.; Xiao, J.
11
2000
Concave schlicht functions with bounded opening angle at infinity. Zbl 1071.30005
Avkhadiev, F. G.; Wirths, K.-J.
11
2005
Über holomorphe Funktionen, die einer Wachstumsbeschränkung unterliegen. Zbl 0373.30016
Wirths, Karl-Joachim
10
1978
A proof of Yamashita’s conjecture on area integral. Zbl 1283.30031
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim
10
2013
On the problem of Gromova and Vasil’ev on integral means, and Yamashita’s conjecture for spirallike functions. Zbl 1295.30042
Ponnusamy, Saminathan; Wirths, Karl-Joachim
10
2014
On the best constants for the Brezis-Marcus inequalities in balls. Zbl 1259.26025
Avkhadiev, F. G.; Wirths, K. J.
10
2012
Schwarz-Pick inequalities for hyperbolic domains in the extended plane. Zbl 1066.30025
Avkhadiev, Farit G.; Wirths, Karl-Joachim
8
2004
The conformal radius as a function and its gradient image. Zbl 1096.30013
Avkhadiev, F. G.; Wirths, K.-J.
8
2005
Domains of variability of Laurent coefficients and the convex hull for the family of concave univalent functions. Zbl 1148.30006
Bhowmik, Bappaditya; Ponnusamy, Saminathan; Wirths, Karl-Joachim
7
2007
Characterization and the pre-Schwarzian norm estimate for concave univalent functions. Zbl 1201.30008
Bhowmik, Bappaditya; Ponnusamy, Saminathan; Wirths, Karl-Joachim
7
2010
Integral means and Dirichlet integral for analytic functions. Zbl 1309.30019
Obradović, Milutin; Ponnusamy, S.; Wirths, Karl-Joachim
7
2015
Global integral criteria for composition operators. Zbl 1015.30017
Wirths, K.-J.; Xiao, J.
6
2002
Verallgemeinerungen eines Maximumprinzips. Zbl 0239.30013
Wirths, Karl-Joachim
6
1971
Improved Bohr’s phenomenon in quasi-subordination classes. Zbl 1475.30005
Ponnusamy, Saminathan; Vijayakumar, Ramakrishnan; Wirths, Karl-Joachim
6
2022
Bohr type inequalities for functions with a multiple zero at the origin. Zbl 1461.30004
Ponnusamy, S.; Wirths, K.-J.
5
2020
Elementary considerations for classes of meromorphic univalent functions. Zbl 1401.30026
Ponnusamy, S.; Wirths, K.-J.
5
2018
Normal families of gap power series. Zbl 0623.30044
Ruscheweyh, St.; Wirths, K.-J.
5
1986
Analogues to Landau’s inequality for nonvanishing bounded functions and for Bloch functions. Zbl 1421.30074
Kayumov, I. R.; Wirths, K.-J.
5
2019
On the residuum of concave univalent functions. Zbl 1164.30355
Wirths, K.-J.
5
2006
Punishing factors for finitely connected domains. Zbl 1094.30026
Avkhadiev, F. G.; Wirths, K.-J.
5
2006
Coefficient problems on the class \(U(\lambda)\). Zbl 1427.30029
Ponnusamy, Saminathan; Wirths, Karl-Joachim
4
2018
Extreme Bloch functions with many critical points. Zbl 0561.30023
Ruscheweyh, St.; Wirths, K. J.
4
1984
A proof of the Livingston conjecture for the fourth and the fifth coefficient of concave univalent functions. Zbl 1058.30018
Wirths, Karl-Joachim
4
2004
Concave functions, Blaschke products, and polygonal mappings. Zbl 1224.30035
Bhowmik, Bappaditya; Ponnusamy, Saminathan; Wirths, Karl-Joachim
4
2009
Coefficients problems for Bloch functions. Zbl 1430.30017
Kayumov, I. R.; Wirths, K.-J.
4
2019
Logarithmic coefficients of the inverse of univalent functions. Zbl 1404.30023
Ponnusamy, Saminathan; Sharma, Navneet Lal; Wirths, Karl-Joachim
4
2018
Where is \(f (z) / f'(z)\) univalent? Zbl 1336.30018
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim
3
2014
Subordination under concave univalent functions. Zbl 1129.30004
Avkhadiev, F. G.; Wirths, K.-J.
3
2007
On an extremal problem for bounded polynomials. Zbl 0602.41005
Ruscheweyh, Stephan; Wirths, Karl-Joachim
3
1985
Coefficient bounds for convex functions of bounded type. Zbl 0655.30014
Wirths, K.-J.
3
1988
Über die Faltung schlichter Funktionen. II. (On the convolution of schlicht functions. II). Zbl 0235.30009
Ruscheweyh, Stephan; Wirths, Karl-Joachim
3
1973
Über die Koeffizienten spezieller schlichter Polynome. Zbl 0244.30013
Ruscheweyh, St.; Wirths, K.-J.
3
1973
Punishing factors for angles. Zbl 1072.30014
Avkhadiev, Farit G.; Wirths, Karl-Joachim
3
2003
Julia’s lemma and concave schlicht functions. Zbl 1074.30013
Wirths, Karl-Joachim
3
2005
Unbounded convex polygons, Blaschke products and concave schlicht functions. Zbl 1161.30006
Bhowmik, B.; Ponnusamy, S.; Wirths, K.-J.
3
2008
On classes of meromorphic locally univalent functions defined by differential inequalities. Zbl 1439.30029
Lee, See Keong; Ponnusamy, Saminathan; Wirths, Karl-Joachim
2
2020
Sharp bounds for sums of coefficients of inverses of convex functions. Zbl 1147.30013
Avkhadiev, Farit G.; Wirths, Karl-Joachim
2
2007
On an extremum problem for Bloch functions. Zbl 0786.30024
Wirths, Karl-Joachim
2
1993
Two new extremal properties of the Koebe-function. Zbl 0413.30017
Klouth, Richard; Wirths, K.-J.
2
1980
Semi-dual functions and nonvanishing entire functions. Zbl 0797.30007
Wirths, K.-J.
2
1992
Taylor coefficients of negative powers of schlicht functions. Zbl 1032.30017
Roth, Oliver; Wirths, Karl-Joachim
2
2001
Duality for some large spaces of analytic functions. Zbl 1001.46014
Jarchow, H.; Montesinos, V.; Wirths, K. J.; Xiao, J.
2
2001
Poles near the origin produce lower bounds for coefficients of meromorphic univalent functions. Zbl 1061.30015
Avkhadiev, F. G.; Wirths, K.-J.
2
2004
On some problems of James Miller. Zbl 1218.30019
Bhowmik, B.; Ponnusamy, S.; Wirths, K.-J.
2
2010
On the sum of squares of the coefficients of Bloch functions. Zbl 1420.30015
Kayumov, I. R.; Wirths, K.-J.
2
2019
A note on Re(f(z)/z) for univalent functions. Zbl 0701.30013
Wirths, Karl-Joachim
2
1989
Telescoping estimates for smooth series. Zbl 1309.26026
Wirths, Karl Joachim
2
2015
On relations between the classes \(\mathcal {S}\) and \(\mathcal {U}\). Zbl 1362.30017
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim
2
2016
Logarithmic coefficients problems in families related to starlike and convex functions. Zbl 1440.30004
Ponnusamy, Saminathan; Sharma, Navneet Lal; Wirths, Karl-Joachim
2
2020
On Landau’s type estimates for coefficients of univalent functions. Zbl 1468.30039
Kayumov, I. R.; Khammatova, D. M.; Wirths, K.-J.
1
2020
Coefficient inequalities for Bloch functions. Zbl 1433.30060
Kayumov, I. R.; Wirths, K.-J.
1
2019
On a boundary-value problem for convex univalent functions. Zbl 0615.30010
Ruscheweyh, Stephan; Singh, Vikramatidya; Wirths, Karl-Joachim
1
1986
Koeffizientenabschätzungen für typisch-reelle Funktionen. Zbl 0467.30014
Asim, Mohammed Hakim; Wirths, Karl Joachim
1
1979
On holomorphic functions satisfying \(| f(z)|(1 - | z|^ 2)\leq 1\) in the unit disc. Zbl 0484.30001
Wirths, Karl-Joachim
1
1982
Optimal recovery of the derivative of bounded analytic functions. Zbl 0519.30032
Rivlin, T. J.; Ruscheweyh, St.; Shaffer, D.; Wirths, K. J.
1
1983
Punishing factors and Chua’s conjecture. Zbl 1129.30013
Avkhadiev, F. G.; Wirths, K.-J.
1
2007
Riemann’s mapping theorem for n-analytic functions. Zbl 0343.30007
Ruscheweyh, St.; Wirths, K.-J.
1
1976
Image areas of functions in the Dirichlet type spaces and their Möbius invariant subspaces. Zbl 0878.30027
Wirths, Karl J.; Xiao, Jie
1
1996
Bemerkungen zu einem Satz von Fejer. Zbl 0321.30006
Wirths, K.-J.
1
1975
Bounds for the Taylor coefficients of locally univalent Bloch functions. Zbl 1020.30036
Wirths, K.-J.
1
2000
A short proof of a theorem of Bertilsson by direct use of Loewner’s method. Zbl 1075.30501
Wirths, Karl-Joachim
1
2001
The Koebe domain for concave univalent functions. Zbl 1045.91009
Wirths, Karl-Joachim
1
2003
Starlike cases of the generalized Goodman conjecture. Zbl 1279.30010
Avkhadiev, F. G.; Wirths, K.-J.
1
2013
Inequalities for the coefficients of meromorphic starlike functions with nonzero pole. Zbl 1303.30012
Bhowmik, Bappaditya; Wirths, Karl-Joachim
1
2014
Estimates of the derivatives of meromorphic maps from convex domains into concave domains. Zbl 1155.30003
Avkhadiev, Farit G.; Wirths, Karl-Joachim
1
2008
The punishing factors for convex pairs are \(2^{n-1}\). Zbl 1147.30014
Avkhadiev, Farit G.; Wirths, Karl-Joachim
1
2007
On elementary bounds for \(\sum^{\infty}_{k=n}k^{-s}\). Zbl 1339.40003
Gräter, Joachim; Wirths, Karl-Joachim
1
2015
Inequalities of Carlson type for \(\alpha\)-Bloch functions. Zbl 1441.30049
Kayumov, I. R.; Wirths, Karl-Joachim
1
2020
Improved Bohr’s phenomenon in quasi-subordination classes. Zbl 1475.30005
Ponnusamy, Saminathan; Vijayakumar, Ramakrishnan; Wirths, Karl-Joachim
6
2022
New inequalities for the coefficients of unimodular bounded functions. Zbl 1442.30003
Ponnusamy, Saminathan; Vijayakumar, Ramakrishnan; Wirths, Karl-Joachim
17
2020
Bohr type inequalities for functions with a multiple zero at the origin. Zbl 1461.30004
Ponnusamy, S.; Wirths, K.-J.
5
2020
On classes of meromorphic locally univalent functions defined by differential inequalities. Zbl 1439.30029
Lee, See Keong; Ponnusamy, Saminathan; Wirths, Karl-Joachim
2
2020
Logarithmic coefficients problems in families related to starlike and convex functions. Zbl 1440.30004
Ponnusamy, Saminathan; Sharma, Navneet Lal; Wirths, Karl-Joachim
2
2020
On Landau’s type estimates for coefficients of univalent functions. Zbl 1468.30039
Kayumov, I. R.; Khammatova, D. M.; Wirths, K.-J.
1
2020
Inequalities of Carlson type for \(\alpha\)-Bloch functions. Zbl 1441.30049
Kayumov, I. R.; Wirths, Karl-Joachim
1
2020
Analogues to Landau’s inequality for nonvanishing bounded functions and for Bloch functions. Zbl 1421.30074
Kayumov, I. R.; Wirths, K.-J.
5
2019
Coefficients problems for Bloch functions. Zbl 1430.30017
Kayumov, I. R.; Wirths, K.-J.
4
2019
On the sum of squares of the coefficients of Bloch functions. Zbl 1420.30015
Kayumov, I. R.; Wirths, K.-J.
2
2019
Coefficient inequalities for Bloch functions. Zbl 1433.30060
Kayumov, I. R.; Wirths, K.-J.
1
2019
Logarithmic coefficients and a coefficient conjecture for univalent functions. Zbl 1400.30027
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim
14
2018
Elementary considerations for classes of meromorphic univalent functions. Zbl 1401.30026
Ponnusamy, S.; Wirths, K.-J.
5
2018
Coefficient problems on the class \(U(\lambda)\). Zbl 1427.30029
Ponnusamy, Saminathan; Wirths, Karl-Joachim
4
2018
Logarithmic coefficients of the inverse of univalent functions. Zbl 1404.30023
Ponnusamy, Saminathan; Sharma, Navneet Lal; Wirths, Karl-Joachim
4
2018
Geometric studies on the class \(\mathcal U(\lambda)\). Zbl 1348.30009
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim
21
2016
On relations between the classes \(\mathcal {S}\) and \(\mathcal {U}\). Zbl 1362.30017
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim
2
2016
Integral means and Dirichlet integral for analytic functions. Zbl 1309.30019
Obradović, Milutin; Ponnusamy, S.; Wirths, Karl-Joachim
7
2015
Telescoping estimates for smooth series. Zbl 1309.26026
Wirths, Karl Joachim
2
2015
On elementary bounds for \(\sum^{\infty}_{k=n}k^{-s}\). Zbl 1339.40003
Gräter, Joachim; Wirths, Karl-Joachim
1
2015
On the problem of Gromova and Vasil’ev on integral means, and Yamashita’s conjecture for spirallike functions. Zbl 1295.30042
Ponnusamy, Saminathan; Wirths, Karl-Joachim
10
2014
Where is \(f (z) / f'(z)\) univalent? Zbl 1336.30018
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim
3
2014
Inequalities for the coefficients of meromorphic starlike functions with nonzero pole. Zbl 1303.30012
Bhowmik, Bappaditya; Wirths, Karl-Joachim
1
2014
Coefficient characterizations and sections for some univalent functions. Zbl 1283.30047
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim
20
2013
A proof of Yamashita’s conjecture on area integral. Zbl 1283.30031
Obradović, Milutin; Ponnusamy, Saminathan; Wirths, Karl-Joachim
10
2013
Starlike cases of the generalized Goodman conjecture. Zbl 1279.30010
Avkhadiev, F. G.; Wirths, K.-J.
1
2013
On the best constants for the Brezis-Marcus inequalities in balls. Zbl 1259.26025
Avkhadiev, F. G.; Wirths, K. J.
10
2012
On the Fekete-Szegö problem for concave univalent functions. Zbl 1202.30015
Bhowmik, B.; Ponnusamy, S.; Wirths, K.-J.
28
2011
Sharp Hardy-type inequalities with Lamb’s constant. Zbl 1237.26014
Avkhadiev, F. G.; Wirths, K.-J.
27
2011
Weighted Hardy inequalities with sharp constants. Zbl 1254.26031
Avkhadiev, F. G.; Wirths, K.-J.
18
2010
Characterization and the pre-Schwarzian norm estimate for concave univalent functions. Zbl 1201.30008
Bhowmik, Bappaditya; Ponnusamy, Saminathan; Wirths, Karl-Joachim
7
2010
On some problems of James Miller. Zbl 1218.30019
Bhowmik, B.; Ponnusamy, S.; Wirths, K.-J.
2
2010
Schwarz-Pick type inequalities. Zbl 1168.30001
Avkhadiev, Farit G.; Wirths, Karl-Joachim
43
2009
Concave functions, Blaschke products, and polygonal mappings. Zbl 1224.30035
Bhowmik, Bappaditya; Ponnusamy, Saminathan; Wirths, Karl-Joachim
4
2009
Unbounded convex polygons, Blaschke products and concave schlicht functions. Zbl 1161.30006
Bhowmik, B.; Ponnusamy, S.; Wirths, K.-J.
3
2008
Estimates of the derivatives of meromorphic maps from convex domains into concave domains. Zbl 1155.30003
Avkhadiev, Farit G.; Wirths, Karl-Joachim
1
2008
Unified Poincaré and Hardy inequalities with sharp constants for convex domains. Zbl 1145.26005
Avkhadiev, F. G.; Wirths, K.-J.
46
2007
A proof of the Livingston conjecture. Zbl 1109.30021
Avkhadiev, Farit G.; Wirths, Karl-Joachim
15
2007
Domains of variability of Laurent coefficients and the convex hull for the family of concave univalent functions. Zbl 1148.30006
Bhowmik, Bappaditya; Ponnusamy, Saminathan; Wirths, Karl-Joachim
7
2007
Subordination under concave univalent functions. Zbl 1129.30004
Avkhadiev, F. G.; Wirths, K.-J.
3
2007
Sharp bounds for sums of coefficients of inverses of convex functions. Zbl 1147.30013
Avkhadiev, Farit G.; Wirths, Karl-Joachim
2
2007
Punishing factors and Chua’s conjecture. Zbl 1129.30013
Avkhadiev, F. G.; Wirths, K.-J.
1
2007
The punishing factors for convex pairs are \(2^{n-1}\). Zbl 1147.30014
Avkhadiev, Farit G.; Wirths, Karl-Joachim
1
2007
Sharp inequalities for the coefficients of concave schlicht functions. Zbl 1210.30005
Avkhadiev, F. G.; Pommerenke, Ch.; Wirths, K.-J.
21
2006
On the residuum of concave univalent functions. Zbl 1164.30355
Wirths, K.-J.
5
2006
Punishing factors for finitely connected domains. Zbl 1094.30026
Avkhadiev, F. G.; Wirths, K.-J.
5
2006
Concave schlicht functions with bounded opening angle at infinity. Zbl 1071.30005
Avkhadiev, F. G.; Wirths, K.-J.
11
2005
The conformal radius as a function and its gradient image. Zbl 1096.30013
Avkhadiev, F. G.; Wirths, K.-J.
8
2005
Julia’s lemma and concave schlicht functions. Zbl 1074.30013
Wirths, Karl-Joachim
3
2005
On the coefficients of concave univalent functions. Zbl 1149.30013
Avkhadiev, Farit G.; Pommerenke, Christian; Wirths, Karl-Joachim
14
2004
Schwarz-Pick inequalities for hyperbolic domains in the extended plane. Zbl 1066.30025
Avkhadiev, Farit G.; Wirths, Karl-Joachim
8
2004
A proof of the Livingston conjecture for the fourth and the fifth coefficient of concave univalent functions. Zbl 1058.30018
Wirths, Karl-Joachim
4
2004
Poles near the origin produce lower bounds for coefficients of meromorphic univalent functions. Zbl 1061.30015
Avkhadiev, F. G.; Wirths, K.-J.
2
2004
Schwarz-Pick inequalities for derivatives of arbitrary order. Zbl 1018.30018
Avkhadiev, F. G.; Wirths, K.-J.
17
2003
Punishing factors for angles. Zbl 1072.30014
Avkhadiev, Farit G.; Wirths, Karl-Joachim
3
2003
The Koebe domain for concave univalent functions. Zbl 1045.91009
Wirths, Karl-Joachim
1
2003
Convex holes produce lower bounds for coefficients. Zbl 1028.30010
Avkhadiev, F. G.; Wirths, K.-J.
15
2002
Global integral criteria for composition operators. Zbl 1015.30017
Wirths, K.-J.; Xiao, J.
6
2002
Recognizing \(\mathfrak{Q}_{p,0}\) functions per Dirichlet space structure. Zbl 0989.30024
Wirths, K. J.; Xiao, J.
15
2001
Taylor coefficients of negative powers of schlicht functions. Zbl 1032.30017
Roth, Oliver; Wirths, Karl-Joachim
2
2001
Duality for some large spaces of analytic functions. Zbl 1001.46014
Jarchow, H.; Montesinos, V.; Wirths, K. J.; Xiao, J.
2
2001
A short proof of a theorem of Bertilsson by direct use of Loewner’s method. Zbl 1075.30501
Wirths, Karl-Joachim
1
2001
An image-area inequality for some planar holomorphic maps. Zbl 0954.30017
Wirths, K. J.; Xiao, J.
11
2000
Bounds for the Taylor coefficients of locally univalent Bloch functions. Zbl 1020.30036
Wirths, K.-J.
1
2000
Image areas of functions in the Dirichlet type spaces and their Möbius invariant subspaces. Zbl 0878.30027
Wirths, Karl J.; Xiao, Jie
1
1996
On an extremum problem for Bloch functions. Zbl 0786.30024
Wirths, Karl-Joachim
2
1993
Semi-dual functions and nonvanishing entire functions. Zbl 0797.30007
Wirths, K.-J.
2
1992
A note on Re(f(z)/z) for univalent functions. Zbl 0701.30013
Wirths, Karl-Joachim
2
1989
Coefficient bounds for convex functions of bounded type. Zbl 0655.30014
Wirths, K.-J.
3
1988
Normal families of gap power series. Zbl 0623.30044
Ruscheweyh, St.; Wirths, K.-J.
5
1986
On a boundary-value problem for convex univalent functions. Zbl 0615.30010
Ruscheweyh, Stephan; Singh, Vikramatidya; Wirths, Karl-Joachim
1
1986
On an extremal problem for bounded polynomials. Zbl 0602.41005
Ruscheweyh, Stephan; Wirths, Karl-Joachim
3
1985
Extreme Bloch functions with many critical points. Zbl 0561.30023
Ruscheweyh, St.; Wirths, K. J.
4
1984
Optimal recovery of the derivative of bounded analytic functions. Zbl 0519.30032
Rivlin, T. J.; Ruscheweyh, St.; Shaffer, D.; Wirths, K. J.
1
1983
On extreme Bloch functions with prescribed critical points. Zbl 0482.30023
Ruscheweyh, Stephan; Wirths, Karl-Joachim
11
1982
On holomorphic functions satisfying \(| f(z)|(1 - | z|^ 2)\leq 1\) in the unit disc. Zbl 0484.30001
Wirths, Karl-Joachim
1
1982
Two new extremal properties of the Koebe-function. Zbl 0413.30017
Klouth, Richard; Wirths, K.-J.
2
1980
Koeffizientenabschätzungen für typisch-reelle Funktionen. Zbl 0467.30014
Asim, Mohammed Hakim; Wirths, Karl Joachim
1
1979
Über holomorphe Funktionen, die einer Wachstumsbeschränkung unterliegen. Zbl 0373.30016
Wirths, Karl-Joachim
10
1978
Riemann’s mapping theorem for n-analytic functions. Zbl 0343.30007
Ruscheweyh, St.; Wirths, K.-J.
1
1976
Über totalmonotone Zahlenfolgen. Zbl 0313.30009
Wirths, Karl-Joachim
12
1975
Bemerkungen zu einem Satz von Fejer. Zbl 0321.30006
Wirths, K.-J.
1
1975
Über die Faltung schlichter Funktionen. II. (On the convolution of schlicht functions. II). Zbl 0235.30009
Ruscheweyh, Stephan; Wirths, Karl-Joachim
3
1973
Über die Koeffizienten spezieller schlichter Polynome. Zbl 0244.30013
Ruscheweyh, St.; Wirths, K.-J.
3
1973
Verallgemeinerungen eines Maximumprinzips. Zbl 0239.30013
Wirths, Karl-Joachim
6
1971
all top 5

Cited by 302 Authors

44 Avkhadiev, Farit Gabidinovich
44 Wirths, Karl-Joachim
41 Ponnusamy, Saminathan
18 Bhowmik, Bappaditya
17 Nasibullin, Ramil Gaisa’evich
13 Obradović, Milutin
10 Sugawa, Toshiyuki
9 Kayumov, Il’giz Rifatovich
9 Ruscheweyh, Stephan
9 Sahoo, Swadesh Kumar
7 Shafigullin, Il’nar Kasyĭmovich
6 Chen, Shaolin
5 Das, Nilanjan
5 Kazantsev, Andreĭ Vital’evich
5 Maharana, Sudhananda
5 Prajapat, Jugal Kishore
5 Rasila, Antti
5 Vasudevarao, Allu
5 Xu, Qinghua
4 Aksent’ev, Leonid Aleksandrovich
4 Arora, Vibhuti
4 Grahl, Jürgen
4 Li, Liulan
4 Liu, Taishun
4 Liu, Yang
4 Makarov, R. V.
4 Mejía, Diego Alejandro
4 Parveen, Firdoshi
4 Sharma, Navneet Lal
4 Stević, Stevo
4 Todorov, Pavel Georgiev
4 Tuneski, Nikola
4 Xiao, Jie
3 Adegani, Ebrahim Analouei
3 Agrawal, Sarita
3 Ahamed, Molla Basir
3 Akhmetova, A. N.
3 Ali, Md Firoz
3 Allu, Vasudevarao
3 Andrievskii, Vladimir V.
3 Arbeláez, Hugo
3 Chen, Zhihua
3 Cho, Nak Eun
3 El-Fallah, Omar
3 Galanopoulos, Petros
3 Kasten, Volker
3 Kowalczyk, Bogumiła
3 Laptev, Ari
3 Lecko, Adam
3 Liu, Mingsheng
3 Ohno, Rintaro
3 Wang, Jianfei
2 Ali, Rosihan Mohamed
2 Alimohammadi, Davood
2 Altinkaya, Şahsene
2 Arango, Juan H.
2 Bonk, Mario
2 Bulboacă, Teodor
2 Contreras, Manuel D.
2 Cruz, Lorena
2 Ebadian, Ali
2 Graf, Sergey Yu.
2 Halder, Himadri
2 Hamada, Hidetaka
2 Huang, Yong
2 Kargar, Rahim
2 Kellay, Karim
2 Khammatova, Diana M.
2 Kim, Seong-A
2 Kovařík, Hynek
2 Kumar, Shankey
2 Laitila, Jussi
2 Lam, Nguyen
2 Lu, Guozhen
2 Majee, Santana
2 Martín, María J.
2 Mehrez, Khaled
2 Merchán, Noel
2 Nasyrov, Semen R.
2 Peng, Zhigang
2 Pommerenke, Christian
2 Qiao, Jinjing
2 Ravichandran, Vaithiyanathan
2 Roth, Oliver
2 Salinas, Luis Carrasco
2 Schmieder, Gerald
2 Shabalin, Pavel Leonidovich
2 Tripathy, Binod Chandra
2 Vukotić, Dragan
2 Vuorinen, Matti Keijo Kustaa
2 Wang, Xiantao
2 Xiong, Liangpeng
2 Yamashita, Shinji
2 Ye, Shanli
2 Zhang, Lu
1 Aaisha Farzana, Habibullah
1 Abu-Muhanna, Yusuf
1 Ahmed, Ahmed El-Sayed
1 Alkhaleefah, Seraj A.
1 Anderson, James Milne
...and 202 more Authors
all top 5

Cited in 113 Serials

24 Journal of Mathematical Analysis and Applications
21 Lobachevskii Journal of Mathematics
20 Computational Methods and Function Theory
18 Russian Mathematics
11 Journal of Functional Analysis
8 Monatshefte für Mathematik
8 Proceedings of the American Mathematical Society
8 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
8 Complex Variables and Elliptic Equations
7 Results in Mathematics
6 The Journal of Analysis
6 Complex Analysis and Operator Theory
6 Ufimskiĭ Matematicheskiĭ Zhurnal
6 Analysis and Mathematical Physics
5 Journal d’Analyse Mathématique
5 Archiv der Mathematik
5 Acta Mathematica Sinica. English Series
5 Mediterranean Journal of Mathematics
4 International Journal of Mathematics and Mathematical Sciences
4 Mathematische Nachrichten
4 Mathematische Zeitschrift
4 Journal of Mathematical Sciences (New York)
4 Journal of the Australian Mathematical Society
4 Journal of Classical Analysis
3 Israel Journal of Mathematics
3 Rocky Mountain Journal of Mathematics
3 Siberian Mathematical Journal
3 Zeitschrift für Analysis und ihre Anwendungen
3 Filomat
3 Abstract and Applied Analysis
3 Problemy Analiza. Issues of Analysis
3 Journal of Function Spaces
2 Bulletin of the Australian Mathematical Society
2 Mathematical Notes
2 Advances in Mathematics
2 Czechoslovak Mathematical Journal
2 Integral Equations and Operator Theory
2 Journal of Computational and Applied Mathematics
2 Mathematica Slovaca
2 Michigan Mathematical Journal
2 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
2 Acta Mathematica Hungarica
2 Bulletin of the Iranian Mathematical Society
2 Bulletin des Sciences Mathématiques
2 Journal of Inequalities and Applications
2 Communications of the Korean Mathematical Society
2 Comptes Rendus. Mathématique. Académie des Sciences, Paris
2 Frontiers of Mathematics in China
2 Journal of Mathematical Inequalities
2 Asian-European Journal of Mathematics
2 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
2 Annales Fennici Mathematici
1 Mathematische Semesterberichte
1 Russian Mathematical Surveys
1 Arkiv för Matematik
1 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg
1 Applied Mathematics and Computation
1 Collectanea Mathematica
1 Demonstratio Mathematica
1 Illinois Journal of Mathematics
1 Journal of Approximation Theory
1 Journal of the Korean Mathematical Society
1 Kodai Mathematical Journal
1 Mathematica Scandinavica
1 Proceedings of the Edinburgh Mathematical Society. Series II
1 Proceedings of the Japan Academy. Series A
1 Tohoku Mathematical Journal. Second Series
1 Transactions of the American Mathematical Society
1 Bulletin of the Korean Mathematical Society
1 Chinese Annals of Mathematics. Series B
1 Revista Matemática Iberoamericana
1 Applied Mathematics Letters
1 Forum Mathematicum
1 The Journal of Geometric Analysis
1 Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences
1 Journal de Mathématiques Pures et Appliquées. Neuvième Série
1 Proceedings of the Indian Academy of Sciences. Mathematical Sciences
1 Expositiones Mathematicae
1 Indagationes Mathematicae. New Series
1 Annales de la Faculté des Sciences de Toulouse. Mathématiques. Série VI
1 Potential Analysis
1 Calculus of Variations and Partial Differential Equations
1 Applied and Computational Harmonic Analysis
1 St. Petersburg Mathematical Journal
1 Turkish Journal of Mathematics
1 Advances in Applied Clifford Algebras
1 Boletín de la Sociedad Matemática Mexicana. Third Series
1 Electronic Communications in Probability
1 Sbornik: Mathematics
1 Izvestiya: Mathematics
1 Annales Academiae Scientiarum Fennicae. Mathematica
1 Matematicheskie Trudy
1 Journal of Mathematical Fluid Mechanics
1 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics
1 Analysis (München)
1 Proceedings of the National Academy of Sciences, India. Section A. Physical Sciences
1 Bulletin of the Brazilian Mathematical Society. New Series
1 Vladikavkazskiĭ Matematicheskiĭ Zhurnal
1 Sibirskie Èlektronnye Matematicheskie Izvestiya
1 Boundary Value Problems
...and 13 more Serials

Citations by Year