Suchergebnisse - Coefficient problems for univalent and multivalent functions of one complex variable*

Convolution Results for Subclasses of Multivalent Meromorphic Functions of Complex Order Involving an Integral Operator: Convolution results for subclasses of multivalent meromorphic functions of complex order involving an integral operator

Autoren: Saleh, Zeinab M. Mostafa, Adela O. Madian, Samer M.

Quelle: Electronic Journal of Mathematical Analysis and Applications. 13:1-7

Schlagwörter: Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), Hadamard product, Coefficient problems for univalent and multivalent functions of one complex variable, coefficient estimates, General theory of univalent and multivalent functions of one complex variable, subordination, meromorphic multivalent functions, integral operator

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/8036657
https://doi.org/10.21608/ejmaa.2025.355261.1315

A new subclass of bi-univalent functions of complex order defined by the symmetric q-derivative and subordination: A new subclass of bi-univalent functions of complex order defined by the symmetric \(q\)-derivative and subordination

Autoren: El-Ityan, Mohammad Al-Hawary, Tariq Hammad, Suha et al.

Quelle: Gulf Journal of Mathematics. 19:111-120

Schlagwörter: Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), Fekete-Szegő problem, Coefficient problems for univalent and multivalent functions of one complex variable, a new class of anlytic functions, coefficient bounds

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Zugangs-URL: https://zbmath.org/8031453
https://doi.org/10.56947/gjom.v19i2.2649

Sharp inequalities for Zalcman functional of logarithmic coefficients of inverse functions in certain classes of analytic functions

Autoren: Lecko, A. Śmiarowska, Barbara

Quelle: Journal of Mathematical Inequalities. :81-97

Schlagwörter: Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), convex functions, functions of bounded turning, Hankel determinant, Coefficient problems for univalent and multivalent functions of one complex variable, coefficient estimates, star-like functions

Dateibeschreibung: application/xml

Univalent functions convex in one direction

Autoren: Royster, W. C. Ziegler, M.

Quelle: Publicationes Mathematicae Debrecen. 23:339-345

Schlagwörter: Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), Coefficient problems for univalent and multivalent functions of one complex variable, 0101 mathematics, 01 natural sciences

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/3569002

Applications of Babalola q-convolution operator on subclass of analytic functions: Applications of Babalola \(q\)-convolution operator on subclass of analytic functions

Autoren: Timilehin Gideon Shaba Saravanan Gunasekar Afis Saliu et al.

Quelle: Journal of Inequalities and Applications, Vol 2025, Iss 1, Pp 1-21 (2025)

Schlagwörter: Toeplitz determinant, coefficient inequalities, Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), \(q\)-Babalola convolution operator, analytic functions, Binomial coefficients, factorials, \(q\)-identities, Coefficient problems for univalent and multivalent functions of one complex variable, Maximum principle, Schwarz's lemma, Lindelöf principle, analogues and generalizations, subordination, Linear operators on function spaces (general), Analytic functions, QA1-939, q-Babalola convolution operator, Coefficient inequalities, Mathematics

Dateibeschreibung: application/xml

Zugangs-URL: https://doaj.org/article/9689ec3ee29e41b8a15cd48a645f76aa

Analytical and geometrical approach to the generalized Bessel function

Autoren: Teodor Bulboacă Hanaa M. Zayed

Quelle: Journal of Inequalities and Applications, Vol 2024, Iss 1, Pp 1-17 (2024)

Schlagwörter: convex functions, Convex functions, General theory of univalent and multivalent functions of one complex variable, Pochhammer symbol, Analytic, convolution product, 01 natural sciences, Univalent, Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), Coefficient problems for univalent and multivalent functions of one complex variable, Starlike, QA1-939, analytic, generalized Bessel function, Spaces of bounded analytic functions of one complex variable, starlike, Convolution product, Bessel and Airy functions, cylinder functions, \({}_0F_1\), 0101 mathematics, Mathematics, univalent

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/7861746
https://doi.org/10.1186/s13660-024-03117-1
https://doaj.org/article/f0ad9c2cfa854276a64b725103db783f

Certain subclass of harmonic univalent functions defined by q-differential operator

Autoren: Birajdar, Gajanan M. Sangle, Naveneet D.

Quelle: Serdica Mathematical Journal. 48

Schlagwörter: Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), harmonic, Mathematics - Complex Variables, Coefficient problems for univalent and multivalent functions of one complex variable, FOS: Mathematics, 30C45, 30C50, 0101 mathematics, Complex Variables (math.CV), 01 natural sciences, univalent, Salagean q-differential operator

Dateibeschreibung: application/xml

Zugangs-URL: http://arxiv.org/abs/2209.04707

On the Coefficient Problem for Univalent Functions: On the coefficient problem for univalent functions

Autoren: V. G. Sheretov

Quelle: Siberian Mathematical Journal. 43:379-387

Schlagwörter: Coefficient problems for univalent and multivalent functions of one complex variable, 0101 mathematics, Bieberbach conjecture, schlicht function, 01 natural sciences

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Zugangs-URL: https://zbmath.org/1882382
https://link.springer.com/content/pdf/10.1023/A:1014713609268.pdf
https://link.springer.com/article/10.1023/A:1014713609268

Typically real polynomials

Autoren: Royster, Wimberley Calvin Suffridge, Teddy J. Uniwersytet Marii Curie-Skłodowskiej (Lublin)

Weitere Verfasser: Royster, Wimberley Calvin Suffridge, Teddy J. Uniwersytet Marii Curie-Skłodowskiej (Lublin)

Quelle: Publicationes Mathematicae Debrecen. 17:307-312

Schlagwörter: Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), Coefficient problems for univalent and multivalent functions of one complex variable, Polynomials and rational functions of one complex variable, 0103 physical sciences, matematyka, Conformal mappings of special domains, 01 natural sciences

Dateibeschreibung: application/xml; application/pdf

Zugangs-URL: https://zbmath.org/3386021
https://zbmath.org/3372360

Horadam Polynomials and a Class of Biunivalent Functions Defined by Ruscheweyh Operator: Horadam polynomials and a class of biunivalent functions defined by Ruscheweyh operator

Autoren: Waleed Al-Rawashdeh

Quelle: International Journal of Mathematics and Mathematical Sciences, Vol 2023 (2023)

Schlagwörter: Fekete-Szegő inequality, Artificial intelligence, Class (philosophy), Univalent Functions, class of analytic functions, Operator (biology), Biochemistry, Gene, Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), QA1-939, FOS: Mathematics, Complex Analysis and Operator Theory, Algebra over a field, Applied Mathematics, 4. Education, Geometric Function Theory and Complex Analysis, Pure mathematics, Discrete mathematics, 16. Peace & justice, Computer science, Chemistry, Combinatorics, Coefficient problems for univalent and multivalent functions of one complex variable, Physical Sciences, Repressor, coefficient estimates, Geometry and Topology, Transcription factor, Mathematics

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Zugangs-URL: https://doaj.org/article/481502bf18b3465087ef1a8553bf873c

On the coefficients of concave univalent functions

Autoren: Avkhadiev F. Pommerenke C. Wirths K.

Quelle: SCOPUS0025584X-2004-271-SID4644352419

Schlagwörter: Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), convex functions, Taylor coefficients, Extremal problems for conformal and quasiconformal mappings, other methods, Coefficient problems for univalent and multivalent functions of one complex variable, Maximum principle, Schwarz's lemma, Lindelöf principle, analogues and generalizations, subordination, Schlicht functions, Concave univalent functions, 16. Peace & justice, coefficient inequalities

Dateibeschreibung: application/xml

Zugangs-URL: https://openrepository.ru/article?id=172440
https://openrepository.ru/article?id=129308
https://onlinelibrary.wiley.com/doi/abs/10.1002/mana.200310177

A proof of the Livingston conjecture for the fourth and the fifth coefficient of concave univalent functions

Autoren: Karl-Joachim Wirths

Quelle: Annales Polonici Mathematici. 83:87-93

Schlagwörter: Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), Coefficient problems for univalent and multivalent functions of one complex variable, concave univalent functions, Livingston conjecture, 0101 mathematics, 01 natural sciences

Dateibeschreibung: application/xml

Zugangs-URL: https://www.impan.pl/shop/publication/transaction/download/product/84486?download.pdf
https://zbmath.org/2120220
https://doi.org/10.4064/ap83-1-10
https://eudml.org/doc/280198
https://www.impan.pl/pl/wydawnictwa/czasopisma-i-serie-wydawnicze/annales-polonici-mathematici/all/83/1/84486/a-proof-of-the-livingston-conjecture-for-the-fourth-and-the-fifth-coefficient-of-concave-univalent-functions
http://yadda.icm.edu.pl/yadda/element/bwmeta1.element.bwnjournal-article-doi-10_4064-ap83-1-10

A subclass of harmonic univalent functions with negative coefficients: A subclass of harmonic univalent functions with negative coefficients.

Autoren: Karpuzogullari, Sibel Yamankaradeniz, M Ozturk, M

Quelle: Applied Mathematics and Computation. 142:469-476

Schlagwörter: Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), Coefficient problems for univalent and multivalent functions of one complex variable, harmonic univalent mappings, 0101 mathematics, 01 natural sciences

Dateibeschreibung: application/xml

Zugangs-URL: https://avesis.uludag.edu.tr/publication/details/50a027a0-002a-42df-9e27-566684fb24db/oai

On the Coefficients of Some Subclasses of Univalent Functions: On the coefficients of some subclasses of univalent functions

Autoren: H. E. Darwish

Quelle: Southeast Asian Bulletin of Mathematics. 25:75-86

Schlagwörter: Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), 0209 industrial biotechnology, extremal problems, Coefficient problems for univalent and multivalent functions of one complex variable, 0103 physical sciences, subclasses of univalent functions, 02 engineering and technology, 01 natural sciences

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/1642152
https://doi.org/10.1007/s10012-001-0075-4
https://rd.springer.com/article/10.1007/s10012-001-0075-4
https://link.springer.com/article/10.1007/s10012-001-0075-4

Sharp Estimates for the Coefficients of the Inverse Functions of the Nevanlinna Univalent Functions of the Classes N1 and N2: Sharp estimates for the coefficients of the inverse functions of the Nevanlinna univalent functions of the classes \(N_1\) and \(N_2\)

Autoren: P. G. Todorov

Quelle: Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg. 68:91-102

Schlagwörter: sharp estimates, Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), Coefficient problems for univalent and multivalent functions of one complex variable, Extremal problems for conformal and quasiconformal mappings, variational methods, variational formulas, Nevanlinna univalent functions, 0101 mathematics, 01 natural sciences

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/1416681
https://doi.org/10.1007/bf02942553
https://link.springer.com/article/10.1007/BF02942553

Inequalities for Some Coefficients of Univalent Functions: Inequalities for some coefficients of univalent functions

Autoren: Jian-Lin Li Yu-Lin Zhang Hari M. Srivastava

Quelle: Mathematical Inequalities & Applications. :207-221

Schlagwörter: de Branges' theorem, Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), Abel transformation, Millin conjectures, Coefficient problems for univalent and multivalent functions of one complex variable, de Branges theorem, Inequalities in the complex plane, Bazilevich conjecture, 0101 mathematics, coefficient inequalities, Bieberbach conjecture, 01 natural sciences

Dateibeschreibung: application/xml

Zugangs-URL: http://files.ele-math.com/abstracts/mia-02-19-abs.pdf

Constraint coefficient problems for a subclass of starlike functions

Autoren: Samaris, N. Koulorizos, P.

Quelle: Publicationes Mathematicae Debrecen. 56:63-76

Schlagwörter: Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), starlike functions, coefficient problems, Carathéodory-Toeplitz conditions, Coefficient problems for univalent and multivalent functions of one complex variable, 0101 mathematics, 01 natural sciences

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/1446816

The Landau problem for nonvanishing functions with real coefficients

Autoren: Philippos Koulorizos Nikolas Samaris

Quelle: Journal of Computational and Applied Mathematics. 139:129-139

Schlagwörter: the Landau problem, Computational Mathematics, Coefficient problems for univalent and multivalent functions of one complex variable, Applied Mathematics, Real coefficient nonvanishing function, 0101 mathematics, The Landau problem, 01 natural sciences, real coefficient nonvanishing function

Dateibeschreibung: application/xml

Zugangs-URL: https://www.sciencedirect.com/science/article/pii/S0377042701003867
http://ui.adsabs.harvard.edu/abs/2002JCoAM.139..129K/abstract

On the coefficients of small univalent functions

Autoren: Brad Osgood Martin Chuaqui Ch. Pommerenke

Quelle: Results in Mathematics. 33:79-86

Schlagwörter: 0301 basic medicine, Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), 03 medical and health sciences, Coefficient problems for univalent and multivalent functions of one complex variable, 0101 mathematics, 01 natural sciences

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/1140107
https://doi.org/10.1007/bf03322071
https://link.springer.com/content/pdf/10.1007/BF03322071.pdf
https://link.springer.com/article/10.1007/BF03322071

COEFFICIENT ESTIMATES FOR BOUNDED STARLIKE FUNCTIONS OF COMPLEX ORDER: Coefficient estimates for bounded starlike functions of complex order

Autoren: M. K. Aouf

Quelle: Tamkang Journal of Mathematics. 25:113-123

Schlagwörter: Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.), Coefficient problems for univalent and multivalent functions of one complex variable, coefficient estimates, 0101 mathematics, 01 natural sciences

Dateibeschreibung: application/xml

Zugangs-URL: https://journals.math.tku.edu.tw/index.php/TKJM/article/download/4433/1486
https://zbmath.org/683327