Edit Profile (opens in new tab) Schaeffer, Albert Charles Co-Author Distance Author ID: schaeffer.albert-charles Published as: Schaeffer, A. C. External Links: MGP · Wikidata · GND · IdRef Documents Indexed: 46 Publications since 1937, including 1 Book Biographic References: 1 Publication Co-Authors: 6 Co-Authors with 33 Joint Publications 169 Co-Co-Authors all top 5 Co-Authors 13 single-authored 15 Duffin, Richard James 10 Spencer, Donald Clayton 4 Szegő, Gábor 3 Boas, Ralph Philip jun. 1 Forsythe, George E. 1 Grad, Arthur 1 Schiffer, Menahem Max all top 5 Serials 11 Bulletin of the American Mathematical Society 10 Duke Mathematical Journal 8 Transactions of the American Mathematical Society 6 American Journal of Mathematics 3 Proceedings of the National Academy of Sciences of the United States of America 1 Illinois Journal of Mathematics 1 Pacific Journal of Mathematics 1 Journal of Mathematics and Mechanics 1 Scripta Mathematica 1 Annals of Mathematics Studies 1 Colloquium Publications. American Mathematical Society Fields 4 Functions of a complex variable (30-XX) 1 Number theory (11-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 35 Publications have been cited 1,418 times in 1,375 Documents Cited by ▼ Year ▼ A class of nonharmonic Fourier series. Zbl 0049.32401 Duffin, R. J.; Schaeffer, A. C. 951 1952 Khintchine’s problem in metric diophantine approximation. Zbl 0025.11002 Duffin, R. J.; Schaeffer, A. C. 62 1941 Inequalities of A. Markoff and S. Bernstein for polynomials and related functions. Zbl 0027.05205 Schaeffer, A. C. 57 1941 Coefficient regions for schlicht functions. Zbl 0049.06003 Schaeffer, A. C.; Spencer, D. C. 49 1952 A refinement of an inequality of the brothers Markoff. Zbl 0025.31403 Duffin, R. J.; Schaeffer, A. C. 35 1941 Power series with bounded coefficients. Zbl 0060.20903 Duffin, R. J.; Schaeffer, A. C. 31 1945 Coefficient regions for schlicht functions. With a chapter on the region of values of the derivative of a schlicht functions by Arthur Grad. Zbl 0066.05701 Schaeffer, A. C.; Spencer, D. C. 30 1950 The coefficients of schlicht functions. Zbl 0060.20404 Schaeffer, A. C.; Spencer, D. C. 26 1943 Khintchine’s problem in metric diophantine approximation. JFM 67.0145.03 Duffin, R. J.; Schaeffer, A. C. 24 1941 Some properties of functions of exponential type. Zbl 0018.40901 Duffin, Richard; Schaeffer, A. C. 22 1938 The coefficients of schlicht functions. II. Zbl 0063.06763 Schaeffer, A. C.; Spencer, D. C. 14 1945 A refinement of an inequality of the brothers Markoff. JFM 67.0213.02 Duffin, R. J.; Schaeffer, A. C. 11 1941 Inequalities of A. Markoff and S. Bernstein for polynomials and related functions. JFM 67.1001.02 Schaeffer, A. C. 11 1941 Some inequalities concerning functions of exponential type. Zbl 0017.36303 Duffin, R. J.; Schaeffer, A. C. 11 1937 The Fourier-Stieltjes coefficients of a function of bounded variation. Zbl 0022.35401 Schaeffer, A. C. 10 1939 The coefficient regions of schlicht functions. Zbl 0041.40903 Schaeffer, A. C.; Schiffer, M.; Spencer, D. C. 9 1949 Existence theorem for the flow of an ideal incompressible fluid in two dimensions. Zbl 0018.12902 Schaeffer, A. C. 8 1937 On some inequalities of S. Bernstein and W. Markoff for derivatives of polynomials. Zbl 0018.39503 Schaeffer, A. C.; Duffin, R. J. 8 1938 Power series and Peano curves. Zbl 0056.29402 Schaeffer, A. C. 6 1954 Some properties of functions of exponential type. JFM 64.0298.01 Duffin, R.; Schaeffer, A. C. 5 1938 Variational methods in entire functions. Zbl 0085.05304 Boas, R. P. jun.; Schaeffer, A. C. 4 1957 Entire functions and trigonometric polynomials. Zbl 0052.07901 Schaeffer, A. C. 4 1953 Inequalities for harmonic polynomials in two and three dimensions. JFM 67.1001.03 Schaeffer, A. C.; Szegö, G. 3 1941 A variational method in conformal mapping. Zbl 0029.25902 Schaeffer, A. C.; Spencer, D. C. 3 1947 On some inequalities of S. Bernstein and W. Markoff for derivatives of polynomials. JFM 64.0327.03 Schaeffer, A. C.; Duffin, R. J. 3 1938 A theorem of Cartwright. Zbl 0060.22202 Boas, R. P. jun.; Schaeffer, A. C. 3 1942 Functions whose Fourier-Stieltjes coefficients approach zero. Zbl 0033.26201 Duffin, R. J.; Schaeffer, A. C. 2 1949 On the oscillation of differential transforms. III: Oscillations of the derivative of a function. Zbl 0061.11702 Schaeffer, A. C. 2 1943 Entire functions. Zbl 0071.28703 Schaeffer, A. C. 2 1956 On the extension of a functional inequality of S. Bernstein to non- analytic functions. Zbl 0026.00902 Duffin, R. J.; Schaeffer, A. C. 1 1940 The Fourier-Stieltjes coefficients of a function of bounded variation. JFM 65.1202.02 Schaeffer, A. C. 1 1939 Dirichlet series. Zbl 0111.05001 Schaeffer, A. C. 1 1960 Inequalities for harmonic polynomials in two and three dimensions. Zbl 0027.39203 Schaeffer, A. C.; Szegö, Gábor 1 1941 The coefficients of schlicht functions. IV. Zbl 0036.18903 Schaeffer, A. C.; Spencer, D. C. 1 1949 Models illustrating the third coefficient region for schlicht functions. Zbl 0041.04302 Schaeffer, A. C.; Spencer, D. C. 1 1950 Dirichlet series. Zbl 0111.05001 Schaeffer, A. C. 1 1960 Variational methods in entire functions. Zbl 0085.05304 Boas, R. P. jun.; Schaeffer, A. C. 4 1957 Entire functions. Zbl 0071.28703 Schaeffer, A. C. 2 1956 Power series and Peano curves. Zbl 0056.29402 Schaeffer, A. C. 6 1954 Entire functions and trigonometric polynomials. Zbl 0052.07901 Schaeffer, A. C. 4 1953 A class of nonharmonic Fourier series. Zbl 0049.32401 Duffin, R. J.; Schaeffer, A. C. 951 1952 Coefficient regions for schlicht functions. Zbl 0049.06003 Schaeffer, A. C.; Spencer, D. C. 49 1952 Coefficient regions for schlicht functions. With a chapter on the region of values of the derivative of a schlicht functions by Arthur Grad. Zbl 0066.05701 Schaeffer, A. C.; Spencer, D. C. 30 1950 Models illustrating the third coefficient region for schlicht functions. Zbl 0041.04302 Schaeffer, A. C.; Spencer, D. C. 1 1950 The coefficient regions of schlicht functions. Zbl 0041.40903 Schaeffer, A. C.; Schiffer, M.; Spencer, D. C. 9 1949 Functions whose Fourier-Stieltjes coefficients approach zero. Zbl 0033.26201 Duffin, R. J.; Schaeffer, A. C. 2 1949 The coefficients of schlicht functions. IV. Zbl 0036.18903 Schaeffer, A. C.; Spencer, D. C. 1 1949 A variational method in conformal mapping. Zbl 0029.25902 Schaeffer, A. C.; Spencer, D. C. 3 1947 Power series with bounded coefficients. Zbl 0060.20903 Duffin, R. J.; Schaeffer, A. C. 31 1945 The coefficients of schlicht functions. II. Zbl 0063.06763 Schaeffer, A. C.; Spencer, D. C. 14 1945 The coefficients of schlicht functions. Zbl 0060.20404 Schaeffer, A. C.; Spencer, D. C. 26 1943 On the oscillation of differential transforms. III: Oscillations of the derivative of a function. Zbl 0061.11702 Schaeffer, A. C. 2 1943 A theorem of Cartwright. Zbl 0060.22202 Boas, R. P. jun.; Schaeffer, A. C. 3 1942 Khintchine’s problem in metric diophantine approximation. Zbl 0025.11002 Duffin, R. J.; Schaeffer, A. C. 62 1941 Inequalities of A. Markoff and S. Bernstein for polynomials and related functions. Zbl 0027.05205 Schaeffer, A. C. 57 1941 A refinement of an inequality of the brothers Markoff. Zbl 0025.31403 Duffin, R. J.; Schaeffer, A. C. 35 1941 Khintchine’s problem in metric diophantine approximation. JFM 67.0145.03 Duffin, R. J.; Schaeffer, A. C. 24 1941 A refinement of an inequality of the brothers Markoff. JFM 67.0213.02 Duffin, R. J.; Schaeffer, A. C. 11 1941 Inequalities of A. Markoff and S. Bernstein for polynomials and related functions. JFM 67.1001.02 Schaeffer, A. C. 11 1941 Inequalities for harmonic polynomials in two and three dimensions. JFM 67.1001.03 Schaeffer, A. C.; Szegö, G. 3 1941 Inequalities for harmonic polynomials in two and three dimensions. Zbl 0027.39203 Schaeffer, A. C.; Szegö, Gábor 1 1941 On the extension of a functional inequality of S. Bernstein to non- analytic functions. Zbl 0026.00902 Duffin, R. J.; Schaeffer, A. C. 1 1940 The Fourier-Stieltjes coefficients of a function of bounded variation. Zbl 0022.35401 Schaeffer, A. C. 10 1939 The Fourier-Stieltjes coefficients of a function of bounded variation. JFM 65.1202.02 Schaeffer, A. C. 1 1939 Some properties of functions of exponential type. Zbl 0018.40901 Duffin, Richard; Schaeffer, A. C. 22 1938 On some inequalities of S. Bernstein and W. Markoff for derivatives of polynomials. Zbl 0018.39503 Schaeffer, A. C.; Duffin, R. J. 8 1938 Some properties of functions of exponential type. JFM 64.0298.01 Duffin, R.; Schaeffer, A. C. 5 1938 On some inequalities of S. Bernstein and W. Markoff for derivatives of polynomials. JFM 64.0327.03 Schaeffer, A. C.; Duffin, R. J. 3 1938 Some inequalities concerning functions of exponential type. Zbl 0017.36303 Duffin, R. J.; Schaeffer, A. C. 11 1937 Existence theorem for the flow of an ideal incompressible fluid in two dimensions. Zbl 0018.12902 Schaeffer, A. C. 8 1937 all cited Publications top 5 cited Publications all top 5 Cited by 1,287 Authors 39 Li, Yunzhang 24 Rahimi, Asghar 24 Rossafi, Mohamed 24 Vashisht, Lalit Kumar 21 Gröchenig, Karlheinz 21 Han, Deguang 21 Kabbaj, Samir 19 Guo, Xunxiang 17 Ahmad, Owais 17 Casazza, Peter George 17 Shah, Firdous Ahmad 16 Leng, Jinsong 16 Xiang, Zhongqi 14 Aziz, Abdul 14 Benedetto, John Joseph 14 Pesenson, Isaac Zalmanovich 14 Weber, Eric S. 13 Kaushik, Shiv Kumar 12 Huang, Yongdong 12 Li, Dongwei 12 Rather, Nisar Ahmad 11 Ahmadi, Reza H. 11 Balazs, Peter 11 Labrigui, Hatim 11 Rahman, Qazi Ibadur 11 Zhang, Wei 11 Zhu, Yucan 10 Arefijamaal, Ali Akbar 10 Deepshikha 10 Li, Pengtong 10 Mohapatra, Ram Narayan 10 Touri, Abdeslam 9 Khosravi, Amir 9 Lai, Chun-Kit 9 Liu, Rui 9 Mirzaee Azandaryani, Morteza 9 Nazari, Akbar 9 Rahimlou, Gholamreza 9 Sheikh, Neyaz Ahmad 8 Abdollahpour, Mohammad Reza 8 Daraby, Bayaz 8 Dutkay, Dorin Ervin 8 Johnson, P. Sam 8 Kamyabi-Gol, Rajab Ali 8 Krishna, Krishnanagara Mahesh 8 Li, Yanan 8 Sadri, Vahid 8 Xiao, Xiangchun 8 Xu, Yuxiang 7 Aldroubi, Akram 7 Christensen, Ole 7 Dehghan, Mohammad Ali 7 Fard, Mohammad Ali Hasankhani 7 Gabardo, Jean-Pierre 7 Govil, Narendra Kumar 7 Harman, Glyn 7 Heil, Christopher E. 7 Jyoti 7 Larson, David Royal 7 Nikolov, Geno P. 7 Osgooei, Elnaz 7 Prokhorov, Dmitriĭ Vladimirovich 7 Seip, Kristian 7 Thomas, Jineesh 7 Zhang, Yan 6 Ahmadi, Ahmad 6 Asgari, Mohammad Sadegh 6 Beresnevich, Victor V. 6 Bhandari, Animesh 6 Chanam, Barchand 6 Fu, Yanling 6 Führ, Hartmut 6 Ghosh, Prasenjit 6 Gu, Qing 6 Gulzar, Suhail 6 Haynes, Alan K. 6 He, Miao 6 Huybrechs, Daan 6 Janfada, Mohammad 6 Khedmati, Yavar 6 Li, Dengfeng 6 Lyubarskii, Yurii I. 6 Mixon, Dustin G. 6 Najati, Abbas 6 Poumai, Khole Timothy 6 Rashidi-Kouchi, Mehdi 6 Samanta, Tapas Kumar 6 Schiffer, Menahem Max 6 Shamsabadi, Mitra 6 Velani, Sanju L. 6 Young, Robert M. 5 Antezana, Jorge 5 Balan, Radu V. 5 Chen, Qingjiang 5 Easwaran Nambudiri, T. C. 5 Erdélyi, Tamás 5 Fournier, Richard 5 Gelb, Anne 5 Ghobadzadeh, Fatemeh 5 Hosseinnezhad, Hessam ...and 1,187 more Authors all top 5 Cited in 317 Serials 74 Journal of Mathematical Analysis and Applications 47 Applied and Computational Harmonic Analysis 41 Proceedings of the American Mathematical Society 41 The Journal of Fourier Analysis and Applications 36 International Journal of Wavelets, Multiresolution and Information Processing 33 Transactions of the American Mathematical Society 32 Journal of Approximation Theory 28 Sahand Communications in Mathematical Analysis 25 Results in Mathematics 22 Journal of Functional Analysis 21 Journal d’Analyse Mathématique 21 Advances in Computational Mathematics 19 Linear and Multilinear Algebra 19 Journal of Pseudo-Differential Operators and Applications 16 Numerical Functional Analysis and Optimization 16 Journal of Inequalities and Applications 16 Acta Mathematica Sinica. English Series 14 Mediterranean Journal of Mathematics 14 Complex Analysis and Operator Theory 13 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 12 Rocky Mountain Journal of Mathematics 12 Journal of Linear and Topological Algebra 11 Mathematical Notes 11 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 10 Constructive Approximation 10 Linear Algebra and its Applications 10 Annals of Functional Analysis 9 Advances in Mathematics 9 Banach Journal of Mathematical Analysis 8 Israel Journal of Mathematics 8 Mathematical Methods in the Applied Sciences 8 Chaos, Solitons and Fractals 8 Journal of Number Theory 8 Mathematische Zeitschrift 8 Operators and Matrices 8 Palestine Journal of Mathematics 8 Journal of Function Spaces 7 Indian Journal of Pure & Applied Mathematics 7 Journal of Geometry and Physics 7 Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences 7 The Journal of Analysis 7 Bulletin of the American Mathematical Society 7 Journal of Mathematical Inequalities 6 Analysis Mathematica 6 Mathematika 6 Memoirs of the American Mathematical Society 6 Monatshefte für Mathematik 6 Siberian Mathematical Journal 6 Acta Mathematica Hungarica 6 Filomat 6 Analysis and Mathematical Physics 6 Iranian Journal of Mathematical Sciences and Informatics 5 Mathematical Proceedings of the Cambridge Philosophical Society 5 Acta Arithmetica 5 Compositio Mathematica 5 International Journal of Mathematics and Mathematical Sciences 5 Journal of Computational and Applied Mathematics 5 Mathematische Annalen 5 Acta Applicandae Mathematicae 5 Bulletin of the Iranian Mathematical Society 5 Applied Mathematics Letters 5 The Journal of Geometric Analysis 5 Indagationes Mathematicae. New Series 5 Russian Mathematics 5 Journal of Mathematical Sciences (New York) 5 Georgian Mathematical Journal 5 Abstract and Applied Analysis 5 Mathematical Inequalities & Applications 5 Computational Methods and Function Theory 5 Azerbaijan Journal of Mathematics 5 Afrika Matematika 5 Problemy Analiza. Issues of Analysis 5 Korean Journal of Mathematics 4 Bulletin of the Australian Mathematical Society 4 Mathematics of Computation 4 Functional Analysis and its Applications 4 Journal of Soviet Mathematics 4 Journal de Théorie des Nombres de Bordeaux 4 Infinite Dimensional Analysis, Quantum Probability and Related Topics 4 Thai Journal of Mathematics 4 International Journal of Number Theory 4 Armenian Journal of Mathematics 4 Science China. Mathematics 4 Journal of Mathematical Extension 4 Journal of Mathematics 3 Archive for Rational Mechanics and Analysis 3 Journal of Mathematical Physics 3 Lithuanian Mathematical Journal 3 Arkiv för Matematik 3 Annali di Matematica Pura ed Applicata. Serie Quarta 3 Applied Mathematics and Computation 3 Archiv der Mathematik 3 Functiones et Approximatio. Commentarii Mathematici 3 Gaṇita 3 Inventiones Mathematicae 3 Mathematische Nachrichten 3 Publications de l’Institut Mathématique. Nouvelle Série 3 Journal of Scientific Computing 3 Bulletin of the American Mathematical Society. New Series 3 Applied Mathematics. Series B (English Edition) ...and 217 more Serials all top 5 Cited in 48 Fields 868 Harmonic analysis on Euclidean spaces (42-XX) 328 Functional analysis (46-XX) 215 Functions of a complex variable (30-XX) 172 Approximations and expansions (41-XX) 172 Operator theory (47-XX) 120 Information and communication theory, circuits (94-XX) 111 Number theory (11-XX) 75 Numerical analysis (65-XX) 52 Abstract harmonic analysis (43-XX) 42 Measure and integration (28-XX) 38 Real functions (26-XX) 24 Dynamical systems and ergodic theory (37-XX) 20 Quantum theory (81-XX) 19 Linear and multilinear algebra; matrix theory (15-XX) 19 Partial differential equations (35-XX) 18 Combinatorics (05-XX) 15 Several complex variables and analytic spaces (32-XX) 14 Special functions (33-XX) 14 Ordinary differential equations (34-XX) 13 Topological groups, Lie groups (22-XX) 13 Probability theory and stochastic processes (60-XX) 13 Statistics (62-XX) 12 Computer science (68-XX) 11 Systems theory; control (93-XX) 9 Potential theory (31-XX) 8 Convex and discrete geometry (52-XX) 7 Integral transforms, operational calculus (44-XX) 6 Order, lattices, ordered algebraic structures (06-XX) 6 Algebraic geometry (14-XX) 6 Differential geometry (53-XX) 6 General topology (54-XX) 6 Fluid mechanics (76-XX) 6 Operations research, mathematical programming (90-XX) 4 Sequences, series, summability (40-XX) 4 Calculus of variations and optimal control; optimization (49-XX) 3 Nonassociative rings and algebras (17-XX) 3 Global analysis, analysis on manifolds (58-XX) 2 History and biography (01-XX) 2 Integral equations (45-XX) 2 Manifolds and cell complexes (57-XX) 2 Geophysics (86-XX) 2 Biology and other natural sciences (92-XX) 1 Mathematical logic and foundations (03-XX) 1 Field theory and polynomials (12-XX) 1 Group theory and generalizations (20-XX) 1 Mechanics of particles and systems (70-XX) 1 Mechanics of deformable solids (74-XX) 1 Mathematics education (97-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. 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