Edit Profile Schaeffer, Albert Charles Compute Distance To: Compute Author ID: schaeffer.albert-charles Published as: Schaeffer, A. C. External Links: MGP · Wikidata · GND Documents Indexed: 46 Publications since 1937, including 1 Book Biographic References: 1 Publication 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 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 1 Number theory (11-XX) 1 Functions of a complex variable (30-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH 33 Publications have been cited 948 times in 908 Documents Cited by ▼ Year ▼ A class of nonharmonic Fourier series. Zbl 0049.32401Duffin, R. J.; Schaeffer, A. C. 564 1952 Khintchine’s problem in metric diophantine approximation. Zbl 0025.11002Duffin, R. J.; Schaeffer, A. C. 54 1941 Inequalities of A. Markoff and S. Bernstein for polynomials and related functions. Zbl 0027.05205Schaeffer, A. C. 42 1941 Coefficient regions for schlicht functions. Zbl 0049.06003Schaeffer, A. C.; Spencer, D. C. 41 1952 A refinement of an inequality of the brothers Markoff. Zbl 0025.31403Duffin, R. J.; Schaeffer, A. C. 35 1941 Coefficient regions for schlicht functions. With a chapter on the region of values of the derivative of a schlicht functions by Arthur Grad. Zbl 0066.05701Schaeffer, A. C.; Spencer, D. C. 32 1950 Power series with bounded coefficients. Zbl 0060.20903Duffin, R. J.; Schaeffer, A. C. 27 1945 The coefficients of schlicht functions. Zbl 0060.20404Schaeffer, A. C.; Spencer, D. C. 23 1943 Some properties of functions of exponential type. Zbl 0018.40901Duffin, Richard; Schaeffer, A. C. 21 1938 The coefficients of schlicht functions. II. Zbl 0063.06763Schaeffer, A. C.; Spencer, D. C. 10 1945 The Fourier-Stieltjes coefficients of a function of bounded variation. Zbl 0022.35401Schaeffer, A. C. 10 1939 Some inequalities concerning functions of exponential type. Zbl 0017.36303Duffin, R. J.; Schaeffer, A. C. 10 1937 A refinement of an inequality of the brothers Markoff. JFM 67.0213.02Duffin, R. J.; Schaeffer, A. C. 9 1941 The coefficient regions of schlicht functions. Zbl 0041.40903Schaeffer, A. C.; Schiffer, M.; Spencer, D. C. 8 1949 Existence theorem for the flow of an ideal incompressible fluid in two dimensions. Zbl 0018.12902Schaeffer, A. C. 8 1937 Inequalities of A. Markoff and S. Bernstein for polynomials and related functions. JFM 67.1001.02Schaeffer, A. C. 7 1941 On some inequalities of S. Bernstein and W. Markoff for derivatives of polynomials. Zbl 0018.39503Schaeffer, A. C.; Duffin, R. J. 7 1938 Power series and Peano curves. Zbl 0056.29402Schaeffer, A. C. 6 1954 Khintchine’s problem in metric diophantine approximation. JFM 67.0145.03Duffin, R. J.; Schaeffer, A. C. 5 1941 Variational methods in entire functions. Zbl 0085.05304Boas, R. P. jun.; Schaeffer, A. C. 4 1957 Entire functions and trigonometric polynomials. Zbl 0052.07901Schaeffer, A. C. 4 1953 A variational method in conformal mapping. Zbl 0029.25902Schaeffer, A. C.; Spencer, D. C. 3 1947 A theorem of Cartwright. Zbl 0060.22202Boas, R. P. jun.; Schaeffer, A. C. 3 1942 Entire functions. Zbl 0071.28703Schaeffer, A. C. 2 1956 Functions whose Fourier-Stieltjes coefficients approach zero. Zbl 0033.26201Duffin, R. J.; Schaeffer, A. C. 2 1949 On the oscillation of differential transforms. III: Oscillations of the derivative of a function. Zbl 0061.11702Schaeffer, A. C. 2 1943 Inequalities for harmonic polynomials in two and three dimensions. JFM 67.1001.03Schaeffer, A. C.; Szegö, G. 2 1941 Some properties of functions of exponential type. JFM 64.0298.01Duffin, R.; Schaeffer, A. C. 2 1938 Dirichlet series. Zbl 0111.05001Schaeffer, A. C. 1 1960 Models illustrating the third coefficient region for schlicht functions. Zbl 0041.04302Schaeffer, A. C.; Spencer, D. C. 1 1950 On the extension of a functional inequality of S. Bernstein to non- analytic functions. Zbl 0026.00902Duffin, R. J.; Schaeffer, A. C. 1 1940 The Fourier-Stieltjes coefficients of a function of bounded variation. JFM 65.1202.02Schaeffer, A. C. 1 1939 On some inequalities of S. Bernstein and W. Markoff for derivatives of polynomials. JFM 64.0327.03Schaeffer, A. C.; Duffin, R. J. 1 1938 Dirichlet series. Zbl 0111.05001Schaeffer, A. C. 1 1960 Variational methods in entire functions. Zbl 0085.05304Boas, R. P. jun.; Schaeffer, A. C. 4 1957 Entire functions. Zbl 0071.28703Schaeffer, A. C. 2 1956 Power series and Peano curves. Zbl 0056.29402Schaeffer, A. C. 6 1954 Entire functions and trigonometric polynomials. Zbl 0052.07901Schaeffer, A. C. 4 1953 A class of nonharmonic Fourier series. Zbl 0049.32401Duffin, R. J.; Schaeffer, A. C. 564 1952 Coefficient regions for schlicht functions. Zbl 0049.06003Schaeffer, A. C.; Spencer, D. C. 41 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 0066.05701Schaeffer, A. C.; Spencer, D. C. 32 1950 Models illustrating the third coefficient region for schlicht functions. Zbl 0041.04302Schaeffer, A. C.; Spencer, D. C. 1 1950 The coefficient regions of schlicht functions. Zbl 0041.40903Schaeffer, A. C.; Schiffer, M.; Spencer, D. C. 8 1949 Functions whose Fourier-Stieltjes coefficients approach zero. Zbl 0033.26201Duffin, R. J.; Schaeffer, A. C. 2 1949 A variational method in conformal mapping. Zbl 0029.25902Schaeffer, A. C.; Spencer, D. C. 3 1947 Power series with bounded coefficients. Zbl 0060.20903Duffin, R. J.; Schaeffer, A. C. 27 1945 The coefficients of schlicht functions. II. Zbl 0063.06763Schaeffer, A. C.; Spencer, D. C. 10 1945 The coefficients of schlicht functions. Zbl 0060.20404Schaeffer, A. C.; Spencer, D. C. 23 1943 On the oscillation of differential transforms. III: Oscillations of the derivative of a function. Zbl 0061.11702Schaeffer, A. C. 2 1943 A theorem of Cartwright. Zbl 0060.22202Boas, R. P. jun.; Schaeffer, A. C. 3 1942 Khintchine’s problem in metric diophantine approximation. Zbl 0025.11002Duffin, R. J.; Schaeffer, A. C. 54 1941 Inequalities of A. Markoff and S. Bernstein for polynomials and related functions. Zbl 0027.05205Schaeffer, A. C. 42 1941 A refinement of an inequality of the brothers Markoff. Zbl 0025.31403Duffin, R. J.; Schaeffer, A. C. 35 1941 A refinement of an inequality of the brothers Markoff. JFM 67.0213.02Duffin, R. J.; Schaeffer, A. C. 9 1941 Inequalities of A. Markoff and S. Bernstein for polynomials and related functions. JFM 67.1001.02Schaeffer, A. C. 7 1941 Khintchine’s problem in metric diophantine approximation. JFM 67.0145.03Duffin, R. J.; Schaeffer, A. C. 5 1941 Inequalities for harmonic polynomials in two and three dimensions. JFM 67.1001.03Schaeffer, A. C.; Szegö, G. 2 1941 On the extension of a functional inequality of S. Bernstein to non- analytic functions. Zbl 0026.00902Duffin, R. J.; Schaeffer, A. C. 1 1940 The Fourier-Stieltjes coefficients of a function of bounded variation. Zbl 0022.35401Schaeffer, A. C. 10 1939 The Fourier-Stieltjes coefficients of a function of bounded variation. JFM 65.1202.02Schaeffer, A. C. 1 1939 Some properties of functions of exponential type. Zbl 0018.40901Duffin, Richard; Schaeffer, A. C. 21 1938 On some inequalities of S. Bernstein and W. Markoff for derivatives of polynomials. Zbl 0018.39503Schaeffer, A. C.; Duffin, R. J. 7 1938 Some properties of functions of exponential type. JFM 64.0298.01Duffin, R.; Schaeffer, A. C. 2 1938 On some inequalities of S. Bernstein and W. Markoff for derivatives of polynomials. JFM 64.0327.03Schaeffer, A. C.; Duffin, R. J. 1 1938 Some inequalities concerning functions of exponential type. Zbl 0017.36303Duffin, R. J.; Schaeffer, A. C. 10 1937 Existence theorem for the flow of an ideal incompressible fluid in two dimensions. Zbl 0018.12902Schaeffer, A. C. 8 1937 all cited Publications top 5 cited Publications all top 5 Cited by 960 Authors 19 Han, Deguang 17 Gröchenig, Karlheinz 17 Guo, Xunxiang 15 Rahimi, Asghar 14 Vashisht, Lalit Kumar 13 Aziz, Abdul 11 Benedetto, John J. 11 Casazza, Peter George 11 Li, Yunzhang 11 Pesenson, Isaac Zalmanovich 11 Rahman, Qazi Ibadur 11 Weber, Eric S. 11 Zhu, Yucan 10 Kaushik, Shiv Kumar 9 Huang, Yongdong 9 Leng, Jinsong 9 Li, Dongwei 9 Shah, Firdous Ahmad 9 Xiang, Zhongqi 7 Balazs, Peter 7 Christensen, Ole 7 Dutkay, Dorin Ervin 7 Harman, Glyn 7 Khosravi, Amir 7 Lai, Chun-Kit 7 Prokhorov, Dmitriĭ Vladimirovich 6 Aldroubi, Akram 6 Deepshikha 6 Gabardo, Jean-Pierre 6 Gu, Qing 6 Larson, David Royal 6 Li, Dengfeng 6 Liu, Rui 6 Lyubarskii, Yurii I. 6 Nazari, Akbar 6 Nikolov, Geno P. 6 Osgooei, Elnaz 6 Schiffer, Menahem Max 6 Seip, Kristian 6 Young, Robert M. 5 Ahmad, Owais 5 Antezana, Jorge 5 Arefijamaal, Ali Akbar 5 Asgari, Mohammad Sadegh 5 Balan, Radu V. 5 Chen, Qingjiang 5 Dehghan, Mohammad Ali 5 Erdélyi, Tamás 5 Fournier, Richard 5 Gelb, Anne 5 Govil, Narenda Kumar 5 Gulzar, Suhail 5 Haynes, Alan K. 5 Huang, Ting-Zhu 5 Huybrechs, Daan 5 Jenkins, James Allister 5 Rather, Nisar Ahmad 5 Rossafi, Mohamed 5 Ruscheweyh, Stephan 5 Sun, Wenchang 4 Abdollahpour, Mohammad Reza 4 Ahmadi, Reza H. 4 Boas, Ralph Philip jun. 4 Cao, Huaixin 4 Corach, Gustavo 4 Daraby, Bayaz 4 Heil, Christopher E. 4 Holighaus, Nicki 4 Hummel, James A. 4 Hussain, Mumtaz 4 Kabbaj, Samir 4 Kristensen, Simon 4 Landau, Zeph A. 4 Li, Pengtong 4 Li, Shidong 4 Mirzaee Azandaryani, Morteza 4 Mixon, Dustin G. 4 Mohapatra, Ram Narayan 4 Najati, Abbas 4 Rashidi-Kouchi, Mehdi 4 Sadri, Vahid 4 San Antolín, Angel 4 Shen, Zuowei 4 Terekhin, Pavel Aleksandrovich 4 Thirulogasanthar, Kengatharam 4 Ulanovskii, Alexander M. 4 Vasilev, Alexander 4 Velani, Sanju L. 4 Walnut, David F. 4 Wang, Yang 4 Xiao, Xiangchun 3 Adcock, Ben 3 Antoine, Jean-Pierre 3 Baker, Simon 3 Beresnevich, Victor V. 3 Bhandari, Animesh 3 Boche, Holger 3 Bodmann, Bernhard G. 3 Borwein, Peter Benjamin 3 Boyanov, Borislav Dechev ...and 860 more Authors all top 5 Cited in 232 Serials 63 Journal of Mathematical Analysis and Applications 40 Applied and Computational Harmonic Analysis 39 Proceedings of the American Mathematical Society 34 The Journal of Fourier Analysis and Applications 32 Journal of Approximation Theory 32 Transactions of the American Mathematical Society 21 Journal of Functional Analysis 21 Results in Mathematics 19 Journal d’Analyse Mathématique 18 International Journal of Wavelets, Multiresolution and Information Processing 16 Advances in Computational Mathematics 13 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 13 Acta Mathematica Sinica. English Series 12 Complex Analysis and Operator Theory 10 Mathematical Notes 9 Sahand Communications in Mathematical Analysis 8 Israel Journal of Mathematics 8 Chaos, Solitons and Fractals 8 Linear Algebra and its Applications 8 Banach Journal of Mathematical Analysis 7 Indian Journal of Pure & Applied Mathematics 7 Linear and Multilinear Algebra 7 Rocky Mountain Journal of Mathematics 7 Journal of Geometry and Physics 7 Advances in Mathematics 7 Journal of Number Theory 7 Mediterranean Journal of Mathematics 7 Bulletin of the American Mathematical Society 7 Journal of Linear and Topological Algebra 7 Journal of Function Spaces 6 Mathematische Zeitschrift 6 Mathematika 6 Monatshefte für Mathematik 6 Siberian Mathematical Journal 6 Constructive Approximation 6 Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences 6 Journal of Inequalities and Applications 5 Numerical Functional Analysis and Optimization 5 Acta Applicandae Mathematicae 5 Applied Mathematics Letters 5 Computational Methods and Function Theory 5 Analysis and Mathematical Physics 4 Analysis Mathematica 4 Bulletin of the Australian Mathematical Society 4 Mathematical Proceedings of the Cambridge Philosophical Society 4 Mathematics of Computation 4 Acta Arithmetica 4 Compositio Mathematica 4 Functional Analysis and its Applications 4 Journal of Computational and Applied Mathematics 4 Journal of Soviet Mathematics 4 Mathematische Annalen 4 Indagationes Mathematicae. New Series 4 The Journal of Analysis 4 Journal of Mathematical Sciences (New York) 4 Abstract and Applied Analysis 3 Archive for Rational Mechanics and Analysis 3 Arkiv för Matematik 3 Archiv der Mathematik 3 Inventiones Mathematicae 3 Mathematische Nachrichten 3 Memoirs of the American Mathematical Society 3 Acta Mathematica Hungarica 3 The Journal of Geometric Analysis 3 Russian Mathematics 3 Applied Mathematics. Series B (English Edition) 3 Journal de Théorie des Nombres de Bordeaux 3 Annals of Mathematics. Second Series 3 Journal of Applied Mathematics 3 Sampling Theory in Signal and Image Processing 3 Journal of Function Spaces and Applications 3 International Journal of Number Theory 3 Operators and Matrices 3 Journal of Mathematical Inequalities 3 Science China. Mathematics 3 Afrika Matematika 3 Palestine Journal of Mathematics 2 American Mathematical Monthly 2 Applicable Analysis 2 Letters in Mathematical Physics 2 Lithuanian Mathematical Journal 2 Acta Mathematica 2 Annales de l’Institut Fourier 2 Annali di Matematica Pura ed Applicata. Serie Quarta 2 Applied Mathematics and Computation 2 Duke Mathematical Journal 2 Functiones et Approximatio. Commentarii Mathematici 2 Glasgow Mathematical Journal 2 International Journal of Mathematics and Mathematical Sciences 2 Integral Equations and Operator Theory 2 Journal of Differential Equations 2 Journal of Multivariate Analysis 2 Numerische Mathematik 2 SIAM Journal on Numerical Analysis 2 Zeitschrift für Analysis und ihre Anwendungen 2 Chinese Annals of Mathematics. Series B 2 Journal of Scientific Computing 2 Journal of Integral Equations and Applications 2 Bulletin of the American Mathematical Society. New Series 2 Annales de l’Institut Henri Poincaré. Physique Théorique ...and 132 more Serials all top 5 Cited in 45 Fields 504 Harmonic analysis on Euclidean spaces (42-XX) 186 Functional analysis (46-XX) 163 Functions of a complex variable (30-XX) 116 Approximations and expansions (41-XX) 76 Operator theory (47-XX) 76 Information and communication theory, circuits (94-XX) 70 Number theory (11-XX) 48 Numerical analysis (65-XX) 33 Abstract harmonic analysis (43-XX) 25 Real functions (26-XX) 23 Measure and integration (28-XX) 16 Partial differential equations (35-XX) 16 Dynamical systems and ergodic theory (37-XX) 13 Special functions (33-XX) 13 Ordinary differential equations (34-XX) 12 Linear and multilinear algebra; matrix theory (15-XX) 11 Combinatorics (05-XX) 11 Quantum theory (81-XX) 10 Topological groups, Lie groups (22-XX) 10 Several complex variables and analytic spaces (32-XX) 10 Probability theory and stochastic processes (60-XX) 9 Computer science (68-XX) 7 Potential theory (31-XX) 7 Systems theory; control (93-XX) 6 Statistics (62-XX) 5 Integral transforms, operational calculus (44-XX) 5 Fluid mechanics (76-XX) 4 Order, lattices, ordered algebraic structures (06-XX) 4 Algebraic geometry (14-XX) 4 Calculus of variations and optimal control; optimization (49-XX) 4 Convex and discrete geometry (52-XX) 4 Differential geometry (53-XX) 3 Nonassociative rings and algebras (17-XX) 3 Sequences, series, summability (40-XX) 3 Operations research, mathematical programming (90-XX) 2 Group theory and generalizations (20-XX) 2 General topology (54-XX) 2 Global analysis, analysis on manifolds (58-XX) 2 Biology and other natural sciences (92-XX) 1 History and biography (01-XX) 1 Field theory and polynomials (12-XX) 1 Manifolds and cell complexes (57-XX) 1 Mechanics of particles and systems (70-XX) 1 Geophysics (86-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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