Isador M. Sheffer
#156,023
Most Influential Person Now
American mathematician
Isador M. Sheffer's AcademicInfluence.com Rankings
Isador M. Sheffermathematics Degrees
Mathematics
#7193
World Rank
#9825
Historical Rank
#2028
USA Rank
Measure Theory
#3129
World Rank
#3710
Historical Rank
#909
USA Rank

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Mathematics
Why Is Isador M. Sheffer Influential?
(Suggest an Edit or Addition)According to Wikipedia, Isador Mitchell Sheffer was an American mathematician best known for the Sheffer sequence of polynomials. Born in Massachusetts, he lived a large portion of his life in State College, Pennsylvania, where he was a Professor of Mathematics at Pennsylvania State University.
Isador M. Sheffer's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Some properties of polynomial sets of type zero (1939) (159)
- Orthogonal polynomials in two variables (1967) (102)
- Review: Morris Marden, The geometry of the zeros of a polynomial in a complex variable (1950) (70)
- Note on Appell polynomials (1945) (35)
- A differential equation for Appell polynomials (1935) (29)
- Differential equations of infinite order for orthogonal polynomials (1966) (23)
- Concerning Appell sets and associated linear functional equations (1937) (21)
- Some limit theorems (1948) (20)
- Some applications of certain polynomial classes (1941) (13)
- A characterization of orthogonal polynomials (1964) (12)
- On pairs of related orthogonal polynomial sets (1965) (10)
- On Sets of Polynomials and Associated Linear Functional Operators and Equations (1931) (9)
- Systems of Linear Differential Equations of Infinite Order, With Constant Coefficients (7)
- Systems of linear equations of analytic type (1944) (6)
- Note on multiply-infinite series (1946) (4)
- Concerning Some Methods of Best Approximation, and a Theorem of Birkhoff (1935) (3)
- Systems of infinitely many linear differential equations of infinite order, with constant coefficients (1929) (3)
- Expansions in generalized Appell polynomials, and a class of related linear functional equations (1929) (3)
- On the properties of polynomials satisfying a linear differential equation. I (1933) (2)
- Note on Functionally-Orthogonal Polynomials (1931) (2)
- A Note on Matrix Power Series (1930) (2)
- On Entire Function Interpolation (1927) (2)
- Difference equations for some orthogonal polynomials (1969) (2)
- An Extension of a Perron System of Linear Equations in Infinitely Many Unknowns (1945) (2)
- Convergence of Multiply-Infinite Series (1945) (2)
- On the Solution of Sum-Equations (1950) (1)
- A proof of the fundamental theorem of algebra (1929) (1)
- Note on non-analytic functions (1935) (1)
- Linear Differential Equations of Infinite Order, With Polynomial Coefficients of Degree One (1)
- A local solution of the difference equation Δ()=() and of related equations (1936) (1)
- A correction: “A local solution of the difference equation Δ()=() and of related equations” [Trans. Amer. Math. Soc. 39 (1936), no. 3, 345–379; 1501852] (1937) (1)
- Review: Earl D. Rainville, Special functions (1960) (1)
- On a Class $W[k,s;C_{ij} ]$ of Polynomial Sets: Part I (1980) (0)
- On the theory of sum-equations (1949) (0)
- On polynomial sets of classSk, and sets of rankk (1978) (0)
- Some solution-preserving operators for a partial differential equation (1963) (0)
- A simplified solution of the equation $\Delta y\left( x \right) = F\left( x \right)$ (1937) (0)
- On $k$-periodic systems of linear equations (1948) (0)
- Problems for Solution: 3788-3791 (1936) (0)
- Note on Multiple Power Series (1963) (0)
- On Trigonometric Polynomials Satisfying Differential Equations (1975) (0)
- On certain entire functions (1952) (0)
- A class of functions related to harmonic functions (1954) (0)
- Systems of equations in an infinity of unknowns, whose solution involves an arbitrary parameter (1926) (0)
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