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- Joseph_Ritt abstract "Joseph Fels Ritt (August 23, 1893 – January 5, 1951) was an American mathematician at Columbia University in the early 20th century. He was born and died in New York.After beginning his undergraduate studies at City College of New York, Ritt received his B.A. from George Washington University in 1913. He then earned a doctorate in mathematics from Columbia University in 1917 under the supervision of Edward Kasner. After doing calculations for the war effort in World War I, he joined the Columbia faculty in 1921. He served as department chair from 1942 to 1945, and in 1945 became the Davies Professor of Mathematics. In 1932, George Washington University honored him with a Doctorate in Science, and in 1933 he was elected to join the United States National Academy of Sciences. He has 463 academic descendants listed in the Mathematics Genealogy Project, mostly through his student Ellis Kolchin.He is known for his work on characterizing the indefinite integrals that can be solved in closed form, for his work on the theory of ordinary differential equations and partial differential equations, for beginning the study of differential algebraic groups, and for the method of characteristic sets used in the solution of systems of polynomial equations.".
- Joseph_Ritt almaMater Columbia_University.
- Joseph_Ritt birthDate "1893-08-23".
- Joseph_Ritt birthPlace New_York_City.
- Joseph_Ritt birthPlace United_States.
- Joseph_Ritt birthYear "1893".
- Joseph_Ritt deathDate "1951-01-05".
- Joseph_Ritt deathPlace New_York_City.
- Joseph_Ritt deathPlace United_States.
- Joseph_Ritt deathYear "1951".
- Joseph_Ritt doctoralAdvisor Edward_Kasner.
- Joseph_Ritt doctoralStudent Edgar_Lorch.
- Joseph_Ritt doctoralStudent Ellis_Kolchin.
- Joseph_Ritt doctoralStudent Howard_Levi.
- Joseph_Ritt doctoralStudent Irving_Gerst.
- Joseph_Ritt doctoralStudent Richard_Cohn.
- Joseph_Ritt field Mathematics.
- Joseph_Ritt knownFor Exponential_polynomial.
- Joseph_Ritt nationality United_States.
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- Joseph_Ritt almaMater "Columbia University".
- Joseph_Ritt birthDate "1893-08-23".
- Joseph_Ritt birthPlace New_York_City.
- Joseph_Ritt birthPlace United_States.
- Joseph_Ritt dateOfBirth "1893-08-23".
- Joseph_Ritt dateOfDeath "1951-01-05".
- Joseph_Ritt deathDate "1951-01-05".
- Joseph_Ritt deathPlace "New York City, USA".
- Joseph_Ritt doctoralAdvisor Edward_Kasner.
- Joseph_Ritt doctoralStudents Edgar_Lorch.
- Joseph_Ritt doctoralStudents Ellis_Kolchin.
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- Joseph_Ritt doctoralStudents Irving_Gerst.
- Joseph_Ritt doctoralStudents Richard_Cohn.
- Joseph_Ritt fields Mathematics.
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- Joseph_Ritt knownFor Exponential_polynomial.
- Joseph_Ritt name "Joseph Ritt".
- Joseph_Ritt name "Ritt, Joseph".
- Joseph_Ritt nationality United_States.
- Joseph_Ritt placeOfBirth New_York_City.
- Joseph_Ritt placeOfBirth United_States.
- Joseph_Ritt placeOfDeath "New York City, USA".
- Joseph_Ritt shortDescription "American mathematician".
- Joseph_Ritt workplaces Columbia_University.
- Joseph_Ritt description "American mathematician".
- Joseph_Ritt description "American mathematician".
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- Joseph_Ritt comment "Joseph Fels Ritt (August 23, 1893 – January 5, 1951) was an American mathematician at Columbia University in the early 20th century. He was born and died in New York.After beginning his undergraduate studies at City College of New York, Ritt received his B.A. from George Washington University in 1913. He then earned a doctorate in mathematics from Columbia University in 1917 under the supervision of Edward Kasner.".
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