Age, Biography and Wiki
Roger Lyndon was born on 18 December, 1917 in United States, is an American mathematician. Discover Roger Lyndon's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 70 years old?
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70 years old |
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Sagittarius |
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18 December, 1917 |
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18 December |
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Date of death |
8 June, 1988 |
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United States
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He is a member of famous mathematician with the age 70 years old group.
Roger Lyndon Height, Weight & Measurements
At 70 years old, Roger Lyndon height not available right now. We will update Roger Lyndon's Height, weight, Body Measurements, Eye Color, Hair Color, Shoe & Dress size soon as possible.
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He is currently single. He is not dating anyone. We don't have much information about He's past relationship and any previous engaged. According to our Database, He has no children.
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Roger Lyndon Net Worth
His net worth has been growing significantly in 2023-2024. So, how much is Roger Lyndon worth at the age of 70 years old? Roger Lyndon’s income source is mostly from being a successful mathematician. He is from United States. We have estimated Roger Lyndon's net worth, money, salary, income, and assets.
Net Worth in 2024 |
$1 Million - $5 Million |
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Under Review |
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Pending |
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Under Review |
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mathematician |
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Timeline
Roger Conant Lyndon (December 18, 1917 – June 8, 1988) was an American mathematician, for many years a professor at the University of Michigan.
He is known for Lyndon words, the Curtis–Hedlund–Lyndon theorem, Craig–Lyndon interpolation and the Lyndon–Hochschild–Serre spectral sequence.
Lyndon was born on December 18, 1917, in Calais, Maine, the son of a Unitarian minister.
His mother died when he was two years old, after which he and his father moved several times to towns in Massachusetts and New York.
He did his undergraduate studies at Harvard University, originally intending to study literature but eventually settling on mathematics, and graduated in 1939.
He took a job as a banker, but soon afterwards returned to graduate school at Harvard, earning a master's degree in 1941.
After a brief teaching stint at the Georgia Institute of Technology, he returned to Harvard for the third time in 1942 and while there taught navigation as part of the V-12 Navy College Training Program while earning his Ph.D. He received his doctorate in 1946 under the supervision of Saunders Mac Lane.
After graduating from Harvard, Lyndon worked at the Office of Naval Research and then for five years as an instructor and assistant professor at Princeton University before moving to the University of Michigan in 1953.
A Lyndon word is a nonempty string of symbols that is smaller, lexicographically, than any of its cyclic rotations; Lyndon introduced these words in 1954 while studying the bases of free groups.
Lyndon was credited by Gustav A. Hedlund for his role in the discovery of the Curtis–Hedlund–Lyndon theorem, a mathematical characterization of cellular automata in terms of continuous equivariant functions on shift spaces.
The Craig–Lyndon interpolation theorem in formal logic states that every logical implication can be factored into the composition of two implications, such that each nonlogical symbol in the middle formula of the composition is also used in both of the other two formulas.
A version of the theorem was proved by William Craig in 1957, and strengthened by Lyndon in 1959.
In addition to these results, Lyndon made important contributions to combinatorial group theory, the study of groups in terms of their presentations in terms of sequences of generating elements that combine to form the group identity.
The book Contributions to Group Theory (American Mathematical Society, 1984, ISBN 978-0-8218-5035-0) is a festschrift dedicated to Lyndon on the occasion of his 65th birthday; it includes five articles about Lyndon and his mathematical research, as well as 27 invited and refereed research articles.
Lyndon died on June 8, 1988, in Ann Arbor, Michigan.
Lyndon's Ph.D. thesis concerned group cohomology; the Lyndon–Hochschild–Serre spectral sequence, coming out of that work, relates a group's cohomology to the cohomologies of its normal subgroups and their quotient groups.
The Roger Lyndon Collegiate Professorship of Mathematics at the University of Michigan, held by Hyman Bass in 1999–2008, is named after Lyndon.
Lyndon was the author or coauthor of the books:
Some of his most cited papers include: