Paul Monsky (original) (raw)
- Paul Monsky (* 17. Juni 1936) ist ein US-amerikanischer Mathematiker, der sich mit Zahlentheorie, algebraischer Geometrie und kommutativer Algebra beschäftigt. Monsky studierte mit einem Stipendium der National Science Foundation am Swarthmore College und an der University of Chicago, wo er 1962 bei Walter Baily promoviert wurde (The automorphism groups of algebraic curves). Er war seit Anfang der 1970er-Jahre Professor an der Brandeis University, wo er inzwischen Professor emeritus ist. Er führte 1968 mit Gerard Washnitzer die Monsky-Washnitzer-Kohomologie ein, eine p-adische Kohomologietheorie für affine nicht-singuläre Varietäten über Körpern positiver Charakteristik. 2007 zeigte er mit Holger Brenner, dass tight closure (straffer Abschluss, ein 1986 von Melvin Hochster und Craig Huneke eingeführtes Konzept der kommutativen Algebra) ab Dimension 3 nicht mit Lokalisierung kommutiert, das heißt nicht mit ihr verträglich ist. Sie beantworteten damit ein Problem von Hochster (tight closure ist verschieden vom plus closure). Monsky beschäftigte sich auch mit verschiedenen Problemen der elementaren Geometrie. Von Monsky stammt der bisher einzig bekannte Beweis, dass Quadrate nicht in eine ungerade Anzahl flächengleicher Dreiecke zerlegbar sind. Er erweiterte dies auf den Beweis der Vermutung von Sherman für die Zerlegung zentralsymmetrischer Polygone in der euklidischen Ebene in eine ungerade Anzahl flächengleicher Dreiecke. 1970 war er Invited Speaker auf dem Internationalen Mathematikerkongress in Nizza (One dimensional formal cohomology). (de)
- Paul Monsky (born June 17, 1936) is an American mathematician and professor at Brandeis University. After earning a bachelor's degree from Swarthmore College, he received his Ph.D. in 1962 from the University of Chicago under the supervision of Walter Lewis Baily, Jr. He has introduced the Monsky–Washnitzer cohomology and he has worked intensively on Hilbert–Kunz functions and Hilbert–Kunz multiplicity. In 2007, Monsky and Holger Brenner gave an example showing that tight closure does not commute with localization. Monsky's theorem, the statement that a square cannot be divided into an odd number of equal-area triangles, is named after Monsky, who published the first proof of it in 1970. In the mid-1970s, Monsky stopped paying U.S. federal income tax in protest against military spending. He resisted income tax withholding by claiming extra exemptions, and this led to a criminal conviction on tax charges in 1980. (en)
- Пауль Монски (17 июня 1936 года) — американский математик и профессор в университете Брандейса.Наиболее известен доказательством теоремы о разрезании квадрата на равновеликие треугольники. (ru)
- Paul Monsky (17 de junho de 1936) é um matemático estadunidense, que trabalha com teoria dos números, geometria algébrica e álgebra comutativa Monsky obteve um doutorado na Universidade de Chicago em 1962, orientado por Walter Baily, com a tese The automorphism groups of algebraic curves. Foi desde o começo da década de 1970 professor da Universidade Brandeis, onde tornou-se professor emérito. Foi palestrante convidado do Congresso Internacional de Matemáticos em Nice (1970 -One dimensional formal cohomology). (pt)
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- Пауль Монски (17 июня 1936 года) — американский математик и профессор в университете Брандейса.Наиболее известен доказательством теоремы о разрезании квадрата на равновеликие треугольники. (ru)
- Paul Monsky (17 de junho de 1936) é um matemático estadunidense, que trabalha com teoria dos números, geometria algébrica e álgebra comutativa Monsky obteve um doutorado na Universidade de Chicago em 1962, orientado por Walter Baily, com a tese The automorphism groups of algebraic curves. Foi desde o começo da década de 1970 professor da Universidade Brandeis, onde tornou-se professor emérito. Foi palestrante convidado do Congresso Internacional de Matemáticos em Nice (1970 -One dimensional formal cohomology). (pt)
- Paul Monsky (* 17. Juni 1936) ist ein US-amerikanischer Mathematiker, der sich mit Zahlentheorie, algebraischer Geometrie und kommutativer Algebra beschäftigt. Monsky studierte mit einem Stipendium der National Science Foundation am Swarthmore College und an der University of Chicago, wo er 1962 bei Walter Baily promoviert wurde (The automorphism groups of algebraic curves). Er war seit Anfang der 1970er-Jahre Professor an der Brandeis University, wo er inzwischen Professor emeritus ist. (de)
- Paul Monsky (born June 17, 1936) is an American mathematician and professor at Brandeis University. After earning a bachelor's degree from Swarthmore College, he received his Ph.D. in 1962 from the University of Chicago under the supervision of Walter Lewis Baily, Jr. He has introduced the Monsky–Washnitzer cohomology and he has worked intensively on Hilbert–Kunz functions and Hilbert–Kunz multiplicity. In 2007, Monsky and Holger Brenner gave an example showing that tight closure does not commute with localization. (en)
- Paul Monsky (de)
- Paul Monsky (en)
- Paul Monsky (pt)
- Монски, Пауль (ru)
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