Abe Gelbart
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Abe Gelbart
Abraham Markham Gelbart (December 2, 1911 – September 7, 1994) was an American mathematician, the founding dean of the Belfer Graduate School of Science at Yeshiva University and the namesake of the International Research Institute for Mathematical Sciences at Bar-Ilan University in Ramat Gan, Israel... Biography Gelbart was born to a Polish immigrant family in Paterson, New Jersey. He dropped out of high school at age 14, but studied mathematics at the New York Public Library, where he came under the mentorship of Yeshiva mathematician Jekuthiel Ginsburg. Despite not having a high school diploma, he was accepted to Dalhousie University at age 23, and earned a bachelor's degree there in 1938. He did his graduate studies at the Massachusetts Institute of Technology, earning a doctorate in 1940 under the supervision of Norbert Wiener. After taking non-tenure-track positions at North Carolina State College, Brown University, and NASA's Langley Research Center, Gelbart took a faculty ...
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Yeshiva University
Yeshiva University is a private Orthodox Jewish university with four campuses in New York City."About YU
on the Yeshiva University website
The university's undergraduate schools— Yeshiva College, Stern College for Women, Katz School of Science and Health, and —offer a dual curriculum inspired by

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Syracuse University
Syracuse University (informally 'Cuse or SU) is a Private university, private research university in Syracuse, New York. Established in 1870 with roots in the Methodist Episcopal Church, the university has been nonsectarian since 1920. Located in the city's University Hill, Syracuse, University Hill neighborhood, east and southeast of Downtown Syracuse, the large campus features an eclectic mix of architecture, ranging from nineteenth-century Romanesque Revival architecture, Romanesque Revival to contemporary buildings. Syracuse University is organized into 13 schools and colleges, with nationally recognized programs in Syracuse University School of Architecture, architecture, Maxwell School of Citizenship and Public Affairs, public administration, S.I. Newhouse School of Public Communications, journalism and communications, Martin J. Whitman School of Management, business administration, Syracuse University School of Information Studies, information studies, Syracuse Univers ...
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People From Paterson, New Jersey
A person (plural, : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal obligation, legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its us ...
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Massachusetts Institute Of Technology Alumni
Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut [Massachusett writing systems, məhswatʃəwiːsət],'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England region of the Northeastern United States. It borders on the Atlantic Ocean and Gulf of Maine to the east, Connecticut and Rhode Island to the south, New Hampshire and Vermont to the north, and New York (state), New York to the west. The state's capital and List of municipalities in Massachusetts, most populous city, as well as its cultural and financial center, is Boston. Massachusetts is also home to the urban area, urban core of Greater Boston, the largest metropolitan area in New England and a region profoundly influential upon American History of the United States, history, academia, and the Economy of the United States, research economy. Originally dependent on agriculture, fishing, and trade. Massachusetts was transformed into a manuf ...
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Dalhousie University Alumni
Dalhousie ( ) may refer to: Buildings * Dalhousie Castle, a castle near Bonnyrigg, Scotland *Dalhousie Obelisk, a monument in Empress Place, Singapore *Dalhousie Station (Montreal), a former passenger rail station in Montreal, Quebec * Dalhousie station (Calgary), a LRT station in Calgary, Alberta Institutions * Dalhousie Hilltop School, Dalhousie, India * Dalhousie School, a former prep school in Scotland *Dalhousie University, located in Halifax, Nova Scotia *HMIS (later INS) Dalhousie, the initial name of INS Angre, the naval base at Mumbai, India Ships * ''Dalhousie'', later name of People and clans * Clan Ramsay (Dalhousie), a branch of the main line of Scottish Ramsays *Earl of Dalhousie, a title created in the Peerage of Scotland in 1633 * James Broun-Ramsay, 1st Marquess of Dalhousie, (1812–1860) a Governor-General of India * George Ramsay, 9th Earl of Dalhousie, a Governor of Nova Scotia and of British North America Places Australia * County of Dalhousie, Victoria ...
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1994 Deaths
File:1994 Events Collage.png, From left, clockwise: The 1994 Winter Olympics are held in Lillehammer, Norway; The Kaiser Permanente building after the 1994 Northridge earthquake; A model of the MS Estonia, which sank in the Baltic Sea; Nelson Mandela casts his vote in the 1994 South African general election, in which he was elected South Africa's first president, and which effectively brought Apartheid to an end; NAFTA, which was signed in 1992, comes into effect in Canada, the United States, and Mexico; The first passenger rail service to utilize the newly-opened Channel tunnel; The 1994 FIFA World Cup is held in the United States; Skulls from the Rwandan genocide, in which over half a million Tutsi people were massacred by Hutus., 300x300px, thumb rect 0 0 200 200 1994 Winter Olympics rect 200 0 400 200 Northridge earthquake rect 400 0 600 200 Sinking of the MS Estonia rect 0 200 300 400 Rwandan genocide rect 300 200 600 400 Nelson Mandela rect 0 400 200 600 1994 FIFA World C ...
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1911 Births
A notable ongoing event was the Comparison of the Amundsen and Scott Expeditions, race for the South Pole. Events January * January 1 – A decade after federation, the Northern Territory and the Australian Capital Territory are added to the Commonwealth of Australia. * January 3 ** 1911 Kebin earthquake: An earthquake of 7.7 Moment magnitude scale, moment magnitude strikes near Almaty in Russian Turkestan, killing 450 or more people. ** Siege of Sidney Street in London: Two Latvian people, Latvian anarchists die, after a seven-hour siege against a combined police and military force. Home Secretary Winston Churchill arrives to oversee events. * January 5 – Egypt's Zamalek SC is founded as a general sports and Association football club by Belgian lawyer George Merzbach as Qasr El Nile Club. * January 14 – Roald Amundsen's South Pole expedition makes landfall, on the eastern edge of the Ross Ice Shelf. * January 18 – Eugene B. El ...
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Fluid Dynamics
In physics and engineering, fluid dynamics is a subdiscipline of fluid mechanics that describes the flow of fluids— liquids and gases. It has several subdisciplines, including ''aerodynamics'' (the study of air and other gases in motion) and hydrodynamics (the study of liquids in motion). Fluid dynamics has a wide range of applications, including calculating forces and moments on aircraft, determining the mass flow rate of petroleum through pipelines, predicting weather patterns, understanding nebulae in interstellar space and modelling fission weapon detonation. Fluid dynamics offers a systematic structure—which underlies these practical disciplines—that embraces empirical and semi-empirical laws derived from flow measurement and used to solve practical problems. The solution to a fluid dynamics problem typically involves the calculation of various properties of the fluid, such as flow velocity, pressure, density, and temperature, as functions of space and ti ...
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Pseudoanalytic Function
In mathematics, pseudoanalytic functions are functions introduced by that generalize analytic functions and satisfy a weakened form of the Cauchy–Riemann equations. Definitions Let z=x+iy and let \sigma(x,y)=\sigma(z) be a real-valued function defined in a bounded domain D. If \sigma>0 and \sigma_x and \sigma_y are Hölder continuous, then \sigma is admissible in D. Further, given a Riemann surface F, if \sigma is admissible for some neighborhood at each point of F, \sigma is admissible on F. The complex-valued function f(z)=u(x,y)+iv(x,y) is pseudoanalytic with respect to an admissible \sigma at the point z_0 if all partial derivatives of u and v exist and satisfy the following conditions: :u_x=\sigma(x,y)v_y, \quad u_y=-\sigma(x,y)v_x If f is pseudoanalytic at every point in some domain, then it is pseudoanalytic in that domain. Similarities to analytic functions * If f(z) is not the constant 0, then the zeroes of f are all isolated. * Therefore, any analytic continuat ...
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Lipman Bers
Lipman Bers ( Latvian: ''Lipmans Berss''; May 22, 1914 – October 29, 1993) was a Latvian-American mathematician, born in Riga, who created the theory of pseudoanalytic functions and worked on Riemann surfaces and Kleinian groups. He was also known for his work in human rights activism.. Biography Bers was born in Riga, then under the rule of the Russian Czars, and spent several years as a child in Saint Petersburg; his family returned to Riga in approximately 1919, by which time it was part of independent Latvia. In Riga, his mother was the principal of a Jewish elementary school, and his father became the principal of a Jewish high school, both of which Bers attended, with an interlude in Berlin while his mother, by then separated from his father, attended the Berlin Psychoanalytic Institute. After high school, Bers studied at the University of Zurich for a year, but had to return to Riga again because of the difficulty of transferring money from Latvia in the international ...
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Cardiac Surgery
Cardiac surgery, or cardiovascular surgery, is surgery on the heart or great vessels performed by cardiac surgeons. It is often used to treat complications of ischemic heart disease (for example, with coronary artery bypass grafting); to correct congenital heart disease; or to treat valvular heart disease from various causes, including endocarditis, rheumatic heart disease, and atherosclerosis. It also includes heart transplantation. History 19th century The earliest operations on the pericardium (the sac that surrounds the heart) took place in the 19th century and were performed by Francisco Romero (1801) in the city of Almería (Spain), Dominique Jean Larrey (1810), Henry Dalton (1891), and Daniel Hale Williams (1893). The first surgery on the heart itself was performed by Axel Cappelen on 4 September 1895 at Rikshospitalet in Kristiania, now Oslo. Cappelen ligated a bleeding coronary artery in a 24-year-old man who had been stabbed in the left axilla and was in ...
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