20 out. A Vida e Obra de Pitágoras Quem foi Pitágoras? Alguns Pensamentos de Pitágoras O que aconteceu depois da morte de Pitágoras? Por volta. 3 INVENTOS MÁS IMPORTANTES DE ARQUÍMEDES 1º- EL TEOREMA DE PITÁGORAS 2º-NÚMEROS IRRACIONALES 3º-SÓLIDOS. Main · Videos; Biografia de pitagoras resumida yahoo dating. a wing like that flattens the typewriter that the typewriter isn't volatile whereas safe. The patent wing.
Edward Witten - Wikipedia
Research[ edit ] Fields medal work[ edit ] Witten was awarded the Fields Medal by the International Mathematical Union inbecoming the first physicist to win the prize. In a written address to the ICMMichael Atiyah said of Witten,  Although he is definitely a physicist as his list of publications clearly shows his command of mathematics is rivaled by few mathematicians, and his ability to interpret physical ideas in mathematical form is quite unique. Time and again he has surprised the mathematical community by a brilliant application of physical insight leading to new and deep mathematical theorems In his hands physics is once again providing a rich source of inspiration and insight in mathematics.
Edward Witten left with mathematician Shigefumi Moriprobably at the ICM in where they received the Fields Medal As an example of Witten's work in pure mathematics, Atiyah cites his application of techniques from quantum field theory to the mathematical subject of low-dimensional topology. In the late s, Witten coined the term topological quantum field theory for a certain type of physical theory in which the expectation values of observable quantities encode information about the topology of spacetime.
It establishes Minkowski space as a stable ground state of the gravitational field. While the original proof of this result due to Richard Schoen and Shing-Tung Yau used variational methods  Witten's proof used ideas from supergravity theory to simplify the argument.
A third area mentioned in Atiyah's address is Witten's work relating supersymmetry and Morse theory a branch of mathematics that studies the topology of manifolds using the concept of a differentiable function.
Witten's work gave a physical proof of a classical result, the Morse inequalitiesby interpreting the theory in terms of supersymmetric quantum mechanics. M-theory[ edit ] By the mid s, physicists working on string theory had developed five different consistent versions of the theory.
The thinking was that out of these five candidate theories, only one was the actual correct theory of everythingand that theory was the one whose low-energy limit matched the physics observed in our world today. Speaking at the string theory conference at University of Southern California inWitten made the surprising suggestion that these five string theories were in fact not distinct theories, but different limits of a single theory which he called M-theory. Rector of the National University[ edit ] Vasconcelos returned to Mexico during the interim presidency of Sonoran Adolfo de la Huerta was named rector the National Autonomous University of Mexico   As rector, he had a great deal of power, but he accrued even more by ignoring the standard structures, such as the University Council, to govern the institution.
Vasconcelos is said to have declared "I have not come to govern the University but to ask the University to work for the people. Vasconcelos traveled through Mexico while he was rector of the university seeking that support.
The effort succeeded and Vasconcelos was named head of the new cabinet level secretariat in July He worked in favor of the education of the masses and sought to make the nation's education secular, civic, and Pan-American americanista lines. He ran for president in but lost to Pascual Ortiz Rubio in a controversial election and again left the country.
Philosophical thought[ edit ] Vasconcelos' first writings on philosophy are passionate reactions against the formal, positivistic education at the National Preparatory School, formerly under the influence of porfirian thinkers like Justo Sierra and Gabino Barreda.
A second period of productivity was fed by a first disappointment in the political field, after Madero's murder. Then he wrote, ina long essay on Pythagorismas a dissertation on the links between harmony and rhythmand its eventual explanation into a frame of aesthetic monism. As he argued that only by the means of rhythm is the human being able to know the world without any intermediation, he proposed that the minimal aspects of cognition are conditioned by a degree of sympathy with the natural "vibration" of things.
In this manner, he thought that the auditive categories of knowledge were much higher than the visual ones. During a later period, Vasconcelos developed an argument for the mixing of races, as a natural and desirable direction for humankind. Finally, between and he tried to consolidate his proposals by publishing his main topics organized in three main works: In the final part of his life, he gradually fell into a deeply Catholic political conservatism.
Before the Second World War, he began writing sympathetically about Franco, and he retracted some of his earlier liberal positions. Vasconcelos is often referred to as the father of the "indigenismo" philosophy.
According to one of her biographers, Charlotte Chandlershe had at first considered the Nazis only a "temporary aberration, 'too foolish to be taken seriously'. She believed Germany would not start a war. Chandler adds, "Ingrid felt guilty all the rest of her life because when she was in Germany at the end of the war, she had been afraid to go with the others to witness the atrocities of the Nazi extermination camps". Hydeall in the United States, Bergman co-starred with Humphrey Bogart in the classic film Casablancawhich remains her best-known role.
In this film, she played the role of Ilsa, the beautiful Norwegian wife of Victor Laszlo, played by Paul Henreidan "anti-Nazi underground hero" who is in Casablancaa haven from the Nazis. There is something mystical about it. It seems to have filled a need, a need that was there before the film, a need that the film filled".
3 INVENTOS MÁS IMPORTANTES DE PITÁGORAS by Daniel Carracedo Pocero on Prezi
For the role, she received her first Academy Award nomination for Best Actress. The film was taken from Ernest Hemingway 's novel of the same title. When the book was sold to Paramount PicturesHemingway stated that, "Miss Bergman, and no one else, should play the part".
His opinion came from seeing her in her first American role, Intermezzo, although he hadn't yet met her. A few weeks later, they did meet, and after studying her, he said, "You are Maria!
The film, according to Thomson, "was the peak of her Hollywood glory". Mary'sopposite Bing Crosbyfor which she received her third consecutive nomination for Best Actress. She was a student of the acting coach Michael Chekhov during the s. Chekhov acted with Bergman in Spellbound and received his only Academy Award nomination for his performance.
Bergman had championed the role since her arrival in Hollywood, which was one of the reasons she had played it on the Broadway stage in Anderson's play. The film was not a big hit with the public, partly because of the scandal of Bergman's affair with Italian film director Roberto Rosselliniwhich broke while the film was still in theatres.
Even worse, it received disastrous reviews, and, although nominated for several Academy Awards, did not receive a Best Picture nomination. It was subsequently cut by 45 minutes, but restored to full length inand released in on DVD.
During a press conference in Washington, D. This led to a lot of publicity and some hate mail.Teorema de Pitágoras - Aula 01
Soon after the war ended, she also went to Europe for the same purpose, where she was able to see the devastation caused by the war.
InBergman wrote to Rossellini, expressing this admiration and suggesting that she make a film with him. This led to her being cast in his film Stromboli During production, Bergman fell in love with Rossellini, they began an affair, and Bergman became pregnant with their son, Renato Roberto Ranaldo Giusto Giuseppe "Robin" Rossellini born 2 February Ed Sullivan chose not to have her on his show, despite a poll indicating that the public wanted her to appear.
She had played a nun in The Bells of St. Mary'sand a virgin saint in Joan of Arc Bergman later said, "People saw me in Joan of Arc, and declared me a saint. I'm just a woman, another human being. She went through a publicized divorce and custody battle for their daughter. Bergman and Rossellini were married on 24 May Isabella Rosselliniwho became an actress and model, and Isotta Ingrid Rossellini, who became a professor of Italian literature.
Pythagoras of Samos
Stromboli and "neorealism"[ edit ] Rossellini completed five films starring Bergman between and Rossellini directed her in a brief segment of his documentary film, Siamo donne We, the Womenwhich was devoted to film actresses. In Bergman's first film with Rossellini, her character was "defying audience expectations" in that the director preferred to work without a script, forcing Bergman to act "inspired by reality while she worked, a style which Bondanella calls 'a new cinema of psychological introspection'".
Although the film was not a success, her performance in it has since come to be regarded as one of her best. With her starring role in 's AnastasiaBergman made a triumphant return to working for a Hollywood studio albeit in a film produced in Europe and won the Academy Award for Best Actress for a second time.
Its director, Anatole Litvakdescribed her as "one of the greatest actresses in the world". He also offered his description of her at the time: Ingrid looks better now than she ever did.
She's 42, but she looks divine. She is a simple, straightforward human being.