domingo, 31 de maio de 2015
Lecture 2 Travel by modern analysis and number theory Harald Helfgott, Organized MATHEMATICAL laboratory Chebyshev лекция 2 | Путешествие по современным областям анализа и теории чисел | Harald Helfgott | Лекториум
CONFERENCIA MINISTRADA PELO MATEMATICO PERUANO Harald Helfgott SOBRE LA TEORIA DE NUMEROS NO LABORATORIO DE MATEMATICAS CHEBYSHEV
Путешествие по современным областям анализа и теории чисел, лекция 2, Курс: Путешествие по современным областям анализа и теории чисел, Лектор: Harald Helfgott, Организаторы: Математичеcкая лаборатория имени П.Л.Чебышева
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Harald Andrés Helfgott - Humboldt Professorship 2015 (EN)
Publicado em 5 de mai de 2015 Every odd number from seven upwards is the sum of three prime numbers according to Goldbach’s ternary conjecture, which has kept mathematicians busy since the 18th century. They have been searching for evidence to prove or refute the conjecture for over two hundred years - but, in spite of remarkable advances in the early 20th century and steady progress since then, a proof was not forthcoming.
In 2013, Peruvian mathematician, Harald Andrés Helfgott, gave a complete proof of the ternary Goldbach conjecture with some computer assistance. And it was not his first breakthrough in mathematics. He has solved fundamental problems on growth in groups and has contributed to the application of diophantine geometry in number theory. He is now set to become an Alexander von Humboldt Professor at the University of Göttingen, reinforcing the research focus on algebraic geometry and number theory and helping Göttingen to advance from an internationally recognised centre of excellence to become a global leader in the field.
Nominating University: University of Göttingen
Prof. Dr. Harald Andrés Helfgott Born in Peru in 1977, Harald Andrés Helfgott has been a senior researcher at the Centre national de la recherche scientifique (CNRS) in Paris since 2010, becoming a research professor in October 2014. He studied in the United States, first at Brandeis University and then at Princeton University, where he took his doctorate in 2003. He continued his career as a postdoc at Yale University, USA, and as a lecturer at the Université de Montréal, Canada. After a sojourn at the University of Bristol, UK, Helfgott joined CNRS in France in 2010. He is a member of the American Mathematical Society and the Société Mathématique de France. In his home country of Peru he holds an honorary professorship at the Universidad Nacional Mayor de San Marcos.
101 problems in algebra from the training of the USA IMO team Andreescu T., Feng Z
LINK ORIGINAL ENCONTRADO EN LA WEB
https://www.google.com.br/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CB0QFjAA&url=http%3A%2F%2Fdiendantoanhoc.net%2Fforum%2Findex.php%3Fapp%3Dcore%26module%3Dattach%26section%3Dattach%26attach_id%3D16257&ei=z0xrVZ7mM4TFggTi3oDgCQ&usg=AFQjCNHzqV_b_GSJUurp8KvqhvEi05Z3OQ&sig2=M9ERmv6wHUXT7DqbKw2X5g&bvm=bv.94455598,d.eXY
LINK ALTERNATIVO1
http://booksee.org/dl/725126/4c2899
LINK ALTERNATIVO2
https://books.google.com.br/books?id=SOhK0w08XnwC&lpg=PA139&ots=3qtR70eou-&dq=101%20problems%20in%20algebra%20from%20the%20training%20of%20the%20USA%20IMO%20team%20Andreescu%20T.%2C%20Feng%20Z&hl=pt-BR&pg=PP1#v=onepage&q&f=false
sábado, 30 de maio de 2015
SCIENCE A YEAR IN SPACE Exclusive: Space Station Astronauts Talk Loneliness, Missing the Weather and Their Crazy Work Schedule
Astronauts Scott Kelly and Terry Virts speak live from the space station The first six weeks of Scott Kelly’s marathon year aboard the International Space Station (ISS) haven’t been easy. There was the reacclimation to zero-gravity, the failure of a Russian cargo ship carrying needed supplies, the cancellation of singer Sarah Brightman’s planned visit—to say nothing of the constant, minute-by-minute work schedule that is the stuff of any day aboard the station. Kelly and astronaut Terry Virts discussed those things and more in one of at least four video chats TIME will conduct with the ISS during our exclusive Year in Space coverage. Phoning the station is not easy. It takes days of planning and at least an hour of sound checks before the uplink is made, and then long delays as questions and answers are relayed back and forth. It makes ordinary conversation a challenge. Still, even in the 14 minutes the connection lasted—during which the station passed over Canada, the Great Lakes, Minneapolis, Denver, and Southern California—Kelly and Virts were surprisingly open, sharing their feelings about both the camaraderie and the sublime loneliness of being where they are. Kelly especially must be mindful of those feelings as he faces 10 more months of circling the Earth, while his family and friends and everything he knows lie 250 miles below him. “It’s one thing I think about every single day,” he said. And then, like any other astronaut, he put that aside and went back to his work.
LINK ORIGINAL
http://time.com/3859952/international-space-station-scott-kelly-nasa/
sexta-feira, 29 de maio de 2015
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