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'migrant mathematician' ; born Fereydoun Derakhshani (Persian: فریدون درخشانی‎ ); July 1978, in Marivan County, Kurdistan Province, Iran) is a UK-based Iranian Kurdish mathematician and a professor at the University of Cambridge. Nearby sits a collection of objects from Birkar’s travels (right). Marivan was heavily affected by the eight-year-long Iraqi war on Iran during the 1980s. We prove existence of positive lower bounds in different settings, in particular, proving a conjecture of Ambro. Introduction 1 His contributions to the Minimal Model Program including the nite generation of the canonical ring and the existence of ips. “We are hoping to find objects that have the same kind of curvature everywhere,” Kollár said. Photo by Philipp Ammon for Quanta Magazine; Illustration by Olena Shmahalo/Quanta Magazine, This spring, not long after Caucher Birkar learned that he would be receiving the Fields Medal, the highest honor in mathematics, he shared a memory from his undergraduate years. Caucher has an elder brother, Haidar; sister elder to him Leila; and a younger brother, Shakhawan. His mother had no formal education at all. Most people really gave up,” Birkar said. Ces résultats sont considérés comme une avancée majeure dans le domaine de la géométrie arithmétique[6]. Kevin Hartnett (pinboard); Philipp Ammon for Quanta Magazine (objects). We prove existence of positive lower bounds in different settings, in particular, proving a conjecture of Ambro. No two equations are exactly alike, but Birkar has helped reveal that many can be neatly categorized into a small number of families. Get Quanta Magazine delivered to your inbox. Each class has a different type of uniform curvature (either uniformly positive, uniformly flat or uniformly negative, respectively). At a conference in 2002 in Cambridge, Birkar met Vyacheslav Shokurov, a mathematician at Johns Hopkins University. He’d rather have spent his time with the few pigeons he kept on the roof of their dilapidated house. 2 His proof of the BAB conjecture … People ... Caucher Birkar (photo: Pablo Costa) Caucher Birkar, Fields Medal 2018. Explore Birkar genealogy and family history in the World's Largest Family Tree. Abstract. Quanta Magazine moderates comments to facilitate an informed, substantive, civil conversation. Caucher Birkar FRS (Kurdish: کۆچەر بیرکار/Koçer Bîrkar‎, lit. When Birkar was very young, he liked to be near his mother, Sakina, while she baked bread. Birkar est né en 1978 à Marivan, dans la province du Kurdistan, en Iran, où il commence sa scolarité. The two offer different ways of looking at the same problems. But he eventually applied for asylum in Britain and was arbitrarily settled in Nottingham, where he lived with three other asylum … We prove existence of positive lower bounds in di erent settings, in particular, proving a conjecture of Ambro. Le Kurde iranien Caucher Birkar, qui s'est fait voler le 1er août 2018 la médaille Fields de mathématiques quelques minutes après l'avoir reçue à Rio de Janeiro (Brésil), en a … Shokurov was one of the few mathematicians who did not. On one side there’s algebra, the study of equations, and on the other side there’s geometry, the study of shapes. She wore a white headscarf and was sitting on a couch between Birkar’s oldest brother and his father, Majid. “Maybe I didn’t prove anything significant, but just the experience, that kind of attitude, proved to be useful in the later stages of my education,” he said. When he returns home from Rio this month, he’ll get to work exploring more specific features of their geometry. 'migrant mathematician'; born Fereydoun Derakhshani (Persian: فریدون درخشانی ‎); July 1978) is a UK-based Iranian Kurdish mathematician and a professor at the University of Cambridge. Caucher Birkar. Although we were aware of the danger as children we still tried to … From Wikimedia Commons, the free media repository. Below is an extract of the article published by BBC: One of the most prestigious prizes in mathematics, the Fields Medal, has been handed out at a ceremony in Brazil. Birkar’s work on algebraic varieties is part of an ongoing effort known as the minimal model program. Jumping into a border-bound car with three of their friends, they drove by the family home of the village’s most famous resident, Cambridge mathematician Caucher Birkar. L'organisation du congrès international de mathématiques a confirmé le vol et collabore avec les autorités de police qui enquêtent sur cette affaire. Post-surgery, many previously distinct varieties will now look the same; these are said to belong to the same “birational equivalence class.”. An older brother started teaching him mathematics beyond what was in his textbooks, and he won acceptance into Tehran University, where his interest in math was further nurtured. We had a piece of land around the village and we—including myself and my … Caucher Birkar in his home garden near Cambridge, England. Akshay Venkatesh In his Childhood. People ... Caucher Birkar (photo: Pablo Costa) Caucher Birkar, Fields Medal 2018. Caucher Birkar with his Fields Medal in 2018. Il déclare cette récompense comme un aboutissement de ses rêves d’adolescent « lorsqu’il regardait les portraits des médaillés Fields sur les murs de son club de maths à Téhéran[7] ». Straight from the heart of Mariwan, Caucher Birkar’s family celebrate the tremendous achievement of winning a Fields Award. “You get ideas from someone, somewhere, and you create something new,” he said. “A lot of it goes on in my mind. Because of this, each line can be defined, or “parameterized,” by these points (or just one of these points). The professor’s family remains in his home village, where they along with other Iranian Kurds are under threat from the Tehran regime. Caucher Birkar, a Kurdish refugee from Iran, was one of four winners of the Fields Medal, often dubbed the "Nobel Prize of Mathematics", at the International Congress … Caucher Birkar: Fields award is a gift to the Kurdish nation 02-08-2018 Rudaw ... “I congratulate you and your family for this great success. Caucher Birkar was born in 1978, growing up in the war-torn Kurdish mountains between Iran and Iraq, before arriving in the UK in 2000 seeking political refuge, and being placed here in Nottingham. He’d rather have spent his time with the few … Let $(X/Z,B)$ be a lc pair with $K_X+B$ pseudo-effective$/Z$ and $Z$ affine. “You can go between these two sides and enrich both of them.”. The British government places him in Nottingham where he enrolls at the University. By taking … Caucher Birkar is being recognized for his outstanding work in Birational Algebraic Geometry of Complex Projective Varieties and especially for: Christopher Hacon The Mathematical Work of Caucher Birkar. Cette branche fondamentale des mathématiques fait la synthèse entre les approches géométriques et algébriques des problèmes. Video: Birkar discusses the need for originality in mathematics and in life. He won the Fields medal for finding connections between seemingly unrelated equations. modifier - modifier le code - modifier Wikidata. This area of mathematics does exactly what its name suggests: it tries to understand geometric objects using equations that describe them. Birational geometry is a way of transforming algebraic varieties so that they can be classified. That year he published two papers that settled one of the most important issues regarding the nature of specific types of Fano varieties. Physical Appearance. Il étudie les mathématiques à l'université de Téhéran où il obtient une licence[4]. Birkar was born in July 1978 in Marivan, a Kurdish city in western Iran (close to the Iraq border), to Mr. Majid Birkar and Mrs. Sakina Birkar. It’s a type of surgery: You start with an algebraic variety, which has its own idiosyncratic form, then cut off some of its bumps and smooth out some of its creases, until you end up with a more generic shape. “He’s really into mastering the technical details of the problem at hand, and with great success.”. “That’s why finiteness is important, because in a way you can say something about all of them at the same time.”. “My impression is he tends to be a bit solitary, focused and determined on the problems he’s working on,” Hacon said. In his final year as an undergraduate he traveled to England. Akshay Venkatesh was born on 21 November 1981 (36 years) at Delhi, India.He belongs to a middle-class Hindu Tamil Brahmin family. This set is known as an “algebraic variety.” An infinite number of algebraic varieties exist; each has a unique geometric representation. Le 1er août 2018, Caucher Birkar obtient la prestigieuse médaille Fields lors de la cérémonie d'ouverture du congrès international des mathématiciens (ICM 2018) organisé pour la première fois en Amérique du Sud à Rio de Janeiro, au Brésil. That was when his life changed. Caucher Birkar FRS (Kurdish: کۆچەر بیرکار/Koçer Bîrkar‎, lit. “People are ecstatic about it from the bottom of their hearts,” he told Kurdistan 24 television channel. The papers proved that through the process of birational transformation, Fano varieties form a neat family that can be defined by a small number of characteristics. Il est spécialiste en particulier de la géométrie birationnelle de plus grande dimension dont les équations polynomiales. “We don’t want something that sometimes looks like a saddle, sometimes like a sphere, and sometimes has flat parts. His work involves various topics such as minimal models, Fano and Calabi-Yau and general type varieties, singularity theory, positive characteristic geometry, etc. Caucher Birkar (born July 1978, in Marivan, Kurdistan Province, Iran, as Fereydon Derakhshani فریدون درخشانی) is an Iranian mathematician and a professor at the University of Cambridge.He was awarded the Fields Medal in 2018, "for his proof of boundedness of Fano varieties and contributions to the minimal model problem".. The family was self-sufficient in a way that helped shelter Birkar from the worst of the tumult that engulfed the region during his childhood — the Islamic Revolution of 1979 and the brutal eight-year war with Iraq that soon followed. His family remembers him reading late into the night, often while listening to music — a habit he maintains today. Birkar’s recent work on Fano varieties is one of his most influential mathematical results, but it sprang from an impulse that has governed him since his self-guided initiation into mathematics almost three decades ago: an impulse to create something new. One of the main results in BCHM concerns the canonical bundle, which is a construct that stands at the center of birational geometry. Their father, who bought and resold stale bread to make ends meet, … Droit d'auteur: les textes sont disponibles sous licence Creative Commons attribution, partage dans les mêmes conditions; d’autres conditions peuvent s’appliquer.Voyez les conditions d’utilisation pour plus de détails, ainsi que les crédits graphiques. He’ll do so with a newfound status among mathematicians and an awareness of just how unlikely a person he is to have achieved it. As a high school student he started writing his own mathematical proofs. There are 2 profiles for the Birkar family on Geni.com. “All these cultures make things more interesting to me. It's an idea you might be familiar with from school. Akshay Venkatesh’s physical appearance is that of a normal average person with 6′ height, 70 kg weight and has black eyes and his hair are salt and pepper.. Family, Religion, And Wife. There are many other types. Even by that time he had come a long way. 'migrant mathematician'; born Fereydoun Derakhshani (Persian: فریدون درخشانی‎); July 1978) is a UK-based Iranian Kurdish mathematician and a professor at the University of Cambridge. He proved that, following birational transformation, Fano varieties become like the lines passing through a point: They’re in an orderly enough relation to one another that they can be parameterized by the same neat geometric object. 'migrant mathematician' ; born Fereydoun Derakhshani (Persian: فریدون درخشانی‎ ); July 1978, in Marivan County, Kurdistan Province, Iran) is a UK-based Iranian Kurdish mathematician and a professor at the University of Cambridge. “The most important thing is the shape, the form, the structure of the set of solutions,” Birkar said. That’s too complicated.”. Category:Caucher Birkar. Sometimes, when he wasn’t meeting maths But if you can define a seemingly discordant set of objects by means of a finite set of traits, you’ve made some progress. Professor Caucher Birkar, right, at the award ceremony in Rio de Janeiro, Brazil. But Birkar and his siblings went to the village school. Caucher Birkar has been awarded a Fields medal for his contributions to a field of maths called algebraic geometry.The area does exactly what its name suggests: it tries to understand geometric objects using equations that describe them. Caucher Birkar FRS (Kurdish: کۆچەر بیرکار/Koçer Bîrkar‎, lit. She wore a white headscarf and was sitting on a couch between Birkar’s oldest brother and his father, Majid. She remembers a scene from when Birkar was about three. Now draw a circle centered on that point. Birkar is an important contributor to modern birational geometry. Speaking over a crackly connection from China, where Birkar is giving a lecture, he tells me how his family made a living off the land in western Iran: “My parents were farmers, as all my ancestors were farmers. He is also widely regarded as the single most influential mathematician of the second half of the 20th century. According to our current on-line database, Caucher Birkar has 1 student and 1 descendant. By high school Birkar had outrun his older brother’s mathematical knowledge and was left to learn the subject on his own. We then show that the Borisov-Alexeev-Borisov conjecture holds, that is, given a natural number dand a positive real number , … Moderators are staffed during regular business hours (New York time) and can only accept comments written in English. Caucher Birkar was born in Marivan near border between Iran and Iraq in 1978 He came to Nottingham in his final year at the University of Tehran in … They can have more variables, and those variables can be raised to different degrees. Caucher Birkar (sinh tháng 7 năm 1978, tiếng Kurd: کۆچەر بیرکار), còn được gọi là Fereydoun Derakhshani [cần dẫn nguồn], là một nhà toán học người Kurd người Iran và một công dân Anh. The three classes are generic shapes, in the same way that the term “insect” is generic relative to the specific organisms that fall under that heading. On a typical day he will work at the table, getting up to pace and think, make tea, or put on music, often classical or contemporary Kurdish songs. Caucher Birkar FRS (Kurdish: کۆچەر بیرکار/Koçer Bîrkar‎, lit. The young Caucher Birkar did not usually roam the campus of Nottingham University. We then show that the Borisov-Alexeev-Borisov conjecture … That was when his life changed. Nothing serious, it was just a little feeling that I’m good in mathematics,” he said. There was a lot about his future that Birkar couldn’t have predicted at that time: his flight from Iran, his request for political asylum, the push to rekindle a nearly abandoned field of mathematics. They also kept cows and the occasional horse. From to appear in forthcoming issues by Caucher Birkar. He changes his name to Caucher Birkar, the migrant mathematician in Kurdish. the four authors: Caucher Birkar, Paolo Cascini, Christopher Hacon, and James McKernan. Caucher Birkar Kurdish mathematician. Since then, mathematicians have made great progress in classifying algebraic varieties in every dimension, and Birkar is among a small number of mathematicians at the center of it all. Caucher Birkar FRS (Kurdish: کۆچەر بیرکار/Koçer Bîrkar‎, lit. Birkar in his home near Cambridge, playing Kurdish songs on a drum from Thailand, his wife’s native country. Early on in their relationship, Shokurov took Birkar skiing a few hours from Baltimore. There was no one at the University of Nottingham who specialized in algebraic geometry, the field Birkar hoped to enter. If you plot its solutions you get a geometric object — a straight line. 2002: He meets Vyacheslav Shokurov and starts … Caucher Birkar, a 40-year-old specialist in algebraic geometry, reported his briefcase missing less than an hour after he was handed his 14-karat gold medal on August 1 … “I read all these books and I had the feeling that just reading things is not enough. “He was probably the only person I knew who followed his interests, not only to do good in school. “I would have loved to go to Qanih’s to tell him not to worry, Kurds can progress as well,” wrote Caucher in a Facebook post on Thursday, referring to … mountainous region along the Iran-Iraq border where Birkar’s family has lived for generations. An infinite number of such lines exists. Professor Caucher Birkar. Caucher Birkar put the 14-karat gold medal, worth $4,000, in his briefcase at the ceremony in crime-plagued Rio de Janeiro and noticed it was gone soon afterward. His family lived on a subsistence farm growing rice, wheat and vegetables. Il a reçu la médaille Fields en 2018[2], « pour sa preuve de la limitation des variétés de Fano et des contributions au problème du modèle minimal ». « lorsqu’il regardait les portraits des médaillés Fields sur les murs de son club de maths à, [UT graduate wins the Fields Medal, a Nobel Prize of Mathematics, http://ut.ac.ir/en/news/6036/ut-graduate-wins-the-fields-medal-a-nobel-prize-of-mathematics, https://fr.wikipedia.org/w/index.php?title=Caucher_Birkar&oldid=178354855, Article de Wikipédia avec notice d'autorité, Page pointant vers des bases relatives à la recherche, Portail:Biographie/Articles liés/Sciences, licence Creative Commons attribution, partage dans les mêmes conditions, comment citer les auteurs et mentionner la licence. Nearby sits a collection of objects from Birkar’s travels. "[War-ridden] Kurdistan was an unlikely place for a kid to develop an interest in mathematics", commented Birkar in his acceptance video shown at the ICM opening ceremony in Rio. Algebraic geometry is a blending of cultures, too. Birkar made his biggest individual contribution to mathematics in 2016. In college he began to submit them to mathematical journals. Shokurov was impressed by how quickly Birkar picked it up, and also by his bearing. Mori, a mathematician at Kyoto University and the current president of the International Mathematical Union, won the Fields Medal in 1990 for this work. En 2003, il reçoit une bourse (Cecil King Travel Scholarship) de la London Mathematical Society[5]. One afternoon her grandfather said to her, “What kind of job does your husband have? The British government places him in Nottingham where he enrolls at the University. There are three broad birational equivalence classes: Fano varieties, Calabi-Yau varieties, and varieties of general type. Peu de temps après la remise, la médaille est dérobée. Caucher Birkar, Alessio Figalli and Peter Scholze, and Akshay Venkatesh are all … En 2000, à l'occasion d'un voyage en Angleterre pour un concours international de mathématiques, il obtient un statut de réfugié au Royaume-Uni et commence son doctorat à l'université de Nottingham, où il étudie de 2001 à 2004. Birkar proved that all Fano varieties in any dimension can be defined by a finite number of parameters. Shokurov was one of the few who stuck with the field through the 1990s. “The whole thing almost nearly stopped. He changes his name to Caucher Birkar, the migrant mathematician in Kurdish. 'migrant mathematician'; born Fereydoun Derakhshani ; July 1978, in Marivan County , Kurdistan Province , Iran ) is a UK -based Iranian Kurdish mathematician and a professor at the University of Cambridge . Not only has Birkar completely mastered this apparatus, he also … However, he knew that the family finances were in tatters. For example, the equation y=2x+1 describes a line of slope 2 which intersects the vertical axis of a standard Cartesian coordinate system at the point (0,1). A few years ago he was in Thailand, visiting his wife’s family. Due in large part to his efforts, birational geometry reawakened in the early 2000s. Sometimes the whole day maybe I write just one page,” he said. Caucher Birkar, Professor of Mathematics in the Department of Pure Mathematics and Mathematical Statistics, ... things that are like planes go into one family, things that are sphere-like go into another, and so on. Il est professeur à l'université de Cambridge. Birkar has proved there’s a finite number of characteristics that define Fano varieties, but there is still much more about this vast family of algebraic equations he’d like to know. A public event was held last Thursday in commemoration of the Kurdish … Birkar was born in 1978 to farmers in the Kurdistan Province of Iran, and went to school during the turmoils of the war between Iran and Iraq. They also kept cows and the … I also wanted to create my own stuff, to create something new,” he said. His mother was in the family’s house in Marivan, a Kurdish village in a mountainous region along the Iran-Iraq border where Birkar’s family has lived for generations. It was much more than that, he really was interested in certain things,” Birkar said. Birkar has done his most important mathematics in his dining room, working alone. In 1993, at the age of 11, he won a Bronze medal at the 24th International Physics Olympiad in Williamsburg, Virginia. (PHOTO MARCOS ARCOVERDE/ICM 2018) (PHOTO MARCOS ARCOVERDE/ICM 2018) In 2018 Caucher Birkar was awarded a Fields Medal for his contributions to an area of maths which goes the other way around from what we just described: algebraic geometry starts with geometric objects and uses algebra to describe … Born and raised in a rural subsistence farming village in the Kurdish region of western Iran, Birkar had made his way to the University of Tehran, one of the pre-eminent universities in the country. Birkar remembers his brother teaching him something else as well: that knowledge can be exquisite. This impulse is not so different from the urge to classify biological life — the living world feels more tractable to our minds, and more meaningful in its shape, if we think in terms of phyla and families rather than reckon with each organism on its own. Journal of the Mathematical Society of Japan. When he was 2-years-old, his family moved to Perth in Australia from Delhi; where he attended Scotch College. Caucher Birkar FRS (Kurdish: کۆچەر بیرکار/Koçer Bîrkar‎, lit. “To go from the point that I didn’t imagine meeting these people to the point where someday I hold a medal myself — I just couldn’t imagine that this would come true,” said Birkar, who turned 40 in July. Caucher Birkar was born in 1978, the third of six children. Caucher Birkar Abstract. His family lived on a subsistence farm growing rice, wheat and vegetables. To understand what this means, first picture the flat plane. Un article de Wikipédia, l'encyclopédie libre. En 2010, il a reçu le prix Leverhulme en mathématiques et en statistique pour ses contributions à la géométrie algébrique et, en 2016, le prix Moore[1] pour l'article Existence de modèles minimaux pour les variétés de type général log, Journal de l'American Mathematical Society (2010) (avec les co-auteurs P. Cascini, C. Hacon et J. McKernan) . In two papers published in 2016 he showed that an infinite number of different polynomials can be defined by a finite number of characteristics — a result which demonstrated that this bewildering array of seemingly unrelated algebraic equations shares something in common. 'migrant mathematician'; born Fereydoun Derakhshani (Persian: فریدون درخشانی‎); July 1978) is a UK-based Iranian Kurdish mathematician and a professor at the University of Cambridge. Akshay Venkatesh School Days. Le mathématicien kurde, Caucher Birkar, se fait voler sa médaille Fields La pochette dans laquelle se trouvait la médaille a disparu peu après avoir été remise à Caucher Birkar. All these cultures give you a sense of pleasure,” he said. Birational geometry had seen some major advances more than a decade earlier, but the field had fizzled out for lack of new ideas. Birkar, who specialises in algebraic geometry, was raised in Iran before seeking political asylum in Britain. Recipient of … Caucher Birkar, 40, arrived in Nottingham after his final year at the University of Tehran. It's an … Short bio of Caucher Birkar He attends the University in Tehran; 2000: He travels to England for a mathematics competition and asks political asylum. Here we speak to the winner, Cambridge mathematician Caucher Birkar 'migrant mathematician'; born Fereydoun Derakhshani (Persian: فریدون درخشانی ‎); July 1978) is a UK-based Iranian Kurdish mathematician and a professor at the University of Cambridge. Professor Didier Queloz. Meeting with Caucher Birkar The Workshop Program Time Presentation Titles Tuesday April 2nd, 2019 Representation theory of Diagram Algebras Lunch Integrability and linearizability of a family of three Gentle introduction to algebraic geometry On my research fields in numerical analysis Spectral Problem and Lacunary interpolation by spline function Approximation of q-numerical … “We’re focusing on the big picture and not worrying about varieties disagreeing on some small subset of points,” said Christopher Hacon, a mathematician at the University of Utah and a leading figure in birational geometry who will be giving a speech on Birkar’s work at the Fields Medal ceremony in Rio. In Birkar’s office at the University of Cambridge hangs a photograph of Alexander Grothendieck sitting in the middle of a group of activists. Ses travaux ont démontré qu'une variété infinie de ces équations peut être réduite à un nombre fini de catégories. At the time he met Birkar, Shokurov had been working for years in a nearly abandoned subfield of algebraic geometry called birational geometry. And today, at a ceremony in Rio de Janeiro, the honor of being selected as one of four winners of the Fields Medal, a prize conferred every four years by the International Mathematical Union on the most accomplished mathematicians in the world under the age of 40 at the beginning of the year in which the prize is awarded. Il est l'un des contributeurs principaux de la géométrie birationnelle moderne. “It was chaotic and wasn’t the best time growing up, my family moved a couple of times because of the threat. Upload media Wikipedia Wikiquote: Date of birth: July 1978 Marivan Fereydoun Derakhshani: Country of citizenship: Iran; United Kingdom; Educated at: University of Tehran; University of Nottingham; Doctoral advisor: … “The set of solutions is what we call roughly an algebraic variety.”. From what I've gathered based on searches, Caucher and Birkar are both, at least, Sorani Kurdish words. In joint work with Paolo Cascini, Christopher Hacon, and James McKernan, Birkar proved the existence of minimal models for …

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