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"Nina Karlovna Bari (, November 19, 1901, Moscow – July 15, 1961, Moscow) was a Soviet mathematician known for her work on trigonometric series.Biography of Nina Karlovna Bari, by Giota Soublis, Agnes Scott College. Early life and education Nina Bari was born in Russia on 19 November 1901, the daughter of Olga and Karl Adolfovich Bari, a physician. In 1918, she became one of the first women to be accepted to the Department of Physics and Mathematics at the prestigious Moscow State University. She graduated in 1921—just three years after entering the university. After graduation, Bari began her teaching career. She lectured at the Moscow Forestry Institute, the Moscow Polytechnic Institute, and the Sverdlov Communist Institute. Bari applied for and received the only paid research fellowship awarded by the newly created Research Institute of Mathematics and Mechanics. As a student, Bari was drawn to an elite group nicknamed the Luzitania—an informal academic and social organization. She studied trigonometric series and functions under the tutelage of Nikolai Luzin, becoming one of his star students. She presented the main result of her research to the Moscow Mathematical Society in 1922—the first woman to address the society. In 1926, Bari completed her doctoral work on the topic of trigonometric expansions, winning the Glavnauk Prize for her thesis work. In 1927, Bari took advantage of an opportunity to study in Paris at the Sorbonne and the College de France. She then attended the Polish Mathematical Congress in Lwów, Poland; a Rockefeller grant enabled her to return to Paris to continue her studies. Bari's decision to travel may have been influenced by the disintegration of the Luzitanians. Luzin's irascible, demanding personality had alienated many of the mathematicians who had gathered around him. By 1930, all traces of the Luzitania movement had vanished, and Luzin left Moscow State for the Academy of Science's Steklov Institute of Mathematics. In 1932, she became a professor at Moscow State University and in 1935 was awarded the title of Doctor of Physical and Mathematical Sciences, a more prestigious research degree than traditional Ph.D. By this time, she had completed foundational work on trigonometric series. Career and later life She was a close collaborator with Dmitrii Menshov on a number of research projects. She and Menshov took charge of function theory work at Moscow State during the 1940s. In 1952, she published an important piece on primitive functions, and trigonometric series and their almost everywhere convergence. Bari also posted works at the 1956 Third All- Union Congress in Moscow and the 1958 International Congress of Mathematicians in Edinburgh. Mathematics was the center of Bari's intellectual life, but she enjoyed literature and the arts. She was also a mountain hiking enthusiast and tackled the Caucasus, Altai, Pamir and Tian Shan mountain ranges in Russia. Bari's interest in mountain hiking was inspired by her husband, Viktor Vladimirovich Nemytskii, a Soviet mathematician, Moscow State professor and an avid mountain explorer. There is no documentation of their marriage available, but contemporaries believe the two married later in life. Bari's last work—her 55th publication—was a 900-page monograph on the state of the art of trigonometric series theory, which is recognized as a standard reference work for those specializing in function and trigonometric series theory. Death On 15 July 1961, Bari was killed when she fell in front of an oncoming metro train in Moscow. References Category:1901 births Category:1961 deaths Category:Soviet mathematicians Category:20th-century Russian mathematicians Category:Mathematical analysts Category:Moscow State University alumni Category:Moscow State University faculty Category:20th-century women mathematicians "
"Ostermann-Arena (formerly Wilhelm Dopatka Halle and Smidt-Arena) is an indoor sporting arena located in Leverkusen, Germany. The capacity of the arena is 3,500 people. It is home to the Bayer Giants Leverkusen basketball team. As Wilhelm Dopatka Halle, it was one of the host arenas for the FIBA EuroBasket 1985. References Wilhelm-Dopatka-Halle in the Leverkusen-guide Category:Indoor arenas in Germany Category:Buildings and structures in Leverkusen Category:Sports venues in North Rhine-Westphalia "
"The Bright Angel Point Trail is a hiking trail located on the North Rim of the Grand Canyon National Park, located in the U.S. state of Arizona. Description The Bright Angel Point Trail begins on the south side of the Grand Canyon Lodge complex, at the southern terminus of the Transept Trail, on the North Rim of the Grand Canyon. The trail is paved over its entire length. This easy trail follows a ridge line at the end of the Bright Angel Peninsula to Bright Angel Point, which offers a panoramic view of the canyon from its north side. Portions of the Cottonwood Campground, below rim, are visible from the end of the trail. Grand Canyon Village on the South Rim is visible about away across the canyon. There is no water available on trail. Hikers and tourists should stay off the trail when thunderstorms are in the area. Exposed points along the rim attract lightning. See also * The Grand Canyon * List of trails in Grand Canyon National Park References External links * Official Grand Canyon National Park website Category:Grand Canyon, North Rim Category:Hiking trails in Grand Canyon National Park "