• The Nielsen realization problem is a question asked by Jakob Nielsen (1932, pp. 147–148) about whether finite subgroups of mapping class groups can act...
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  • Thumbnail for Jakob Nielsen (mathematician)
    theory Nielsen–Thurston classification Nielsen realization problem Werner Fenchel (June 1960). "Jakob Nielsen in memoriam". Acta Mathematica. 103 (3–4)...
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  • (1983), who used it to solve the Nielsen realization problem. Kerckhoff, Steven P. (1983), "The Nielsen realization problem", Annals of Mathematics, Second...
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  •  xiv+279. ISBN 978-4-431-70088-3. Kerckhoff, Steven P. (1983). "The Nielsen realization problem". Annals of Mathematics. Second Series. 117 (2): 235–265. CiteSeerX 10...
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  • topology) Lickorish–Wallace theorem (3-manifolds) Nielsen realization problem (geometric topology) Nielsen-Thurston classification (low-dimensional topology)...
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  • it is not negatively curved. The Nielsen realization problem was finally solved in 1980 by Kerckhoff. Yamabe problem. Yamabe claimed a solution in 1960...
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  • Thumbnail for Steven Kerckhoff
    most famous results is his resolution of the Nielsen realization problem, a 1932 conjecture by Jakob Nielsen. Along with William J. Floyd, he wrote large...
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  • similar algorithms for solving the factoring problem, the discrete logarithm problem, and the period-finding problem. "Shor's algorithm" usually refers to the...
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  • fermion doubling problem is intractably linked to chiral invariance by the Nielsen–Ninomiya theorem. Most strategies used to solve the problem require using...
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  • Thumbnail for Quantum computing
    Quantum computing (category Open problems)
    Retrieved 13 August 2023. Nielsen & Chuang 2010, p. 29. Nielsen & Chuang 2010, p. 126. Nielsen & Chuang 2010, p. 41. Nielsen & Chuang 2010, p. 201. Bernstein...
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  • Thumbnail for Riemann hypothesis
    the quantization would be a realization of the Hilbert–Pólya program. In a connection with this quantum mechanical problem Berry and Connes had proposed...
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  • with certain boundary conditions and because it is the most successful realization of the holographic principle, an idea in quantum gravity originally proposed...
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  • hypnagogic state can provide insight into a problem, the best-known example being August Kekulé’s realization that the structure of benzene was a closed...
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  • 2, 1991. p. D3. "Nielsen ratings". USA Today. October 9, 1991. p. D3. "Nielsen ratings". USA Today. October 16, 1991. p. D3. "Nielsen ratings". USA Today...
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  • Utos - Episodes "AGB Nielsen: NUTAM TV Ratings – December 5 - 7, 2016". www.lionheartv.net. Retrieved 2017-03-29. "AGB Nielsen: NUTAM TV Ratings – December...
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  • symmetry is now understood to be the Nambu-Goldstone non-linear symmetry realization mode, due to Yoichiro Nambu and Jeffrey Goldstone. The pion field is...
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  • explores themes of disillusionment and lost innocence associated with the realization that "everything's not Hollywood" in adulthood. Critics Richard Goldstein...
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  • driving Frank crazy and he offers Phoebe one of them. He comes to the realization that he could not possibly give up any of the children so Phoebe offers...
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  • her wedding day, while Frank decides to kill Sean himself. According to Nielsen Media Research, the episode was seen by an estimated 1.63 million household...
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  • the downtrodden". After that he started preaching his own religious realization which is only based on Bhakti. According to his doctrine, all traditional...
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  • program in mathematics called the geometric Langlands program. Another realization of S-duality in quantum field theory is Seiberg duality, which relates...
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  • profiting from his antagonism of the Sternbergs, leading him to the realization that Pinzolo is in fact merely a pawn of David's cousin Carole (Patricia...
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  • "National Nielsen Viewership (Sept. 22–28, 2003)". Los Angeles Times. October 1, 2003. Retrieved May 22, 2021 – via Newspapers.com. "Nielsen Report (September...
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  • studies the amount of communication required to solve a problem when the input to the problem is distributed among two or more parties. The study of communication...
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  • "National Nielsen Viewership (Sept. 11-17, 2000)". The Los Angeles Times. September 20, 2000. Retrieved May 12, 2023 – via Newspapers.com. "National Nielsen Viewership...
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  • "National Nielsen Viewership (Sept. 28-Oct. 4, 1998)". The Los Angeles Times. October 7, 1998. Retrieved May 9, 2021 – via Newspapers.com. "National Nielsen Viewership...
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  • Thumbnail for History of artificial intelligence
    learning, perception and mobility. There was a widespread realization that many of the problems that AI needed to solve were already being worked on by...
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  • while Hannah hides in Debra's house to avoid authorities. According to Nielsen Media Research, the episode was seen by an estimated 2.34 million household...
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  • "National Nielsen Viewership (Jan. 19–25, 1998)". The Los Angeles Times. January 28, 1998. Retrieved April 12, 2021 – via Newspapers.com. "National Nielsen Viewership...
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  • Thumbnail for Henrik Pontoppidan
    desire for social progress but despairing, later in his life, of its realization — present an unusually comprehensive picture of his country and his epoch...
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