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  2. List of unsolved problems in mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Thurston's 24 questions [4] [5] 24-William Thurston: 1982 Smale's problems: 18: 14: Stephen Smale: 1998 Millennium Prize Problems: 7: 6 [6] Clay Mathematics Institute: 2000 Simon problems: 15 <12 [7] [8] Barry Simon: 2000 Unsolved Problems on Mathematics for the 21st Century [9] 22-Jair Minoro Abe, Shotaro Tanaka: 2001 DARPA's math challenges ...

  3. Magic square - Wikipedia

    en.wikipedia.org/wiki/Magic_square

    This sum can also be found in the four outer numbers clockwise from the corners (3+8+14+9) and likewise the four counter-clockwise (the locations of four queens in the two solutions of the 4 queens puzzle [50]), the two sets of four symmetrical numbers (2+8+9+15 and 3+5+12+14), the sum of the middle two entries of the two outer columns and rows ...

  4. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    Historically, the concept of a proof and its associated mathematical rigour first appeared in Greek mathematics, most notably in Euclid's Elements. [4] Since its beginning, mathematics was primarily divided into geometry and arithmetic (the manipulation of natural numbers and fractions), until the 16th and 17th centuries, when algebra [a] and ...

  5. English language - Wikipedia

    en.wikipedia.org/wiki/English_language

    Old English was divided into four dialects: the Anglian dialects (Mercian and Northumbrian) and the Saxon dialects (Kentish and West Saxon). [35] Through the educational reforms of King Alfred in the 9th century and the influence of the kingdom of Wessex , the West Saxon dialect became the standard written variety . [ 36 ]

  6. Kyiv - Wikipedia

    en.wikipedia.org/wiki/Kyiv

    The annual 5.5-kilometre (3.4-mile) "Run under the Chestnuts" is a popular public sporting event in Kyiv, with hundreds taking part every year. Kyiv has many professional and amateur football clubs, including Dynamo Kyiv , Arsenal Kyiv and FC Obolon Kyiv but only Dynamo Kyiv play in the Ukrainian Premier League .

  7. Sikhism in Canada - Wikipedia

    en.wikipedia.org/wiki/Sikhism_in_Canada

    Sikhs thus make up 11.9% of British Columbia's federal delegation, 8.82% of Alberta's federal delegation, 4.96% of Ontario's federal delegation, and 1.28% of Quebec's federal delegation, even as Sikhs only make up 5.92%, 2.48%, 2.14%, and 0.28% of their provinicial populations respectively.

  8. Hinduism - Wikipedia

    en.wikipedia.org/wiki/Hinduism

    Hinduism (/ ˈ h ɪ n d u ˌ ɪ z əm /) [1] is an umbrella term [2] [3] [a] for a range of Indian religious and spiritual traditions (sampradayas) [4] [note 1] that are unified by adherence to the concept of dharma, a cosmic order maintained by its followers through rituals and righteous living, [5] [6] [7] [b] as first expounded in the Vedas.

  9. Planck constant - Wikipedia

    en.wikipedia.org/wiki/Planck_constant

    The Planck constant, or Planck's constant, denoted by , [1] is a fundamental physical constant [1] of foundational importance in quantum mechanics: a photon's energy is equal to its frequency multiplied by the Planck constant, and the wavelength of a matter wave equals the Planck constant divided by the associated particle momentum.