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  2. Collatz conjecture - Wikipedia

    en.wikipedia.org/wiki/Collatz_conjecture

    As an illustration of this, the parity cycle (1 1 0 0 1 1 0 0) and its sub-cycle (1 1 0 0) are associated to the same fraction ⁠ 5 / 7 ⁠ when reduced to lowest terms. In this context, assuming the validity of the Collatz conjecture implies that (1 0) and (0 1) are the only parity cycles generated by positive whole numbers (1 and 2 ...

  3. Quiz bowl - Wikipedia

    en.wikipedia.org/wiki/Quiz_bowl

    During a quiz bowl game, two teams of usually up to four or five players are read questions by a moderator. [1] [15] When there are more than four players on a team, the team has to substitute its players for different games. Each player usually has an electronic buzzer to signal in ("buzz") at any time during the question to give an answer. [13]

  4. National Science Bowl - Wikipedia

    en.wikipedia.org/wiki/National_Science_Bowl

    The bonus question is always in the same category as the corresponding toss-up question, though it may not always relate to the toss-up question. Since only one team has the opportunity to answer the bonus question, there is no need to buzz in to answer it. After the moderator finishes reading the question, the team has 20 seconds to answer.

  5. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Also in 2016, Quizlet launched "Quizlet Live", a real-time online matching game where teams compete to answer all 12 questions correctly without an incorrect answer along the way. [15] In 2017, Quizlet created a premium offering called "Quizlet Go" (later renamed "Quizlet Plus"), with additional features available for paid subscribers.

  6. Wikipedia:Reference desk/Mathematics - Wikipedia

    en.wikipedia.org/.../Mathematics

    but none of these primes p has 2^p-1 is known to be prime, the status of 2^(2^89-1)-1 and 2^(2^107-1)-1 are still unknown (see double Mersenne number), but if at least one of them is prime, then will disprove this conjecture (none of the 52 known Mersenne primes are == 1 mod 2^61-1 or 2^127-1), I think that this conjecture may be as hard as the ...

  7. AOL Mail

    mail.aol.com/d?reason=invalid_cred

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  8. Hermann Weyl - Wikipedia

    en.wikipedia.org/wiki/Hermann_Weyl

    Hermann Klaus Hugo Weyl, ForMemRS [1] (German:; 9 November 1885 – 8 December 1955) was a German mathematician, theoretical physicist, logician and philosopher.Although much of his working life was spent in Zürich, Switzerland, and then Princeton, New Jersey, he is associated with the University of Göttingen tradition of mathematics, represented by Carl Friedrich Gauss, David Hilbert and ...

  9. MathOverflow - Wikipedia

    en.wikipedia.org/wiki/MathOverflow

    MathOverflow is a mathematics question-and-answer (Q&A) website, which serves as an online community of mathematicians. It allows users to ask questions, submit answers, and rate both, all while getting merit points for their activities. [1] It is a part of the Stack Exchange Network, but distinct from math.stackexchange.com.