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  1. Collatz conjecture - Wikipedia

    The Collatz conjecture states that all paths eventually lead to 1. The Collatz conjecture[a] is one of the most famous unsolved problems in mathematics. The conjecture asks whether repeating two simple …

  2. Collatz Conjecture 3n+1 Calculator - Online Sequence Algorithm

    The Collatz Conjecture (or Syracuse Conjecture), also known as the 3n+1 problem, states that applying the 3n+1 algorithm to any positive integer will always end up with the number 1.

  3. The 3x+1 problem! - Mathematical Gemstones

    Aug 12, 2012 · We worked together last summer on the notorious 3 x + 1 conjecture (also known as the Collatz conjecture), an open problem which is so easy to state that a child can understand the …

  4. 3x+1 problem - OeisWiki

    Apr 4, 2017 · The 3x+1 problem concerns an iterated function and the question of whether it always reaches 1 when starting from any positive integer. It is also known as the Collatz problem or the …

  5. [2111.02635] The 3x+1 Problem: An Overview - arXiv.org

    Nov 4, 2021 · View a PDF of the paper titled The 3x+1 Problem: An Overview, by Jeffrey C. Lagarias

  6. This problem is simple to state and therefore seems easy to tackle. However, it is an old problem, and remains unsolved, though much work has been done on it by numerous promising mathematicians.

  7. What can mathematics currently say about this problem? How can this problem be hard, when it is so easy to state?

  8. On The 3x + 1 Problem - Eric R

    SUMMARY: The so-called 3x+1 problem is to prove that all 3x+1 sequences eventually converge. The sequences themselves however and their lengths display some interesting properties and raise …

  9. Collatz Problem -- from Wolfram MathWorld

    A problem posed by L. Collatz in 1937, also called the 3x+1 mapping, 3n+1 problem, Hasse's algorithm, Kakutani's problem, Syracuse algorithm, Syracuse problem, Thwaites conjecture, and Ulam's …

  10. The 3x+1 problem and its generalizations - Simon Fraser University

    The 3x+1 problem, also known as the Collatz problem, the Syracuse problem, Kakutani's problem, Hasse's algorithm, and Ulam's problem, concerns the behavior of the iterates of the function which …