Wikipedia:Reference desk/Archives/Mathematics/January 2025

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Welcome to the Wikipedia Mathematics Reference Desk Archives
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January 1

Wikipedia:Reference_desk/Archives/Mathematics/2025 January 1

  1. What is the first number not contained in M136279841?

January 5

Wikipedia:Reference_desk/Archives/Mathematics/2025 January 5

  1. Reference request:coherence condition (adjoint functor)
  2. Concatenation of first 10 digits and last 10 digits of a number

January 8

Wikipedia:Reference_desk/Archives/Mathematics/2025 January 8

  1. Even Fermat pseudoprimes
  2. Rectifying latitude

January 10

Wikipedia:Reference_desk/Archives/Mathematics/2025 January 10

  1. Knot equivalence

January 15

Wikipedia:Reference_desk/Archives/Mathematics/2025 January 15

  1. Least common multiple

January 17

Wikipedia:Reference_desk/Archives/Mathematics/2025 January 17

  1. Probability questions

January 18

Wikipedia:Reference_desk/Archives/Mathematics/2025 January 18

  1. Is it possible to tweak Kunerth's algorithm so that it returns a different possible solution ?

January 19

Wikipedia:Reference_desk/Archives/Mathematics/2025 January 19

  1. Looking for a function like y=1/x with adjustable corner curve

January 23

Wikipedia:Reference_desk/Archives/Mathematics/2025 January 23

  1. Given an integer for which a square root against a large semiprime modulus exists, is the number of possible square roots always 4 ?

January 28

Wikipedia:Reference_desk/Archives/Mathematics/2025 January 28

  1. Fermat polygonal number theorem for centered polygonal numbers and generalized polygonal numbers

January 29

Wikipedia:Reference_desk/Archives/Mathematics/2025 January 29

  1. Example of Jones formula

January 31

Wikipedia:Reference_desk/Archives/Mathematics/2025 January 31

  1. Why does this algorithm always lead to the trivial square root of y when y is a perfect square?
  2. Numbers m such that there is n such that eulerphi(eulerphi(n)) = m but there is no number with exactly m primitive roots
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