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  2. Pseudomathematics - Wikipedia

    en.wikipedia.org/wiki/Pseudomathematics

    Pseudomathematics, or mathematical crankery, is a mathematics-like activity that does not adhere to the framework of rigor of formal mathematical practice. Common areas of pseudomathematics are solutions of problems proved to be unsolvable or recognized as extremely hard by experts, as well as attempts to apply mathematics to non-quantifiable ...

  3. Category:Pseudomathematics - Wikipedia

    en.wikipedia.org/wiki/Category:Pseudomathematics

    Vedic Mathematics This page was last edited on 4 November 2020, at 07:59 (UTC). Text is ... This page was last edited on 4 November 2020, at 07:59 (UTC).

  4. List of incomplete proofs - Wikipedia

    en.wikipedia.org/wiki/List_of_incomplete_proofs

    A Series of Modern Surveys in Mathematics [Results in Mathematics and Related Areas. 3rd Series. A Series of Modern Surveys in Mathematics], vol. 39, Berlin, New York: Springer-Verlag , ISBN 978-3-540-65761-3 , MR 1771927

  5. Pseudoprime - Wikipedia

    en.wikipedia.org/wiki/Pseudoprime

    Fermat's little theorem states that if p is prime and a is coprime to p, then a p−1 − 1 is divisible by p.For an integer a > 1, if a composite integer x divides a x−1 − 1, then x is called a Fermat pseudoprime to base a.

  6. List of topics characterized as pseudoscience - Wikipedia

    en.wikipedia.org/wiki/List_of_topics...

    2012 phenomenon – a range of eschatological beliefs that cataclysmic or otherwise transformative events would occur on or around 21 December 2012. This date was regarded as the end-date of a 5,126-year-long cycle in the Mesoamerican Long Count calendar and as such, festivities to commemorate the date took place on 21 December 2012 in the countries that were part of the Maya civilization ...

  7. Pseudoalgebra - Wikipedia

    en.wikipedia.org/wiki/Pseudoalgebra

    This page was last edited on 7 November 2024, at 09:13 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  8. Pseudogroup - Wikipedia

    en.wikipedia.org/wiki/Pseudogroup

    In mathematics, a pseudogroup is a set of homeomorphisms between open sets of a space, satisfying group-like and sheaf-like properties. It is a generalisation [dubious – discuss] of the concept of a group, originating however from the geometric approach of Sophus Lie [1] to investigate symmetries of differential equations, rather than out of abstract algebra (such as quasigroup, for example).

  9. Wikipedia : WikiProject Mathematics/List of mathematics ...

    en.wikipedia.org/wiki/Wikipedia:WikiProject...

    Pakistan Institute of Nuclear Science & Technology-- Pakistan Mathematical Society-- Pakistan Statistical Society-- Palais–Smale compactness condition-- Palais theorem-- Palatini identity-- Paley construction-- Paley graph-- Paley–Wiener integral-- Paley–Wiener theorem-- Paley–Zygmund inequality-- Palindromic number-- Palindromic prime-- Palm calculus-- Palm–Khintchine theorem-- Pan ...