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Semjon Adlaj

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Semjon Adlaj is a prominent Russian mathematician and physicist, known for applying advanced mathematical methods to fundamental problems of classical mechanics. His results include introducing the MAGM for calculating the length of a thread in a linear parallel force field.[1] His formula

links the length of a thread in linear parallel repelling force field with the Jacobi elliptic modulus . The fact that the MAGM can be calculated in two equivalent ways, one of which is mediated via the AGM, allows us to attain an eloquent formula for the perimeter of an ellipse of an ellipse with semi-axes and :

as well as, a succint formula for :

where is the AGM of 1 and , and is the MAGM of 1 and .[2]

Semjon Adlaj attained new efficient formulas for calculating integrals of elliptic functions, based on the Galois elliptic function.

In 2018 he coauthored a paper,[3] where the Galois axis was introduced into rigid body dynamics.

References[edit]

  1. Адлай, Семён (2018-08-30). Равновесие нити в линейном параллельном поле сил. LAP LAMBERT Academic Publishing. ISBN 978-3-659-53542-0. Search this book on
  2. Brent, Richard, Old and New Algorithms for pi, Letters to the Editor, Notices of the AMS 60(1), p. 7
  3. Adlaj S. Berestova S. Misura N. Mityushov E. (2018). "Illustrations of Rigid Body Motion Along a Separatrix in the Case of Euler-Poinsot". Computer Tools in Science and Education (2): 05–13. Retrieved 2018-10-30.

External links[edit]


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