Abstract:
We use the discriminantly separable polynomials of degree 2 in each of three variables to integrate explicitly the Sokolov case of a rigid body in an ideal fluid and integrable Kirchhoff elasticae in terms of genus 2 theta functions. The integration procedure is a natural generalization of the one used by Kowalevski in her celebrated 1889 paper. The algebraic background for the most important changes of variables in this integration procedure is associated to the structure of the two-valued groups on an elliptic curve. Such two-valued groups have been introduced by V. M. Buchstaber.
Citation:
Vladimir Dragović, Katarina Kukić, “The Sokolov case, integrable Kirchhoff elasticae, and genus 2 theta functions via discriminantly separable polynomials”, Algebraic topology, convex polytopes, and related topics, Collected papers. Dedicated to Victor Matveevich Buchstaber, Corresponding Member of the Russian Academy of Sciences, on the occasion of his 70th birthday, Trudy Mat. Inst. Steklova, 286, MAIK Nauka/Interperiodica, Moscow, 2014, 246–261; Proc. Steklov Inst. Math., 286 (2014), 224–239
\Bibitem{DraKuk14}
\by Vladimir~Dragovi{\'c}, Katarina~Kuki{\'c}
\paper The Sokolov case, integrable Kirchhoff elasticae, and genus~2 theta functions via discriminantly separable polynomials
\inbook Algebraic topology, convex polytopes, and related topics
\bookinfo Collected papers. Dedicated to Victor Matveevich Buchstaber, Corresponding Member of the Russian Academy of Sciences, on the occasion of his 70th birthday
\serial Trudy Mat. Inst. Steklova
\yr 2014
\vol 286
\pages 246--261
\publ MAIK Nauka/Interperiodica
\publaddr Moscow
\mathnet{http://mi.mathnet.ru/tm3565}
\crossref{https://doi.org/10.1134/S0371968514030133}
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\transl
\jour Proc. Steklov Inst. Math.
\yr 2014
\vol 286
\pages 224--239
\crossref{https://doi.org/10.1134/S0081543814060133}
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Linking options:
https://www.mathnet.ru/eng/tm3565
https://doi.org/10.1134/S0371968514030133
https://www.mathnet.ru/eng/tm/v286/p246
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