Relationships Between Hyperelliptic Functions of Genus 2 and Elliptic Functions

نویسندگان

چکیده

The article is devoted to the classical problems about relationships between elliptic functions and hyperelliptic of genus 2. It contains new results, as well a derivation from them well-known results on these issues. Our research was motivated by applications theory equations dynamical systems integrable in We consider curve $V$ 2 which admits morphism degree an curve. Then there exist two curves $E_i$, $i=1,2$, morphisms $E_i$. construct associated with Weierstrass $E_i$ describe terms fundamental defined logarithmic derivatives two-dimensional sigma functions. show that restrictions appropriate subspaces $\mathbb{C}^2$ are Further, we express derive describing homomorphisms Jacobian varieties induced explicitly.

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ژورنال

عنوان ژورنال: Symmetry Integrability and Geometry-methods and Applications

سال: 2022

ISSN: ['1815-0659']

DOI: https://doi.org/10.3842/sigma.2022.010