A description of the weierstrass gap sequence by means of the Riemann theta function

1986 ◽  
Vol 53 (2) ◽  
pp. 129-136
Author(s):  
Ryutaro Horiuchi

2019 ◽  
Vol 140 ◽  
pp. 85-103 ◽  
Author(s):  
Xianguo Geng ◽  
Guoliang He ◽  
Lihua Wu








2018 ◽  
Vol 32 (28) ◽  
pp. 1850344
Author(s):  
Xiao Yang ◽  
Dianlou Du

A Toda lattice hierarchy is studied by introducing a new spectral problem which is a discrete counterpart of the generalized Kaup–Newell spectral problem. Based on the Lenard recursion equation, Lax pair of the hierarchy is given. Further, the discrete spectral problem is nonlinearized into an integrable symplectic map. As a result, an algebraic–geometric solution in Riemann theta function of the hierarchy is obtained. Besides, two equations, the Volterra lattice and a (2[Formula: see text]+[Formula: see text]1)-dimensional Burgers equation with a discrete variable, yielded from the hierarchy are also solved.



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