scholarly journals Polynomials with multiple zeros and solvable dynamical systems including models in the plane with polynomial interactions

2019 ◽  
Vol 60 (8) ◽  
pp. 082701 ◽  
Author(s):  
Francesco Calogero ◽  
Farrin Payandeh
1994 ◽  
Vol 72 (3-4) ◽  
pp. 147-151 ◽  
Author(s):  
W.-H. Steeb ◽  
Assia Fatykhova

A powerful tool in the study of nonlinear dynamical systems is the investigation of the singularity structure in the complex time plane. In most cases the singularity structure can only be found numerically. Here we give two models that can be solved exactly, i.e., we can give the singularities in the complex time plane. The two models play a central role in quantum mechanics. Then we compare them with the numerical study of the nonlinear differential equation.


2018 ◽  
Vol 63 (7) ◽  
pp. 2003-2018 ◽  
Author(s):  
Ting Gan ◽  
Mingshuai Chen ◽  
Yangjia Li ◽  
Bican Xia ◽  
Naijun Zhan

1984 ◽  
Vol 13 (3) ◽  
pp. 339-356 ◽  
Author(s):  
Bruno Eckhardt ◽  
Joseph Ford ◽  
Franco Vivaldi

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