scholarly journals Coupling and perturbation techniques for categorical time series

Bernoulli ◽  
2020 ◽  
Vol 26 (4) ◽  
pp. 3249-3279
Author(s):  
Lionel Truquet
2019 ◽  
Vol 16 ◽  
pp. 8407-8419
Author(s):  
Marwa Abdullah Bin Humaidan ◽  
M. I. El-Saftawy ◽  
H. M. Asiri

In this work we will add the radiation pressure effect of varying mass body to the model of varying mass Hamiltonian function, including Periastron effect. The problem was formulated in terms of Delaunay variables. The solution of the problem was constructed based on Delava – Hansilmair perturbation techniques. Finally we find the first order solution for the problem as time series by calculating the desired order for the D operator and variables.


2008 ◽  
Vol 52 (9) ◽  
pp. 4369-4379 ◽  
Author(s):  
Christian H. Weiß ◽  
Rainer Göb

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