algebraically integrable
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2019 ◽  
Vol 106 (5-6) ◽  
pp. 894-898
Author(s):  
V. A. Vassiliev




2013 ◽  
Vol 3 (3) ◽  
pp. 277-294 ◽  
Author(s):  
Anne Boutet de Monvel ◽  
Igor Loutsenko ◽  
Oksana Yermolayeva


2010 ◽  
Vol 362 (9) ◽  
pp. 4557-4568 ◽  
Author(s):  
C. Galindo ◽  
F. Monserrat


2010 ◽  
Vol 146 (2) ◽  
pp. 497-506 ◽  
Author(s):  
Jun-Muk Hwang ◽  
Eckart Viehweg

AbstractA foliation on a non-singular projective variety is algebraically integrable if all leaves are algebraic subvarieties. A non-singular hypersurface X in a non-singular projective variety M equipped with a symplectic form has a naturally defined foliation, called the characteristic foliation on X. We show that if X is of general type and dim M≥4, then the characteristic foliation on X cannot be algebraically integrable. This is a consequence of a more general result on Iitaka dimensions of certain invertible sheaves associated with algebraically integrable foliations by curves. The latter is proved using the positivity of direct image sheaves associated to families of curves.



2008 ◽  
Vol 235 (1) ◽  
pp. 89-92 ◽  
Author(s):  
Serge Tabachnikov


Author(s):  
Pol Vanhaecke

We give a concise introduction to the notion of algebraic integrability. Our exposition is based on examples and phenomena, rather than on detailed proofs of abstract theorems. We mainly focus on algebraic integrability in the sense of Adler–van Moerbeke, where the fibres of the momentum map are affine parts of Abelian varieties; as it turns out, most examples from classical mechanics are of this form. Two criteria are given for such systems (Kowalevski-Painlevé and Lyapunov) and each is illustrated in one example. We show in the case of a relatively simple example how one proves algebraic integrability, starting from the differential equations for the integrable vector field. For Hamiltonian systems that are algebraically integrable in the generalized sense, two examples are given, which illustrate the non-compact analogues of Abelian varieties which typically appear in such systems.



2002 ◽  
Vol 12 (02) ◽  
pp. 421-428 ◽  
Author(s):  
JAUME LLIBRE ◽  
XIANG ZHANG

In this note we characterize all generators of Darboux polynomials of the Rössler system by using weight homogeneous polynomials and the method of characteristic curves for solving linear partial differential equations. As a corollary we prove that the Rössler system is not algebraically integrable, and that every rational first integral is a rational function in the variable x2+y2+2z. Moreover, we characterize the topological phase portrait of the Darboux integrable Rössler system.





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