Symmetry, Integrability and Geometry: Methods and Applications (SIGMA)


Special Issue on Algebraic Methods in Dynamical Systems

The Guest Editors for this special issue are

Teresa Crespo (Universitat de Barcelona, Spain)
Andrzej Maciejewski (Zielona Góra University, Poland)
Juan J. Morales-Ruiz (Universidad Politécnica de Madrid, Spain)
Emmanuel Paul (Université Paul Sabatier, France)
Alexei Tsygvintsev (l'Ecole Normale Supérieure de Lyon, France)


This issue is related to the International Conference on Algebraic Methods in Dynamical Systems which was held at Universidad Politécnica de Madrid, Spain in June 18–22, 2018.

The issue contains 9 papers with the total of 199 pages.

We wish to thank also all the authors who have published papers in the issue, and to give our special thanks to all the referees for providing constructive reports.

The Guest Editors        


Papers in this Issue:

Commuting Ordinary Differential Operators and the Dixmier Test
Emma Previato, Sonia L. Rueda and Maria-Angeles Zurro
SIGMA 15 (2019), 101, 23 pages   [ abs   pdf ]
Variations for Some Painlevé Equations
Primitivo B. Acosta-Humánez, Marius van der Put and Jaap Top
SIGMA 15 (2019), 088, 10 pages   [ abs   pdf ]
The Ramificant Determinant
Kingshook Biswas and Ricardo Pérez-Marco
SIGMA 15 (2019), 086, 28 pages   [ abs   pdf ]
Stratified Bundles on Curves and Differential Galois Groups in Positive Characteristic
Marius van der Put
SIGMA 15 (2019), 071, 24 pages   [ abs   pdf ]
Linear Differential Systems with Small Coefficients: Various Types of Solvability and their Verification
Moulay A. Barkatou and Renat R. Gontsov
SIGMA 15 (2019), 058, 15 pages   [ abs   pdf ]
Differential Galois Theory and Isomonodromic Deformations
David Blázquez Sanz, Guy Casale and Juan Sebastián Díaz Arboleda
SIGMA 15 (2019), 055, 35 pages   [ abs   pdf ]
Heteroclinic Orbits and Nonintegrability in Two-Degree-of-Freedom Hamiltonian Systems with Saddle-Centers
Kazuyuki Yagasaki and Shogo Yamanaka
SIGMA 15 (2019), 049, 17 pages   [ abs   pdf ]
Rational KdV Potentials and Differential Galois Theory
Sonia Jiménez, Juan J. Morales-Ruiz, Raquel Sánchez-Cauce and María-Ángeles Zurro
SIGMA 15 (2019), 047, 40 pages   [ abs   pdf ]
Jacobian Conjecture via Differential Galois Theory
Elżbieta Adamus, Teresa Crespo and Zbigniew Hajto
SIGMA 15 (2019), 034,   7 pages   [ abs   pdf ]


Special Issues in SIGMA

SIGMA main page