J. C. Artés, J. Llibre, D. Schlomiuk, N. Vulpe.   NEW 2026-06-16
Phase portraits of a family of real quadratic differential systems possessing a nilpotent or intricate singularity at infinity.
Preprint. June, 2026.
Abstract

J. Llibre, T. Salhi.   NEW 2026-06-08
New dynamics in the Rössler system.
Bulletin of the Iranian Mathematical Society, 52(Article number 37), 17 pages. 2026.  [DOI]
PreprintAbstractPreprint at DDDUAB

A. Bakhshalizadeh, J. Llibre.   NEW 2026-06-04
Continuous linear and quadratic differential systems on the 2-dimensional torus.
Bol. Soc. Mat. Mexicana, 32(Article number 75), 13 pages. 2026.  [DOI]
PreprintAbstract

W. Cui, J. Llibre.   NEW 2026-06-02
The dynamics on the invariant spheres of some 3-dimensional polynomial differential systems.
Preprint. June, 2026.
Abstract

Ll. Alsedà, A. Garijo, X. Jarque.   NEW 2026-05-27
Mersenne numbers and the doubling map.
Preprint. May, 2026.
PreprintAbstract

F. Becatti, J. Llibre.   NEW 2026-05-22
Limit cycles of continuous piecewise differential systems formed by two rigid systems separated by one straight line.
Preprint. May, 2026.
Abstract

S. R. Alva, J. Llibre, A. C. Mereu.   NEW 2026-05-22
On the second part of Hilbert's 16th problem for some classes of discontinuous piecewise differential systems separated by a circle.
Preprint. May, 2026.
Abstract

L. P. C. Cruz, R. D. S. Oliveira, A. L. Rodero.   NEW 2026-05-18
Center and cyclicity problems in a class of planar piecewise smooth vector fields with four zones.
Preprint. May, 2026.
PreprintAbstract