2026 Emilio Freire: Mathematics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Mathematics	31	3371	3011	78	77	126	3475

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Mathematics

3371

3011

126

3475

Emilio Freire publication distribution in Mathematics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mathematics in 2026. The highlighted bar marks where Emilio Freire sits on this spectrum.

42 publications 537+

This scientist: 126 publications — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 537 publications or more.

Emilio Freire D-index placement in Mathematics in 2026

The chart shows the D-index (discipline H-index) distribution of Mathematics scientists ranked by Research.com in 2026. The highlighted bar marks where Emilio Freire sits on this spectrum.

30 D-Index 86+

This scientist: 31 D-Index — 9th percentile

9% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 86 D-Index or more.

Best Publications

Bifurcation Sets of Continuous Piecewise Linear Systems with Two Zones

Emilio Freire;Enrique Ponce;Francisco Rodrigo;Francisco Torres

332
Citations
Canonical Discontinuous Planar Piecewise Linear Systems

Emilio Freire;Enrique Ponce;Francisco Torres

234
Citations
Continuation of periodic orbits in conservative and Hamiltonian systems

Fj Munoz-Almaraz;E Freire;J Galan;E Doedel

181
Citations
On simplifying and classifying piecewise-linear systems

V. Carmona;E. Freire;E. Ponce;F. Torres

148
Citations
A general mechanism to generate three limit cycles in planar Filippov systems with two zones

Emilio Freire;Enrique Ponce;Francisco Torres

145
Citations
A case study for homoclinic chaos in an autonomous electronic circuit: a trip taken from Takens-Bogdanov to Hopf-Sbil'nikov

E. Freire;A. J. Rodríguez-Luis;E. Gamero;E. Ponce

98
Citations
LIMIT CYCLE BIFURCATION FROM CENTER IN SYMMETRIC PIECEWISE-LINEAR SYSTEMS

Emilio Freire;Enrique Ponce;Javier Ros

92
Citations
Periodicity and chaos in an autonomous electronic system

E. Freire;L. Franquelo;J. Aracil

83
Citations
BIFURCATION OF INVARIANT CONES IN PIECEWISE LINEAR HOMOGENEOUS SYSTEMS

Victoriano Carmona;Emilio Freire;Enrique Ponce;Francisco Torres

82
Citations
LIMIT CYCLE BIFURCATION IN 3D CONTINUOUS PIECEWISE LINEAR SYSTEMS WITH TWO ZONES: APPLICATION TO CHUA'S CIRCUIT

Victoriano Carmona;Emilio Freire;Enrique Ponce;Javier Ros

82
Citations
A NOTE ON THE TRIPLE-ZERO LINEAR DEGENERACY: NORMAL FORMS, DYNAMICAL AND BIFURCATION BEHAVIORS OF AN UNFOLDING

Emilio Freire;Estanislao Gamero;Alejandro J. Rodríguez-Luis;Antonio Algaba

81
Citations
Isochronicity Via Normal Form

Antonio Algaba;Emilio Freire;Estanislao Gamero

73
Citations
The discontinuous matching of two planar linear foci can have three nested crossing limit cycles

Emilio Freire;Enrique Ponce;Francisco Torres

69
Citations
Hypernormal Form for the Hopf-Zero Bifurcation

A. Algaba;E. Freire;E. Gamero

68
Citations
The continuous matching of two stable linear systems can be unstable

V. Carmona;E. Freire;E. Ponce;F. Torres

66
Citations
The Focus-Center-Limit Cycle Bifurcation in Symmetric 3D Piecewise Linear Systems

Emilio Freire

65
Citations
First derivative of the period function with applications

Emilio Freire;Armengol Gasull;Antoni Guillamon

63
Citations
Quasi-homogeneous normal forms

A. Algaba;E. Freire;E. Gamero;C. García

59
Citations
On the critical crossing cycle bifurcation in planar Filippov systems

Emilio Freire;Enrique Ponce;Francisco Torres

52
Citations
Hopf-like bifurcations in planar piecewise linear systems

Unknown

43
Citations

Frequent Co-Authors

Leopoldo G. Franquelo University of Seville

Armengol Gasull Autonomous University of Barcelona

Eusebius J. Doedel Concordia University

Jose Manuel Valverde University of Seville

Aki Mikkola Lappeenranta University of Technology

Sergio Vazquez University of Seville

Jose I. Leon University of Seville

Samir Kouro Federico Santa María Technical University

Anibal Ollero University of Seville

External Links

Personal website of Emilio Freire

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