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Control of planar Bautin bifurcation,
The 17th Conference On Applied and Industrial Mathematics,
CAIM 2009, Universitatea navala “Mircea cel Batrân” din Constanta, Romania, 17-20 septembrie 2009.
(with Sterpu M.).
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Bifurcation in a nonlinear business cycle model,
The 16th Conference On Applied and Industrial Mathematics, CAIM 2008,
Universitatea Agora din Oradea, Romania, 9-11 octombrie 2008.
(with Sterpu M.).
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Stability and Hopf bifurcation in a nonlinear IS-LM model with time delay. Applications,
The International Conference of Differential Geometry and Dynamical Systems DGDS 2008,
Mangalia, August 29 - September 2, 2008
(with Sterpu M.).
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Hopf bifurcation for coupled identical dynamical systems. Applications,
6-th International Congress of Romanian Mathematicians, Bucuresti, 28 iunie-4 iulie, 2007.
(with Sterpu M.).
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Stability and Hopf Bifurcations for Two Advertising Systems, Coupled with Delay,
International Conference on Nonlinear Analysis and Applied Mathematics, Grecia, 16-20 sept. 2007
(with Sterpu M.).
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Fold and Hopf bifurcations in non-symmetrically coupled dynamical systems,
The 14th Conference On Applied and Industrial Mathematics, CAIM 2006,
Universitatea din Stat din Chisinau, Rep. Moldova, 17-19 august 2006.
(with Sterpu M.).
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Liapunov coefficients in non-symmetrically coupled systems, International Conference On Applied Analysis and Differential Equations, Universitatea din Iasi, 4 -9 septembrie 2006.
(with Sterpu M.).
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Center manifolds and bifurcations for coupled Hopf oscillators, The
13-th Conference on Applied and Industrial Mathematics, Piteşti (Romania), Oct. 14-16, 2005
(with
Sterpu M.).
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Bifurcation in Hopf coupled oscillators,
the 7th
National Conference of Mathematical Analysis and Its
Applications, Craiova (Romania), Sept. 23-24, 2005 (with
Sterpu M.).
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Nonhyperbolic singularities in a system of two coupled
offer-request models,
Chişinău
(Moldavia), Aug. 16-20, 2004 (with
Sterpu M.).
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Periodic behavior in a system of two non-simmetrically
coupled advertising oscillators, the 12-th Conference on
Applied and Industrial Mathematics,
Piteşti (Romania), Oct.15-17, 2004.
-
Bifurcation in a system of two coupled
offer-request oscillators, Septieme Colloque Franco-Roumain
de Mathematiques Appliquees, Craiova (Romania), Aug. 30-Sept. 3,
2004 (with Sterpu M.).
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Nonhyperbolic singularities in a system of
two coupled oscillators, the 11-th Conference on Applied and
Industrial Mathematics, Oradea, (Romania) 2003 (with
Sterpu M.).
-
Bifurcation in a system of two coupled advertising oscillators,
the 5-th Congress of Romanian mathematicians, Piteşti (Romania), 2003
(with
Sterpu M.).
-
Local
bifurcation for the FitzHugh-Nagumo system, Conference on
Analysis and Optimization of Differential Systems, Constanţa
(Romania), September 9-14, 2002 (with
Sterpu M.).
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Two approximations of homoclinic
bifurcation curves in the FitzHugh-Nagumo system, the 10-th
Conference on Applied and Industrial Mathematics, Piteşti
(Romania), October 11-13, 2002 (with
Sterpu M.).
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Heteroclinic
bifurcation for the FitzHugh-Nagumo system, the 9th
Conference on Applied and Industrial Mathematics, Piteşti
(Romania), October, 2001 (with Georgescu A., Giurgiţeanu
N.).
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Codimension one
and two bifurcations for the FitzHugh-Nagumo system, 3rd
European Congress of Mathematics, Barcelona (Spain), July 10-14,
2000 (with Georgescu A., Giurgiţeanu N.).
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Global
bifurcations for the FitzHugh-Nagumo model, Conference on
Bifurcation, Symmetry and Patterns, Porto (Portugal) June 30-
July 4, 2000 (with Georgescu A., Giurgiţeanu N.).
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Dynamic
bifurcation diagram for the FitzHugh-Nagumo model, Workshop
on Reaction-Diffusion Equations and Travelling Waves, Varsaw
(Poland), May 20-27, 2000 (with Georgescu A., Giurgiţeanu
N.).
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Center manifolds and saddle-node bifurcation
for the FitzHugh-Nagumo system, the 8th
Conference on Applied and Industrial Mathematics, Piteşti
(Romania), October 13-15, 2000.
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Hopf and
homoclinic bifurcations in a biodynamical system, Second
Conference on Applied Mathematics, Baia Mare (Romania), October
19-21, 2000 (with Georgescu A., Giurgiţeanu N.).
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Concavity of the
limit cycles in the FitzHugh-Nagumo model, the 7th
Conference on Applied and Industrial Mathematics, Piteşti
(Romania), October 15-17, 1999 (with Georgescu A., Giurgiţeanu
N.).
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Canards in the
FitzHugh-Nagumo model, International Congress of
Mathematicians, Berlin (Germany), August 18-27, 1998 (Abstracts of Short Communications and
Poster Sessions, pp.188) (with Georgescu A., Giurgiţeanu
N.).
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On the
oscillatory regimes in the FitzHugh-Nagumo system,
International symposium on Power-Law Modeling of Biological
Systems, Oeiras, (Portugal), October 4-7, 1998 (Abstracts book,
pp. 43) (with Georgescu A., Giurgiţeanu N.).
-
Global
bifurcation diagram for the FitzHugh-Nagumo system,
International symposium on Power-Law Modeling of Biological
Systems, Oeiras, (Portugal), October 4-7, 1998 (Abstracts book,
pp. 32) (with Georgescu A., Giurgiţeanu N.).
-
Regimes with two or three limit cycles in the
FitzHugh-Nagumo system, Gesellshaft fur angewande mathematik
und mechanik, Annual Scientific Conference GAMM98, University of
Bremen (Germany), April 6-9, 1998 (Book of Abstracts, pp.45)
(with Georgescu A., Giurgiţeanu N.).
-
Canard
phenomenon for the FitzHugh-Nagumo model for negative parameter
b, Symposium organized by “Tiberiu Popoviciu” Institute of
Numerical Analysis, Cluj-Napoca, (Romania), May 27-29, 1998
(with Georgescu A., Giurgiţeanu N.).
-
Dynamics and
bifurcation in a biological model (III), the 6th
Conference on Applied and Industrial Mathematics, Piteşti
(Romania), October 16-18, 1998 (with Georgescu A., Giurgiţeanu
N.).
-
Bifurcation and oscillatory regimes for the
FitzHugh-Nagumo model, 8-th International Colloquium on
Differential Equations, Plovdiv (Bulgaria), August 18-23,
1997 (Abstracts of Invited Lectures and Short Communications,
pp.80) (with Georgescu A., Giurgiţeanu N.).
-
Canard phenomenon in the FitzHugh-Nagumo
model, the 5th
Conference on Applied and Industrial Mathematics, Oradea-Băile
Felix (Romania), October 17-19, 1997 (with Georgescu A., Giurgiţeanu
N.).
-
Bifurcation in the Goodwin model from
economics I, the 5th
Conference on Applied and Industrial Mathematics, Oradea-Băile
Felix (Romania), October 17-19, 1997 (with Georgescu A., Giurgiţeanu
N.).
-
Linear and nonlinear dynamics in Goodwin
model from economics, Session of Scientific Communications,
Univ. of Piteşti (Romania), November 21-22, 1997 (with Georgescu A., Giurgiţeanu
N.).
-
Dynamics and
bifurcation in a biological model (II), 3rd
European Conference on Mathematics Applied to Biology and
Medicine, Heidelberg (Germany), October 6-10, 1996 (Abstracts,
pp. 356) (with Georgescu A., Giurgiţeanu N.).
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Dynamics and bifurcation in a
biological model (I) - Conference on Dynamical Systems in
Biology and Medicine, Veszprem (Hungary), July 17-20, 1996
(Abstracts, pp.39) (with Georgescu A., Giurgiţeanu N.).
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Two types of
dynamic bifurcation in a biodynamical system, the 4th
Conference on Applied and Industrial Mathematics,
Oradea-Chişinău (Romania), August,
1996 (with Georgescu A., Giurgiţeanu N.).
-
A mathematical model for obtaining the
arterial pressure, the Third Conference on Applied and
Industrial Mathematics, ROMAI, Oradea-Chişinău (Romania), August
17-25, 1995.
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Criterium de
minimum dans l’ejection ventriculaire gauche, Seminaire
Scientifique Geometrie Computationnelle, Informatique et
Biomathematique, Craiova (Romania), May 21, 1993 (with
Boju V., Georgescu D., Ionescu A.).
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On the Cunningham projections,
7-th Colloquium on Linear Ordonate Topological Spaces, ICMAT,
Craiova (Romania), June 14-16, 1986 (with Niculescu C., Rădulescu V., Turcitu G.).
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