Petre Birtea

According to our database, Petre Birtea authored at least 11 papers between 2004 and 2019.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2019

First order optimality conditions and steepest descent algorithm on orthogonal Stiefel manifolds.

Petre Birtea, Ioan Casu, Dan Comanescu

Optim. Lett., 2019

2017

Newton Algorithm on Constraint Manifolds and the 5-Electron Thomson Problem.

Petre Birtea, Dan Comanescu

J. Optim. Theory Appl., 2017

2016

A New Training Method for Feedforward Neural Networks Based on Geometric Contraction Property of Activation Functions.

Petre Birtea, Cosmin Cernazanu-Glavan, Alexandru Sisu

CoRR, 2016

2015

Hessian Operators on Constraint Manifolds.

Petre Birtea, Dan Comanescu

J. Nonlinear Sci., 2015

2014

Averaging on Manifolds by Embedding Algorithm.

Petre Birtea, Dan Comanescu, Calin-Adrian Popa

J. Math. Imaging Vis., 2014

2013

Energy Methods in the stability Problem for the 픰픬(4) Free Rigid Body.

Petre Birtea, Ioan Casu

Int. J. Bifurc. Chaos, 2013

The stability problem and special solutions for the 5-components Maxwell-Bloch equations.

Petre Birtea, Ioan Casu

Appl. Math. Lett., 2013

2012

Stability of Equilibria for the $\mathfrak{so}(4)$ Free Rigid Body.

Petre Birtea, Ioan Casu, Tudor S. Ratiu, Murat Turhan

J. Nonlinear Sci., 2012

2009

Asymptoic Stability of Dissipated Hamilton-Poisson Systems.

Petre Birtea, Dan Comanescu

SIAM J. Appl. Dyn. Syst., 2009

2007

Controllability problems in the charged top dynamics.

Petre Birtea, Mircea Puta, Razvan M. Tudoran, Constantin Voicu

Syst. Control. Lett., 2007

2004

Controllability of Poisson Systems.

Petre Birtea, Mircea Puta, Tudor S. Ratiu

SIAM J. Control. Optim., 2004