Geodesic

Sommaire

Criteria for the nonexistence of periodic orbits in planar differential systems
p. 3-7
Some families of quadratic systems with at most one limit cycle
p. 8-15
Time-reversibility and ivariants of some 3-dim systems
p. 16-28
A survey on local integrability and its regularity
p. 29-41
The bifurcation diagram of the configurations of invariant lines of total multiplicity exactly three in quadratic vector fields
p. 42-77
Counting configurations of limit cycles and centers
p. 78-96