10 citations
2 papers
math-ph2017★ 10 cited
Dealing with Rational Second Order Ordinary Differential Equations where both Darboux and Lie Find It Difficult: The -function Method
J. Avellar, M. S. Cardoso, L. G. S. Duarte +1
Here we present a new approach to search for first order invariants (first integrals) of rational second order ordinary differential equations. This method is an alternative to the…
cs.DS2017
On the (parameterized) complexity of recognizing well-covered (r,l)-graphs
Sancrey R. Alves, Konrad K. Dabrowski, Luerbio Faria +3
An -partition of a graph is a partition of its vertex set into independent sets and cliques. A graph is if it admits an -partition.…