2 papers
physics.class-ph2018
Special Relativity from Classical Gedankenexperiments involving Electromagnetic Forces: A Contribution to Relativity without Light
Sergio Eduardo Silva Duarte, Nathan Willig Lima
Simply by assuming the first postulate of Special Relativity and by exploring Gedankenexperiments with electromagnetic forces, we suggest that there is a speed limit in the univers…
math-ph2005
Finding Elementary First Integrals for Rational Second Order Ordinary Differential Equations
J. Avellar, L. G. S. Duarte, S. E. S. Duarte +1
Here we present an algorithm to find elementary first integrals of rational second order ordinary differential equations (SOODEs). In \cite{PS2}, we have presented the first algori…