%0 Journal Article %T Leitmann's direct method for fractional optimization problems %A Ricardo Almeida %A Delfim F. M. Torres %J Mathematics %D 2010 %I arXiv %R 10.1016/j.amc.2010.03.085 %X Based on a method introduced by Leitmann [Internat. J. Non-Linear Mech. {\bf 2} (1967), 55--59], we exhibit exact solutions for some fractional optimization problems of the calculus of variations and optimal control. %U http://arxiv.org/abs/1003.3088v1