Fuzzy fractional variational problems under Jumarie´s Riemann-Liouville H-differentiability

We prove necessary optimality conditions of Euler-Lagrange type for both fuzzy unconstrained and constrained fractional variational problems where the fuzzy fractional derivative is described in the Jumarie´s Riemann-Liouville sense. The new results are illustrated by computing the extremals of two fuzzy variational problems.