Necessary Optimality Conditions for Fractional Action-Like Problems with Intrinsic and Observer Times

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/161502We prove higher-order Euler-Lagrange and DuBois-Reymond stationary conditions to fractional action-like variational problems. More general fractional action-like optimal control problems are also considered.Optimization and ControlMathematical Physics49K05; 49S05Necessary Optimality Conditions for Fractional Action-Like Problems with Intrinsic and Observer Timestext