Variable Exponent Spaces of Differential Forms on Riemannian Manifold

We introduce the Lebesgue space and the exterior Sobolev space for differential forms on Riemannian manifold which are the Lebesgue space and the Sobolev space of functions on , respectively, when the degree of differential forms to be zero. After discussing the properties of these spaces, we obtain the existence and uniqueness of weak solution for Dirichlet problems of nonhomogeneous ()-harmonic equations with variable growth in 01,()(Λ).