(h1 ?-variation Euler-Maclaurin summation formula Fejér’s inequality Fekete-Szegö inequality Fink’s identity Green functions Gronwall–Bellman inequality Hadamard fractional integrals Hermite-Hadamard inequality Hermite-Hadamard type inequalities Hermite–Hadamard type inequality Hilbert C*-module Hilbert space Hölder’s inequality K-dual Katugampola fractional integrals Montgomery identity Power mean inequality Riemann–Liouville and Caputo proportional fractional initial value problem Riemann–Liouville fractional integrals Steffensen’s inequality Taylor theorem adjointable operator alternate dual frame analytic functions commutator convex functions exponential inequalities frame