Intermediate Regular and Variation
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A generalization of regular variation is discussed which is intermediate to extended regular variation and O-regular variation. Analogous to this intermediate regular variation is intermediate variation, a generalization of variation. Paralleling the theories of regular variation and variation, we demonstrate uniform convergence and representation theorems. We also prove a Karamata theorem and a Tauberian theorem for intermediate regular variation and in so doing we include an interesting extension to the corresponding results for O-regular variation. Contained in our proofs is the resolution of a measurability problem extant in other discussions of generalized regular variation. 1994 The London Mathematical Society.