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In this article, we study some new characterizations of primitive recursive functions based on restricted forms of primitive recursion, improving the pioneering work of R. M. Robinson and M. D.

Recursion, Roche, and its Genentech subsidiary have unveiled a whole-genome map of specialized microglial immune cells that they plan to use toward revealing significant new targets in ...

A recursive scheme for determination of the sum-of-divisors function is presented. As all of the formulas involve triangular numbers, the scheme is therefore compared for efficiency with another known ...