Combinatorial and Additive Number Theory

Generalized Ramanujan primes.- Arithmetic congruence monoids: A survey.- A short proof of Kneser's addition theorem for abelian groups.- Lower and upper classes of natural numbers.- The probability that random positive integers are 3-wise relatively prime.- Sharpness of Falconer's estimate, and the single distance problem in Zdq.- Finding and counting MST sets.- Density versions of Plünnecke inequality: Epsilon-delta approach.- Problems and results on intersective sets.- Polynomial differences in the primes.- Most subsets are balanced in finite groups.- Gaussian Behavior in Generalized Zeckendorf Decompositions.- Additive number theory and linear semigroups with intermediate growth.- Adjoining identities and zeros to semigroups.- On the Grothendieck group associated to solutions of a functional equation arising from multiplication of quantum integers.- The Plünnecke-Ruzsa inequality:An overview.- Lerch Quotients, Lerch Primes, Fermat-Wilson Quotients, and the Wieferich-non-Wilson Primes 2, 3, 14771.- On sums related to central binomial and trinomial coefficients.