A Property of Twin Primes. - Christian Aebi; Grant Cairns (Integers, 2012)

Generalizations of Wilson's Theorem for Double-, Hyper-, Sub- and Superfactorials. - Christian Aebi; Grant Cairns (Am. Math. Mon., 2015)

The Quartic Residues Latin Square. - Christian Aebi; Grant Cairns (Integers, 2017)

Sums of Quadratic Residues and Nonresidues. - Christian Aebi; Grant Cairns (Am. Math. Mon., 2017)

53 Is the Smallest Prime That Is Not the Sum or Difference of Powers of the First Two Prime Numbers. - Christian Aebi (Am. Math. Mon., 2019)

A Short and Easy Proof of Morley's Congruence Theorem. - Christian Aebi (Am. Math. Mon., 2020)

Regular Patterns of Quadratic Residues. - Christian Aebi (Am. Math. Mon., 2023)

Following in Yiu's Footsteps but on the Eisenstein Lattice. - Christian Aebi; Grant Cairns (Am. Math. Mon., 2024)