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math.CO2026
The sum-product problem for small sets II
Phillip Antis, Holden Britt, Caleigh Chapman +3
We establish that every set of natural numbers determines at least distinct pairwise sums or at least distinct pairwise products, as well as the analogous result f…
math.CO2024
Determinants of Seidel Tournament Matrices
Sarah Klanderman, MurphyKate Montee, Andrzej Piotrowski +2
The Seidel matrix of a tournament on players is an skew-symmetric matrix with entries in that encapsulates the outcomes of the games in the given tou…