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math.CO2026
Generalizations of nets and Latin squares
Brian Curtin
We examine combinatorial structures that generalize -nets, orthogonal arrays, and mutually orthogonal Latin squares. By a reticulation we mean a point set and two collection…
math.CO2026
Excluded power graphs of groups
Brian Curtin
Let be a set of integers greater than one. The -excluded power graph of a group has vertex set and an edge from to each power of other th…