28 citations · 196 across the 41 of their papers we have counts for
Showing 2014Show all
2 papers · 1 filter
math.CO2014★ 3 cited
On functions with a unique identification minor
Erkko Lehtonen
We shed some new light to the problem of characterizing those functions of several arguments that have a unique identification minor. The 2-set-transitive functions are known to ha…
math.GR2014★ 8 cited
Associative string functions
Erkko Lehtonen, Jean-Luc Marichal, Bruno Teheux
We introduce the concept of associativity for string functions, where a string function is a unary operation on the set of strings over a given alphabet. We discuss this new proper…