2 citations · 2 across the 2 of their papers we have counts for
2 papers
math.CO2012
Semigroup Identities, Proofs, and Artificial Intelligence
Sherman Stein
It is known that if every group satisfying an identity of the form yx ~ xU(x,y)y is abelian, so is every semigroup that satisfies that identity. Because a group has an identity ele…
math.CO2001★ 2 cited
Latin transversals of rectangular arrays
Sherman K. Stein
Let m and n be integers, . An m by n array consists of mn cells, arranged in m rows and n columns, and each cell contains exactly one symbol. A transversal of an a…