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math.GR2016
Hypergroups and hyperfields in universal algebra
Louis Rowen
Hypergroups are lifted to power semigroups with negation, yielding a method of transferring results from semigroup theory. This applies to analogous structures such as hypergroups,…
math.GR2004
Coxeter covers of the symmetric groups
Louis H. Rowen, Mina Teicher, Uzi Vishne
We study Coxeter groups from which there is a natural map onto a symmetric group. Such groups have natural quotient groups related to presentations of the symmetric group on an arb…