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math.GR2018
Completely Regular Semigroups and the Discrete Log Problem
James Renshaw
We consider an application to the discrete log problem using completely regular semigroups which may provide a more secure symmetric cryptosystem than the classic system based on g…
math.GR2013
Weak Factorization Systems for S-acts
Alex Bailey, James Renshaw
The concept of a weak factorization system has been studied extensively in homotopy theory and has recently found an application in one of the proofs of the celebrated flat cover c…
math.GR2012
Covers of acts over monoids II
Alex bailey, James Renshaw
In 1981 Edgar Enochs conjectured that every module has a flat cover and finally proved this in 2001. Since then a great deal of effort has been spent on studying different types of…