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math.CO2018
On the modular Erdős-Burgess constant
Jun Hao, Haoli Wang, Lizhen Zhang
Let be a positive integer. For any integer , we say that is idempotent modulo if . The -modular Erdős-Burgess constant is the smallest positiv…
math.CO2018
On the Erdős-Burgess constant of the multiplicative semigroup of a factor ring of
Haoli Wang, Jun Hao, Lizhen Zhang
Let be a commutative semigroup endowed with a binary associative operation . An element of is said to be idempotent if . The {\sl Erdős-Bu…