2 papers
math.NT2019
Positive semigroups and generalized Frobenius numbers over totally real number fields
Lenny Fukshansky, Yingqi Shi
Frobenius problem and its many generalizations have been extensively studied in several areas of mathematics. We study semigroups of totally positive algebraic integers in totally…
math.GT2018
Tribracket Modules
Deanna Needell, Sam Nelson, Yingqi Shi
Niebrzydowski tribrackets are ternary operations on sets satisfying conditions obtained from the oriented Reidemeister moves such that the set of tribracket colorings of an oriente…