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math.CO2023
Constructing a Gröbner basis of Griffin's ideal
Tianyi Yu
In his Ph.D. thesis, Sean Griffin introduced a family of ideals and found monomial bases for their quotient rings. These rings simultaneously generalize the Delta Conjecture coinva…
math.CO2023
Connection between Schubert polynomials and top Lascoux polynomials
Tianyi Yu
Schubert polynomials form a basis of the polynomial ring. This basis and its structure constants have received extensive study. Recently, Pan and Yu initiated the study of top Lasc…
math.CO2023★ 1 cited
Top-degree components of Grothendieck and Lascoux polynomials
Jianping Pan, Tianyi Yu
The Castelnuovo-Mumford polynomial with is the highest homogeneous component of the Grothendieck polynomial . Pechenik, Speye…