3 papers
math.AG2024
Existence of minimal models for threefold generalized pairs in positive characteristic
Tianle Yang, Zelin Ye, Zhiyao Zhang
Let be an algebraically closed field of characteristic . We show the existence of minimal models for pseudo-effective NQC lc generalized pairs in dimension three…
math.CO2024
Zero-one Grothendieck Polynomials
Yiming Chen, Neil J. Y. Fan, Zelin Ye
Fink, Mészáros and St.Dizier showed that the Schubert polynomial is zero-one if and only if avoids twelve permutation patterns. In this paper, we prove that…
cs.DS2024
Simple -crashing Plan with a Good Approximation Ratio
Ruixi Luo, Kai Jin, Zelin Ye
In project management, a project is typically described as an activity-on-edge network (AOE network), where each activity / job is represented as an edge of some network (which…