3 papers
math.DG2025
The uniqueness of Poincaré type extremal Kähler metric
Yulun Xu
Let be a smooth divisor on a closed Kähler manifold . Suppose that . We prove that the Poincaré type extremal Kähler metric with a cusp singularity at i…
math.AP2025
Viscosity solution to complex Hessian quotient equations
Jingrui Cheng, Yulun Xu
In this paper, we prove the existence of viscosity solutions to complex Hessian equations on compact Hermitian manifolds, assuming the existence of a strict subsolution in the visc…
math.CO2019
The k-Power Domination Number in Some Self-Similar Graphs
Yulun Xu, Qi Bao, Zhongzhi Zhang
The -power domination problem is a problem in graph theory, which has applications in many areas. However, it is hard to calculate the exact -power domination number since de…