题目：Upper bounds of nodal sets for solutions of bi-Laplace equations

报告人：朱久义，路易斯安那州立大学

报告地点：东区第五教学楼5107

报告时间：7月14日，9: 00-10: 00

摘要：We investigate the nodal sets for solutions of bi-Laplace equations without using frequency functions. We obtain some delicate monotonicity and propagation of smallness results by Carleman estimates. A polynomial upper bound for the nodal sets of solutions is obtained.