Two Forms of Degeneracy
in Heat Observability
报告专家:黄山林 副教授(中山大学)
报告时间:10月17日(周六)下午16:30-17:15
报告地点:数学学院西303
报告摘要:
This talk examines two distinct forms of degeneracy in heat observability. First, when the observation set has zero Lebesgue measure, finer geometric scales based on log-type Hausdorff content can still ensure observability. Second, for the Grushin heat equation, The degeneracy exponent governs both the observation geometries and the required observation time. We present results on the transition from arbitrary-time observability to a positive minimal time and, for strongly degenerate strips separated from the degeneracy, failure at every positive time.
专家简介:
黄山林,中山大学数学学院(珠海)副教授、博士生导师,2016年博士毕业于华中科技大学。研究方向为调和分析及其在偏微分方程中的应用,目前主要致力于唯一延拓性、能观能控性、不确定原理等相关问题的研究。研究成果发表于 Amer. J. Math.、Comm. Math. Phys.、Adv. Math.、J. Funct. Anal.、Sci. China Math 等期刊。主持国家自然科学基金面上、青年科学基金项目(B类)各1项。
邀请人:张旭

