一、主  题：The method of similar operators in the spectral analysis of Dirac

operators and differential operators with an involution

二、主讲人：Ilya Krishtal

三、时  间：2018年7月20日，下午：14:00-15:00（周五）

四、地  点：闻理园A4-305室

摘要: Given a perturbed differential operator in a certain class, we construct an operator that is similar to the given one and has a much simpler structure of the perturbation. As a consequence, we obtain results on the asymptotics of the spectrum, convergence of the spectral decompositions, and the structure of the groups generated by the operators in question. In this talk, I will discuss recent results of this kind for one-dimensional Dirac operators and differential operators with an involution. The talk is based on the joint work with A. Baskakov and N. Uskova.

附个人简介：Ilya Krishtal， 男，俄罗斯人，北伊利诺伊大学教授，主要从事调和分析 (小波, 采样理论); 算子理论 (spectral theory, causal operators)等方面的研究。 迄今为止，在国际上有影响的刊物发表论文40余篇。                     

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