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预告陋仇:王志刚教授谈“Singularities of worldsheets associated with?null Cartan curves in Lorentz Minkowski space time”
来源轮梅:理学院作者狈粮:李彦霖时间限怜:2019-10-30 点击废体:7487

时 间锭嘿:10月31日(周四)10警:00-11劣:00

地 点嗣:仓前校区勤园21号楼306学术报告厅

主讲人昏猾:王志刚陇慨,哈尔滨师范大学数学科学学院侗,教授捞幂吨,2012年博士毕业于东北师范大学数学与统计学院基础数学专业瓷。主要研究方向提:奇点理论及其应用呛、随机微分方程镐。在《Appl. Math. Model.》饯、《Phys. Lett. B》售辛、《Proc. Roy. Soc. Edinburgh》噶天聊、《Topol. Appl.》檄、《J. Geom. Phys.》唉汲、《Hokkaido Math. J. 》涡盆、《Int. J. Mod. Phys. A》柔拭啪、《Mediter. J.Math.》汲轨煎、《Math. Methods. Appl. Sci.》等期刊发表SCI检索论文26篇椽陕。

内容简介戌屎敢:In this talk, as applications of singularity theory, I will talk about the singularities of several worldsheets generated by null Cartan curves in Lorentz–Minkowski space–time. Using the approach of the unfolding theory in singularity theory, we establish the relationships between these worldsheets and invariants such that the cuspidal edge type of singularity and the swallowtail type of singularity can be characterized by these invariants, respec- tively. Meanwhile, the contact of the tangent curve of a null Cartan curve with some model surfaces are discussed in detail. In addition, I will also present the dual relation- ships between the tangent curve of a null Cartan curve and these worldsheets. Finally, I will give some concrete examples to explain our theoretical results.

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    预告赏丝:王志刚教授谈“Singularities of worldsheets associated with?null Cartan curves in Lorentz Minkowski space time”

    来源板癸竞:理学院 作者浦:李彦霖 时间危隋寇:2019-10-30 点击盖:7487

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