4月27日，法国科学院院士、欧洲科学院院士、法国索邦大学教授布诺瓦·佩尔塔姆一行来校访问。索邦大学数学学院院长萨米·穆斯塔法教授、法布里斯·贝图埃尔教授共同来访并受聘为我校讲席教授。校长韩杰才会见布诺瓦·佩尔塔姆一行，为萨米·穆斯塔法教授、法布里斯·贝图埃尔教授颁发聘书并佩戴校徽。副校长刘俭出席活动。
On April 27, Benoît Perthame, member of the French Academy of Sciences and the Academia Europaea and professor at Sorbonne University, led a delegation to visit Harbin Institute of Technology (HIT). Professor Sami Mustapha, Dean of the UFR (Unité de Formation et de Recherche) of Mathematics at Sorbonne University, and Professor Fabrice Béthuel also visited and were appointed as Chair Professors of HIT. President Han Jiecai met with Benoît Perthame and his delegation, presented appointment certificates to Professor Sami Mustapha and Professor Fabrice Béthuel, and conferred the HIT university badges. Vice President Liu Jian attended the event.
会见现场
Meeting Scene
韩杰才表示，哈工大与索邦大学长期保持紧密学术联系，双方共建的“中法数学菁英班”是学校国际化人才培养的重点项目。索邦大学数学学科实力位居世界前列，哈工大则拥有理工交叉、产学研融合优势，双方资源高度契合、合作潜力巨大。希望以本次访问和聘任为契机，推动两校在基础研究攻关、交叉学科创新、人才联合培养、学者常态互访等方面开展全方位合作，共同产出更多原创性成果，培养具有国际视野的拔尖数学人才，为中法教育交流和全球科技进步贡献力量。
Han Jiecai noted that HIT and Sorbonne University have long maintained close academic ties, and that the jointly established China–France Mathematics Elite Program is a key initiative in HIT’s international talent cultivation. He stated that Sorbonne University ranks among the world’s leading institutions in mathematics, while HIT possesses strong advantages in interdisciplinary integration of science and engineering as well as the integration of industry, education, and research. With highly complementary resources and tremendous cooperation potential, he expressed hope that this visit and appointment ceremony would serve as an opportunity to promote comprehensive cooperation in fundamental research, interdisciplinary innovation, joint talent cultivation, and regular scholar exchanges, so as to produce more original achievements, cultivate outstanding mathematics talent with global vision, and contribute to China–France educational exchange and global scientific progress.
布诺瓦·佩尔塔姆表示，当前中国对基础研究给予高度重视，哈工大是中国理工强校。索邦大学高度重视与哈工大的伙伴关系，双方合作已取得显著成效。哈工大数学学科的学术水平和团队协作氛围为双方的深入合作奠定了坚实基础。期待在基础研究、交叉创新、人才培养等领域拓宽合作领域，进一步健全合作机制，共同推动两校合作迈向新高度，为服务中法人文交流和学术合作作出更大贡献。
Benoît Perthame stated that China currently places great importance on fundamental research, and that HIT is one of China’s leading science and engineering universities. Sorbonne University highly values its partnership with HIT, and cooperation between the two sides has already achieved remarkable results. He noted that the academic strength of HIT’s mathematics discipline and its collaborative team culture have laid a solid foundation for deeper cooperation. He expressed the hope of broadening collaboration in areas such as basic research, interdisciplinary innovation, and talent cultivation, further improving cooperation mechanisms, and elevating bilateral cooperation to a new level, thereby making greater contributions to China–France cultural exchange and academic collaboration.
为萨米·穆斯塔法颁发聘书并佩戴校徽
Presentation of Appointment Certificate and University Badge to Professor Sami Mustapha
为法布里斯·贝图埃尔颁发聘书并佩戴校徽
Presentation of Appointment Certificate and University Badge to Professor Fabrice Béthuel
萨米·穆斯塔法和法布里斯·贝图埃尔对哈工大的信任表示感谢，期待在现有合作基础上，在联合举办学术会议、加强学者互访交流、推动人才联合培养等领域进一步拓展合作，传承中法两国深厚的数学研究传统，共同弘扬求真探索的卓越学术精神。
Professor Sami Mustapha and Professor Fabrice Béthuel expressed gratitude for HIT’s trust and stated that they look forward to further expanding cooperation on the existing foundation through jointly organizing academic conferences, strengthening scholar exchanges, and promoting joint talent cultivation, while carrying forward the profound mathematical research traditions of China and France and jointly upholding the outstanding academic spirit of truth-seeking and exploration.
在校期间，布诺瓦·佩尔塔姆一行与“中法数学菁英班”师生开展座谈交流，举办多场高水平学术报告，并成功举办“哈工大 — 索邦大学数学日”等系列活动。
During the visit, Professor Benoît Perthame and his delegation engaged in discussions with faculty members and students of the China–France Mathematics Elite Program, delivered a series of high-level academic lectures, and successfully organized events including the “HIT–Sorbonne University Mathematics Day.”
4月27日晚，在格物楼“问天号”报告厅举行学术报告会。布诺瓦·佩尔塔姆教授作题为《Alan Turing and patterns in nature》报告，介绍了图灵斑图的形成与其背后深刻的数学原理，随后萨米·穆斯塔法教授作题为《French Mathematical culture: A tradition of excellence and abstraction》报告，详细介绍了法国数学教育体系的理念与历史，阐释了以施瓦茨和格洛腾迪克为代表的优秀数学家如何传承与革新法国的数学教育理念。国际合作部常务副部长吴健教授主持学术报告会。
On the evening of April 27, an academic lecture session was held in the Wentian Lecture Hall of Gewu Building. Professor Benoît Perthame delivered a lecture titled Alan Turing and Patterns in Nature, introducing the formation of Turing patterns and the profound mathematical principles behind them. This was followed by Professor Sami Mustapha’s lecture, French Mathematical Culture: A Tradition of Excellence and Abstraction, which provided an in-depth overview of the philosophy and history of the French mathematics education system, explaining how outstanding mathematicians such as Laurent Schwartz and Alexandre Grothendieck have inherited and advanced its traditions. The lecture session was chaired by Professor Wu Jian, Executive Deputy Director of the International Cooperation Division.
学术报告
Academic Lecture
4月28日晚，在与“中法数学菁英班”师生进行的座谈交流中，索邦大学数学学院本科项目负责人雅克·斯穆列维奇教授为大家详细介绍了索邦大学数学学院的教学计划、人才培养体系与深厚的学术传统。随后，菁英班学生代表踊跃发言，向法方专家分享了自己在特色培养模式下的学习生活状况、科研探索以及学术感悟。佩尔塔姆教授一行认真听取了同学们的分享，并结合自身丰富的治学经验，给予了中肯的点评与悉心指导。在互动环节，现场气氛热烈，师生双方围绕“人工智能与数学的融合与相互影响”“如何顺利实现从基础知识学习到独立数学研究的转型”等同学们高度关注的前沿与现实问题展开了深入探讨。专家们高屋建瓴的解答与启发，为同学们消除了学术道路上的困惑，也为他们未来投身高水平数学研究坚定了信心、指明了方向。
On the evening of April 28, during a discussion session with faculty members and students of the China–France Mathematics Elite Program, Professor Jacques Smulevici, Director of the Undergraduate Program of the Faculty of Mathematics at Sorbonne University, introduced the faculty’s curriculum, talent cultivation system, and rich academic traditions. Student representatives actively shared their academic experiences, research exploration, and reflections under the program’s distinctive training model. Professor Perthame and his colleagues listened attentively and provided thoughtful feedback and guidance based on their extensive academic experience. During the interactive session, lively discussions were held on topics of strong interest to students, including the integration and mutual influence of artificial intelligence and mathematics, as well as how to transition from foundational coursework to independent mathematical research. The experts’ insightful responses helped clarify students’ academic concerns, strengthened their confidence, and provided direction for their future engagement in high-level mathematical research.
“中法数学菁英班”师生座谈会
Discussion Session with Faculty and Students of the China–France Mathematics Elite Program
4月29日，“哈工大—索邦大学数学日”学术交流活动顺利举行。布诺瓦·佩尔塔姆教授重点作题为《活体组织的数学模型与自由边界问题》的学术报告。他详细阐述了实体肿瘤发育等组织生长的多尺度描述方法，系统梳理了从微观细胞到宏观器官层面的各类数学模型及其内在联系。他深入讲解了流体力学方法中针对庞大细胞群落的可压缩模型，特别是基于带反应项的多孔介质型方程组；并在宏观层面引入了基于经典Hele-Shaw方程的不可压缩自由边界问题，清晰展示了如何在刚性压力极限下推导其弱形式并建立与其几何形态的联系。报告不仅向师生们展示了数学理论在生物医学中的前沿应用，还详细解析了多尺度分析、先验估计及不稳定性涌现等关键数学工具的精妙运用。
On April 29, the “HIT–Sorbonne University Mathematics Day” academic exchange event was successfully held. Professor Benoît Perthame delivered a keynote lecture titled Mathematical Models of Living Tissues and Free Boundary Problems. He elaborated on multi-scale approaches to modeling tissue growth, such as solid tumor development, and systematically reviewed mathematical models from microscopic cellular scales to macroscopic organ levels, clarifying their internal connections. He also introduced compressible models for large cell populations based on porous-medium-type equations with reaction terms, and further presented incompressible free-boundary problems derived from the classical Hele-Shaw equation under rigid pressure limits. The lecture demonstrated frontier applications of mathematics in biomedicine and highlighted the sophisticated use of key mathematical tools such as multi-scale analysis, a priori estimates, and the emergence of instabilities.
法布里斯·贝图埃尔教授分享了《分支运输中的聚集现象》，深入探讨了最优运输理论中由于密度增加降低成本而促成分支点的分形集现象，并重点解析了分支过程在临界与次临界状态下所面临的新挑战。埃马纽埃尔·特雷拉教授围绕最优控制理论中的“Turnpike性质”展开论述，展示了最优轨迹在优化及数值计算（如打靶法）中的核心应用。雅克·斯穆列维奇教授则带来了关于《非线性几何波动方程的时间周期解》的报告，解析了广义相对论中反德西特（Anti-de-Sitter）时空附近构造时间周期解的经典公开问题以及KAM理论的相关进展。
Professor Fabrice Béthuel presented Concentration Phenomena in Branched Transport, exploring fractal branching structures arising in optimal transport theory when increased density reduces cost, and addressing challenges in critical and subcritical regimes. Professor Emmanuel Trélat discussed the Turnpike Property in optimal control theory, emphasizing its central role in optimization and numerical computation methods such as shooting techniques. Professor Jacques Smulevici delivered a lecture on Time-Periodic Solutions of Nonlinear Geometric Wave Equations, analyzing the classical open problem of constructing time-periodic solutions near Anti-de Sitter spacetime in general relativity, along with related developments in KAM theory.
“哈工大—索邦大学数学日”学术交流活动
HIT–Sorbonne University Mathematics Day Academic Exchange Event
通过兼具理论深度与应用广度的学术活动，为师生呈现了一场跨越多领域的学术盛宴，更激发了“中法数学菁英班”学子探索交叉学科的创新思维。以此为契机，两校未来将持续深化合作，携手共育具有国际视野的拔尖数学人才。
Through academic activities combining theoretical depth with broad applications, the visit presented faculty members and students with a rich interdisciplinary academic experience and inspired students of the China–France Mathematics Elite Program to explore innovative approaches across disciplines. Building on this momentum, the two universities will continue to deepen cooperation and jointly cultivate outstanding mathematics talent with a global perspective.
布诺瓦·佩尔塔姆教授是法国科学院院士、欧洲科学院院士，国际非线性偏微分方程与生物数学领域顶尖学者，曾两次受邀作国际数学家大会报告（包括2024年作1小时报告），是我校“中法数学菁英班”培养指导委员会主任。萨米·穆斯塔法教授是调和分析领域顶尖学者，获法国学术棕榈叶骑士勋章，深度参与法国教育改革，在欧洲数学界和教育界具有广泛影响力。法布里斯·贝图埃尔教授是法兰西大学研究院成员，是国际偏微分方程与变分理论领域顶尖学者，1998年国际数学家大会特邀报告人，获费马奖等多项荣誉，在调和映照等方向作出奠基性贡献。埃马纽埃尔·特雷拉教授是欧洲科学院院士、法兰西大学研究院成员、国际顶尖数学机构索邦大学雅克-路易·利翁实验室主任，是国际控制理论、偏微分方程与次黎曼几何交叉领域的顶尖学者，2018年国际数学家大会特邀报告人，其研发的控制算法直接应用于“阿丽亚娜”运载火箭制导系统，实现产学研深度融合。雅克·斯穆列维奇教授是法兰西大学研究院成员，是国际偏微分方程与广义相对论数学理论领域顶尖青年学者，在爱因斯坦方程、黑洞动力学等方向取得开创性成果，是相关领域最具影响力的青年学术带头人之一。
Professor Benoît Perthame is a member of the French Academy of Sciences and Academia Europaea, and a leading scholar in nonlinear partial differential equations and biomathematics. He has been invited twice to speak at the International Congress of Mathematicians (including a one-hour lecture in 2024) and serves as Chair of the Advisory Committee for HIT’s China–France Mathematics Elite Program.
Professor Sami Mustapha is a leading scholar in harmonic analysis and a recipient of the French Order of Academic Palms. He has been deeply involved in educational reform in France and holds broad influence in the European mathematics and education communities.
Professor Fabrice Béthuel is a member of the Institut Universitaire de France and a leading scholar in partial differential equations and variational theory. He was an invited speaker at the 1998 International Congress of Mathematicians, has received the Fermat Prize and other honors, and has made foundational contributions in areas such as harmonic maps.
Professor Emmanuel Trélat is a member of Academia Europaea, a member of the Institut Universitaire de France, and Director of the Jacques-Louis Lions Laboratory at Sorbonne University. A leading scholar in control theory, partial differential equations, and sub-Riemannian geometry, he was an invited speaker at the 2018 International Congress of Mathematicians, and his control algorithms have been directly applied to the Ariane launch vehicle guidance system.
Professor Jacques Smulevici is a member of the Institut Universitaire de France and a leading young scholar in partial differential equations and the mathematical theory of general relativity. He has made pioneering contributions in Einstein equations and black hole dynamics and is widely recognized as one of the most influential young academic leaders in the field.
国际合作部、人事处、本科生院、数学研究院相关负责人参加上述活动。
Representatives from the International Cooperation Division, Human Resources Office, Undergraduate School, and Institute for Advanced Study in Mathematics attended the events.
Delegation of Mathematicians from Sorbonne University Visits HIT
