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数学科学学院学术报告 Logistic Regression Matching Pursuit Algorithm for Text Classification 温金明 教授暨南大学报告时间：2023年9月19日 星期二 下午3:00-4:00报告地点：腾讯会议：425-535-207 会议密码：0919 报告摘要：Text classification is a challenging problem due to high dimensionality. In this talk, we will first introduce a new text classification algorithm called the Logistic Regression Matchi...
北航数学论坛--- 分析与偏微分方程讨论班(2023秋季第4讲)Some progress on BMO and John- Nirenberg type spaces袁文 (北京师范大学)时间：9月20日（周三）下午2:00-3:00 地点：点击链接入会，或添加至会议列表：https://meeting.tencent.com/dm/UMfezlSnMtL6 #腾讯会议：592-379-065摘要: The space BMO of functions of bounded means oscillations, as well as its generalization, the John-Nirenberg spaces $JN_p$, we...
北航数学论坛学术报告-----微分几何讨论班(2023秋季第4讲) 题目: Sobolev inequalities and regularites of linearized complex Monge-Ampere and Hessian equations报告人: 周 斌 教授 （北京大学）时间：2023-9-19 10：45-11：45 地点：沙河主楼E404摘要: In this talk, we study the regularity of solution to the linearized complex Monge-Amp\`ere and Hessian equations when the complex $k$-Hessian is bounded from...
北航数学论坛学术报告 -----微分几何讨论班(2023秋季第3讲)题目: Free boundary problems in optimal transportation报告人: 刘佳堃 教授 （澳大利亚卧龙岗大学）时间：2023-9-19 9：30-10：30 地点：沙河主楼E404摘要: In this talk, we introduce some recent regularity results of free boundary in optimal transportation. Particularly for higher order regularity, when densities are Hölder continuous and do...
数学科学学院学术报告--- 分析与偏微分方程讨论班(2023秋季第2讲) Recent progress on Schatten classes and Riesz transform commutators范智杰 (广州大学)时间：9月13日（周三）下午3:00-4:00 地点：https://meeting.tencent.com/dm/4IXRH1GEtrk2#腾讯会议：508-974-726摘要: This talk is about recent progress on Schatten classes and non-Euclidean Riesz transform commutators. By developing a new approach to bypas...
