CEMSE Weekly Updates - May 6, 2025 Tue, May 6 2025 Newsletter Upcoming Events Stay informed about the upcoming events and the latest news from CEMSE. Upcoming Events Structuring Sound and Vibration by Metasurfaces Badreddine Assouar, Professor, Director of Research at French National Center of Scientific Research (CNRS), University of Lorraine, France May 11, 12:00 - 13:00 B9 L2 R2325 This seminar provides an overview of recent research on acoustic and elastic metasurfaces and metamaterials, covering their fundamentals, applications in wave and vibration control, including low-frequency absorption, BIC physics, and phonic skyrmions. Perturbation Methods in PDE: from Heuristics to Breakthroughs in Regularity Theory - Part 1 Dr. Eduardo Teixeira, Professor of Mathematics, Department of Mathematics, University of Central Florida, USA May 11, 16:15 - 17:30 B1 L3 R3119 This mini-course presents a powerful perturbative framework tailored to tackle critical regularity issues in nonlinear diffusion PDE. Carrier- and Trap-Resolved Photo-Hall Effect: Unlocking the 145-Year-Old Secret in Hall Effect Oki Gunawan, Research Staff Member, IBM Research, USA May 12, 10:00 - 11:00 B5 L5 R5209 advanced semiconductors This seminar introduces the "carrier and trap resolved photo-Hall effect," a novel technique extending the classic Hall effect via a simple hyperbola equation to reveal majority/minority carrier properties and trap dynamics, unifying multiple physical excitations for enhanced semiconductor characterization. Topological Phenomena in Artificial Materials Xiujuan Zhang, Associate Professor, School of Engineering and Applied Sciences, Department of Material Science and Engineering, Nanjing University May 12, 10:00 - 11:00 B1 L3 R3119 topological phenomena artificial materials This talk will cover the design and realization of novel topological states and effects in acoustic artificial materials, focusing on higher-order topological states, non-Hermitian physics, and acoustic spin- and orbital angular momentum-related topological phenomena. Error Feedback for Communication-Efficient First and Second-Order Distributed Optimization: Theory and Practical Implementation Konstantin Burlachenko, Ph.D. Student, Computer Science May 12, 12:00 - 13:00 B9 L2 R2325 Federated learning software development This seminar will discuss advancements in Federated Learning, including theoretical improvements to the Error Feedback method (EF21) for communication-efficient distributed training and the development of significantly more practical and efficient implementations of the Federated Newton Learn (FedNL) algorithm. Nonlocal Degenerate PDEs: Bridging Free Boundary Problems and Critical-point Models Eduardo Teixeira, Graduate Director & Professor, Department of Mathematics, University of Central Florida May 13, 16:00 - 17:00 Building 1, Level 3, Room 3426 nonlocal degeneracies local extrema models regularity estimates This talk explores a new class of PDEs featuring nonlocal degeneracies. Our framework unifies two classical scenarios — free boundary problems and critical-point degenerate PDEs; both are recast as local extrema models in our formulation. The Internet of Fiber-Optic Things and Smart Sensing Juan Manuel Marin Mosquera, Ph.D. Student, Electrical and Computer Engineering May 14, 10:00 - 11:30 B1 L3 R3119 This dissertation introduces the Internet of Fiber-Optic Things (IoFOT)—a new concept where a single optical fiber handles data, power, and smart sensing simultaneously. Demonstrated applications include pipeline monitoring and marine life tracking, paving the way for the development of a worldwide smart observation network. Signal Alignment: a Practical Way to Communicate Under Unpredictable Interference Nikolaos Sidiropoulos, Louis T. Rader Professor Electrical and Computer Engineering, University of Virginia, USA May 14, 13:30 - 14:30 B1 L3 R3119 Wireless communication This talk introduces a practical method for reliable wireless communication amidst interference by using packet repetition and multi-antenna reception to achieve signal alignment, enabling packet recovery through geometric subspace intersection even against adversarial jammers. Perturbation Methods in PDE: from Heuristics to Breakthroughs in Regularity Theory - Part 2 Dr. Eduardo Teixeira, Professor of Mathematics, Department of Mathematics, University of Central Florida, USA May 14, 16:15 - 17:30 B1 L3 R3119 This mini-course presents a powerful perturbative framework tailored to tackle critical regularity issues in nonlinear diffusion PDE. Data–Driven Mining of Causal Disease Relations to Enhance Disease Centric Predictions Sumyyah Toonsi, Ph.D. Student, Computer Science May 15, 10:00 - 11:00 B4 L5 R5209 This thesis develops a framework to extract and leverage inter-disease causal relations from biomedical literature, thereby advancing disease-centric predictions, enhancing our understanding of disease mechanisms, and demonstrating the potential for causal knowledge-guided therapeutic discovery. The Signed Translation Transformed Depth: Order, Quantiles, Spread, Skewness, and Quantile Regression for Multivariate Functional Data Emmanuel Ambriz, Postdoctoral Research Fellow, Statistics May 15, 12:00 - 13:00 B9 L2 R2325 multivariate analysis This seminar introduces the Signed Translation transformed Depth (STtD), a novel interpretable ordering method for multivariate functional data, which enables enhanced distributional analysis, the definition of descriptive tools, and a flexible vine copula-based quantile regression framework. FMCW Radar Applications for Automotive and Biomedical Applications Vijith Varma Kotte, Ph.D. Student, Electrical and Computer Engineering May 15, 15:00 - 17:00 B1 L3 R3119 deep learning Signal processing MIMO radars sensors This dissertation enhances Frequency Modulated Continuous Wave (FMCW) radar effectiveness for automotive forward-looking Synthetic Aperture Radar (SAR) imaging and biomedical vital sign and dehydration monitoring by developing novel methodologies based on advanced signal processing, deep learning, and MIMO radar techniques. Perturbation Methods in PDE: from Heuristics to Breakthroughs in Regularity Theory - Part 3 Dr. Eduardo Teixeira, Professor of Mathematics, Department of Mathematics, University of Central Florida, USA May 15, 16:15 - 17:30 B1 L4 R4102 This mini-course presents a powerful perturbative framework tailored to tackle critical regularity issues in nonlinear diffusion PDE.
Xiujuan Zhang, Associate Professor, School of Engineering and Applied Sciences, Department of Material Science and Engineering, Nanjing University
