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MEAM Seminar: “Operator Inference: Bridging Model Reduction and Scientific Machine Learning”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

Model reduction methods have grown from the computational science community, with a focus on reducing high-dimensional models that arise from physics-based modeling, whereas machine learning has grown from the computer science community, with a focus on creating expressive models from black-box data streams. Yet recent years have seen an increased blending of the two perspectives […]

ESE Grace Hopper Lecture: “Emerging Non-Volatile Ferroelectric Memory”

Zoom - Email ESE for Link jbatter@seas.upenn.edu

Abstract The last decade has seen a remarkable shift in usage and value of semiconductor memory technologies. These changes are driven by the elevation of four particular target applications –(1) mobile multi-media applications, (2) explosive growth in the sheer volume of data that is being created and stored, (3) emphasis from the individual components to […]

CIS Seminar:”Language, Brain, and Computation”

Zoom - Email CIS for link cherylh@cis.upenn.edu

How does the brain beget the mind?  How do molecules, cells and synapses effect reasoning, intelligence, language?   Despite dazzling progress in experimental neuroscience, as well as in cognitive science at the other extreme of scale, we do not seem to be making progress in the overarching question -- the gap is huge and a […]

MSE Seminar: “Characterization of Complex Eutectic Microstructures”

Eutectic phase transitions play an important role in many engineering materials, from cast iron to electronic solder. Regular binary eutectics are relatively straightforward and generally well understood, but the additional degree of freedom in three-component alloys introduces a far greater level of complexity, as three solid phases can form simultaneously from the melt. These ternary […]

BE Seminar: “Imaging and sequencing single cells” (Aaron Streets)

This event will be held virtually on zoom. Check your email for the link and passcode or contact ksas@seas.upenn.edu. Recent advances in microfluidics and high-throughput sequencing technology have enabled rapid profiling of genomic material in single cells. Valve- and droplet-based microfluidic platforms can precisely and efficiently manipulate, sort, and process cells to generate indexed sequencing […]

SIG Seminar: “A History of Crowd Simulation and Rendering at Pixar”

This talk will cover how Pixar's crowds pipeline evolved from "A Bug's Life" to "Onward", and how the studio's artists and engineers refined and re-invented their tools over the years to create memorable animated crowd scenes.  We'll cover the progression from finite state machine control, to agent based crowd simulation, to sketch based workflows, using […]

PICS Seminar: “Scaling down the laws of thermodynamics”

Zoom - Email CIS for link cherylh@cis.upenn.edu

Abstract: Thermodynamics provides a robust conceptual framework and set of laws that govern the exchange of energy and matter. Although these laws were originally articulated for macroscopic objects, nanoscale systems also exhibit “thermodynamic-like” behavior – for instance, biomolecular motors convert chemical fuel into mechanical work, and single molecules exhibit hysteresis when manipulated using optical tweezers. To […]

MEAM Seminar: “Real-Time Reduced Order Modeling using Time-Dependent Basis: Applications in Turbulent Flows and Combustion”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

The question of "what set of basis functions should be used?" is of fundamental importance to scientific computing. The performance of different choices of basis is assessed primarily by the rate of convergence and robustness. However, when the one-dimensional basis is extended to higher dimensions d, the computational complexity increases exponentially with respect to d. […]

ESE Seminar: “Data-driven Decision Making and Estimation in CPS/IoT Networks”

Zoom - Email ESE for Link jbatter@seas.upenn.edu

The modern instantiation of a sensor network is a cyberphysical (CPS) system where CPS subsystems can be interconnected by a shared communication network of limited bandwidth. A common problem in CPS networks is the sensing and communication of spatio-temporal signals. However, there are fundamental differences between estimation (sensing) and communication. For example, the type of […]