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    • Theory Seminar- Recent Developments in Combinatorial Auctions, Matt Weinberg (Princeton University)

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    Room 401B, 3401 Walnut 3401 Walnut Street, Philadelphia, PA, United States

    Abstract: In a combinatorial auction there are m items, and each of n players has a valuation function v_i which maps sets of items to non-negative reals. A designer wishes to partition the items into S_1,…,S_n to maximize the welfare (\sum_i v_i(S_i) ), perhaps assuming that all v_i lie in some class V (such as […]

    MEAM Seminar: “Manually-Operated, Slider Cassette for Multiplexed Molecular Detection at the Point of Care”

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    Room 2C8, David Rittenhouse Laboratory Building 209 South 33rd Street, Philadelphia, PA, United States

    Effective control of epidemics, individualized medicine, and new drugs with virologic response-dependent dose and timing require, among other things, simple, inexpensive, multiplexed molecular detection platforms suitable for point of care and for home use. Conventional molecular detection methods such as PCR tests, require bulky and expensive equipment, trained personnel, and specialized laboratories, limiting their use […]

    ESE Ph.D. Thesis Defense: “Lattice Theory in Multi-Agent Systems”

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    Moore 317 200 S 33rd Street, Philadelphia, PA, United States

    Ordered sets model signals such as binary relations, concepts, partitions, rankings, matchings, events, as well as other taxa of information, temporal, hierarchical, relational, or, in general, logical in nature. We argue that (order-) lattice-based (networked) multi-agent systems constitute a broad class of systems in which data fusion, consensus, synchronization, and other collaborative tasks are described […]

    MEAM Seminar: “Development of Astronomical Instrumentation to Study the Birth and Evolution of the Universe”

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    Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

    The study of the early universe requires deep high-resolution maps of the sky at millimeter and submillimeter. This requires the development of state-of-the-art cryogenic receivers and custom built telescopes. These instruments operate in extreme locations including from NASA launched high-altitude balloons over Antarctica and high (5,200m/17,000ft) mountain tops in Northern Chile adding a level of […]

    MEAM Ph.D. Thesis Defense: “Surface and Interface Engineering in Manipulation and Fabrication of Colloid-Based Sub-Microporous Hierarchical Materials and Their Applications”

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    Moore 212

    Nanolattices exhibit attractive mechanical, energy conversion, and optical properties, but it is challenging to fabricate nanolattices in large scale while maintaining the dense hierarchical nanometer features that enable their properties. Current advanced fabrication methods, like 3D printing or self-assembly, are significantly limited by their scalability or the cracking problem in the assembled templates. This work […]

    ASSET Seminar: Equivariance in Deep Learning, Kostas Daniilidis (University of Pennsylvania)

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    Levine 307 3330 Walnut Street, Philadelphia, PA, United States

    ABSTRACT Traditional convolutional networks exhibit unprecedented robustness to intraclass nuisances when trained on big data. Generalization with respect to geometric transformations has been achieved via expensive data augmentation. It has been shown recently that data augmentation can be avoided if networks are structured such that feature representations are transformed the same way as the input, a desirable property called equivariance. In […]

    Fall 2022 GRASP SFI: Millind Tambe, Harvard University, “Results from deployments for public health and conservation”

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    Levine 307 3330 Walnut Street, Philadelphia, PA, United States

    *This will be a HYBRID Event with in-person attendance in Levine 307 and Virtual attendance via Zoom here…   ABSTRACT With the maturing of AI and multiagent systems research, we have a tremendous opportunity to direct these advances towards addressing complex societal problems. I  will focus on  domains of public health and conservation,  and address one key cross-cutting challenge: how to effectively deploy our […]

    Fall 2022 GRASP Seminar: Guillermo Gallego, Technical University Berlin, “Stereo depth and optical flow estimation via contrast maximization of event camera data”

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    Levine 307 3330 Walnut Street, Philadelphia, PA, United States

    *This is a HYBRID Event with in-person attendance in Levine 307 and virtual attendance via Zoom. ABSTRACT Event cameras are novel vision sensors that mimic functions from the human retina and offer potential advantages over traditional cameras (low latency, high speed, high dynamic range, etc.). They acquire visual information in the form of pixel-wise brightness […]

    MEAM Ph.D. Thesis Defense: “Room-temperature Electrochemical Healing of Structural Metals”

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    Greenberg Lounge (Room 114), Skirkanich Hall 210 South 33rd Street, Philadelphia, PA, United States

    For over 6,000 years, repairing high-strength metallic materials has required high temperatures and large energy inputs. Likewise, recent innovations in self-healing and repairable metals have remained limited by the need for heating, the small size of repairable cracks, and the low strength and constrained chemical composition of healed metals. While welding remains the most widely […]

    MEAM Seminar: “Harnessing Physical Intelligence for High-Performance Soft Robots”

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    Towne 227 (MEAM Conference Room) 220 S. 33rd Street, Philadelphia, PA, United States

    Different from neuron-based computational intelligence through the brain, physical intelligence leverages structural designs and smart materials to physically encode sensing, actuation, control, adaption, and decision-making into the body of an agent. The stimuli-responsive body materials can enable autonomous sensory, actuation, powering, and other physical intelligence functions. The structural designs of soft body can simplify the […]

    POSTPONED // MSE Seminar & Grace Hopper Lecture: “Materials for Quantum Technologies Through a Computational Lens”

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    Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

    Refreshments served at 10:15 AM In this talk, I will describe theoretical and computational strategies based on quantum mechanical calculations, aimed at predicting material properties suitable for the development of quantum technologies. Specifically, I will discuss the electronic structure and coherent states of spin defects in two- and three-dimensional semiconductors and insulators, obtained using both classical […]