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SUMMARY:Creative Interventions (CI) Series
DESCRIPTION:Creative Interventions (CI) is a community colloquium in contemporary creativity and creative practices that addresses the interconnected work of artists\, designers\, activists\, and knowledge workers—and the intrinsic and transformative capacity of that work to cultivate a just society. \nThe CI Speaker Series raises questions of import to contemporary creative workers in media and technology:\n– How do creative workers address their most challenging problems?\n– How does creative labor intersect with other forms of labor to nurture the world views and cultural practices of our democracy? \nThe Creative Interventions (CI) Series is co-sponsored by the Arts Division’s Creative Technologies program and Porter College at UC Santa Cruz.\n—\nADMISSION\n– Free and open to UCSC affiliates.\n– All events in the series are presented online with registration required.\n– Refer to the individual event listings for more information and a link to register.\n—\nFULL SCHEDULE OF EVENTS\n– Wed.\, Oct 15\, 4:00 p.m.: “Expensive-Sounding Sounds” with Catherine Provenzano\n– Wed.\, Oct 29\, 4:00 p.m.: “Asymptote: Computation\, Disillusion\, and Enchantment” with Nora Khan\n– Additional event dates to be announced on the Creative Interventions events page here\n—\nThis program is open to all UC Santa Cruz affiliates consistent with state and federal law.
URL:https://events.ucsc.edu/event/ci-series/2025-10-15/
LOCATION:CA
CATEGORIES:Exhibits,Lectures & Presentations
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DTSTART;TZID=America/Los_Angeles:20251028T100000
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SUMMARY:Alatawi\, A. (ECE) - Learning-Based Channel Estimation for Next-Generation Wireless Communications
DESCRIPTION:Accurate Channel State Information (CSI) is critical for coherent detection\, equalization\, and adaptive resource allocation in modern wireless systems. Traditional estimators rely on stationary statistical models\, and many learning-based methods assume training and deployment conditions are matched. In practice\, these assumptions break down under user mobility and environmental dynamics\, leading to degraded performance. This proposal explores machine-learning approaches for channel estimation that address two complementary challenges. \nFirst\, we develop an adaptive deep neural network (ADNN) for single-input single-output links over slowly time-varying channels. The method converts readily available physical-layer feedback—cyclic redundancy check (CRC) and automatic repeat request (ARQ)—into reliable self-supervision. Specifically\, packets decoded without errors are re-estimated using least squares (LS) across all symbols to generate high-quality labels\, and the DNN weights are periodically updated online. This design eliminates the need for ground-truth labels at deployment and enables continual learning. Simulations show that the ADNN tracks distributional shifts and recovers near–linear minimum mean-square error (LMMSE) performance in both mean-square error (MSE) and symbol error rate (SER)\, whereas a fixed offline-trained DNN degrades as channel statistics change. \nSecond\, we propose a sequence-to-sequence LSTM estimator for orthogonal frequency-division multiplexing (OFDM). The model exploits both temporal and frequency correlation by taking LS pilot estimates from several previous OFDM blocks as input and reconstructing the full channel frequency response of the current block. Trained on realistic time-selective channels such as WINNER II\, the LSTM outperforms LS interpolation and recent super-resolution–based methods across a wide range of SNRs\, pilot densities\, and temporal window sizes. \nFinally\, the proposal outlines future research on semantic-aware channel estimation using CSI timeliness\, and enhanced sequence models with DNN-refined pilots\, whole-block inputs\, and efficient GRU architectures. \nEvent Host: Abdulaziz Alatawi\, Ph.D. Student\, Electrical & Computer Engineering \nAdvisor: Hamid Sadjadpour & Zouheir Rezki \nZoom- https://ucsc.zoom.us/j/94895993579?pwd=Bs1ppmjqFvNknefRAHoVGXPSXxdZ6i.1 \nPasscode- 884927
URL:https://events.ucsc.edu/event/alatawi-a-ece-learning-based-channel-estimation-for-next-generation-wireless-communications/
LOCATION:
CATEGORIES:Ph.D. Presentations
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DTSTART;TZID=America/Los_Angeles:20251028T110000
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SUMMARY:CSE Colloquium: A Journey from Programming Systems Research to AI Agents
DESCRIPTION:Speaker: Koushik Sen\, UC Berkeley and Google DeepMind \nAbstract: Coding has emerged as an important application area for large language models (LLMs)\, with a proliferation of code-specific models and their applications across various domains and tasks such as program repair\, performance optimization\, debugging\, test generation\, documentation\, and security hardening. In this talk\, I will describe how we built powerful coding agents such as R2E-Gym and DeepSWE using test-driven methodology for solving various kinds of coding tasks\, such as repair\, optimization\, security vulnerability detection\, and refactoring.  I will also discuss a novel technique\, called GEPA\, for domain-specific optimization of AI agent systems\, which has shown a significant advantage over reinforcement learning. \nBio: Koushik Sen is a professor in the Department of Electrical Engineering and Computer Sciences at the University of California\, Berkeley. His research interest lies in Software Engineering\, Programming Languages\, and AI. He is interested in developing software tools and methodologies that improve programmer productivity and software quality. He is known for his work on “DART: Directed Automated Random Testing\,” concolic testing\, and LiveCodeBench. He has received a NSF CAREER Award in 2008\, a Haifa Verification Conference (HVC) Award in 2009\, a IFIP TC2 Manfred Paul Award for Excellence in Software: Theory and Practice in 2010\, a Sloan Foundation Fellowship in 2011\, a Professor R. Narasimhan Lecture Award in 2014\, an Okawa Foundation Research Grant in 2015\, and an ACM SIGSOFT Impact Paper Award in 2019. He has won several ACM SIGSOFT Distinguished Paper Awards. He received the C.L. and Jane W-S. Liu Award in 2004\, the C. W. Gear Outstanding Graduate Award in 2005\, and the David J. Kuck Outstanding Ph.D. Thesis Award in 2007\, and a Distinguished Alumni Educator Award in 2014 from the UIUC Department of Computer Science. He holds a B.Tech from the Indian Institute of Technology\, Kanpur\, and an M.S. and Ph.D. in CS from the University of Illinois at Urbana-Champaign. \n\nHosted by: Professor Mohsen Lesani \nLocation: Engineering 2\, E2-180 (Refreshments such as coffee and pastries will be provided.) \nZoom: https://ucsc.zoom.us/j/93445911992?pwd=YkJ2TQtF79h0PcNXbEcpZLbpK0coiY.1&jst=3
URL:https://events.ucsc.edu/event/cse-colloquium-a-journey-from-programming-systems-research-to-ai-agents/
LOCATION:Engineering 2\, Engineering 2 1156 High Street\, Santa Cruz\, CA\, 95064
CATEGORIES:Lectures & Presentations
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DTSTART;TZID=America/Los_Angeles:20251028T134000
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SUMMARY:Macroeconomics & International Finance Seminar Series Presents: Zhiguo He
DESCRIPTION:Macroeconomics and International Finance Seminar\nDate: Tuesday\, October 28\, 2025\nTime: 1:40-3:00 p.m.\nLocation: E2-499\n\n \n\nSpeaker: Zhiguo He\nTitle: James Irvin Miller Professor of Finance\nAffiliation: Stanford University \nHost: Michael Leung \n \nSeminar title: Household Migration and Collateral Constraint: Cash-based Housing Resettlement in China\n \nABSTRACT:   Collateral constraints reduce household migration to expensive locations by restricting financing for home purchases. This endogenous location choice can amplify the impact of relaxing borrowing constraints. Using China’s cash-based shantytown renovation program (2015-2018) as a natural experiment\, we provide evidence that cash resettlement– by converting illiquid shanty houses into cash– facilitated household location upgrading and raised house prices in more expensive locations. A dynamic spatial model with collateral constraints confirms that endogenous location upgrading amplified the effect of cash transfer\, raising lifetime housing expenditures by nearly 50%\, and house price growth in low-tier cities by 9% in 2016-2020.
URL:https://events.ucsc.edu/event/macroeconomics-international-finance-seminar-series-presents-zhiguo-he/
LOCATION:Engineering 2\, Engineering 2 1156 High Street\, Santa Cruz\, CA\, 95064
CATEGORIES:Seminars
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DTSTART;TZID=America/Los_Angeles:20251028T160000
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SUMMARY:Genomics Rooftop Mixer
DESCRIPTION:On October 28\, the rooftop will come alive with the energy of science\, entrepreneurship\, and community as the Genomics Rooftop Mixer brings together leaders from genomics and biotechnology to shape the future of health\, science\, and technology. Hosted in collaboration with UC Santa Cruz researchers\, this event is a rare opportunity to experience the cutting edge of discovery in one of the fastest-moving fields in the world. \nThe evening is designed as more than just another networking reception. Guests will hear lightning talks that distill complex science into compelling insights\, while table demonstrations will provide the chance to ask questions directly to the researchers breaking new ground. For entrepreneurs\, investors\, and city leaders\, this is a chance to glimpse the innovations that could become tomorrow’s breakthrough companies or public health solutions. For community members\, it’s a moment to see how science being developed locally is poised to transform lives globally. \nLearn more and get tickets
URL:https://events.ucsc.edu/event/genomics-rooftop-mixer/
LOCATION:Anton Pacific Apartments rooftop\, 800 Pacific Avenue\, Santa Cruz\, CA\, 95060\, United States
CATEGORIES:Exhibits,Lectures & Presentations
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DTSTART;TZID=America/Los_Angeles:20251028T172000
DTEND;TZID=America/Los_Angeles:20251028T185500
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SUMMARY:Mark Primack: The Truth in Drawing
DESCRIPTION:Join ART 10D: 2D Foundations for a Lecture by Mark Primack where he will present “Truth in Drawing\,” a talk on his recent drawing practice and experiences. Mark Primack (b.1951) is a Situationist who at times engages in drawing\, writing\, designing\, building\, critiquing and politicking. He holds degrees from the Rhode Island School of Design and the Architectural Association of London. He resides in Santa Cruz\, California\, where he has maintained an architectural practice for forty years while serving on various commission and the City Council. In 1978 he was awarded a special projects grant from the California Arts Council to document the World Famous Tree Circus\, but has supported his own work ever since. He lives\, works\, draws and gardens in spaces of his own design\, which he shares with landscape architect and artist Janet Pollock.\n— \nADMISSION\n– FREE and open to the public\n— \nPARKING\n– Parking by permit or ParkMobile\n– Arts Lot #126 is the closest parking lot to the event\n– Visitors with DMV placards or plates may park for free in DMV spaces\, Medical spaces\, or ParkMobile spaces without additional payment\, or in timed zones for longer than the posted time.\n– More information provided by UCSC Transportation & Parking Services (TAPS)\n—\nThis program is open to all members of the public consistent with state and federal law.
URL:https://events.ucsc.edu/event/mark-primack-the-truth-in-drawing/
LOCATION:Media Theater\, Experimental Theater\, Santa Cruz\, CA\, 95064
CATEGORIES:Lectures & Presentations
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DTSTART;TZID=America/Los_Angeles:20251028T190000
DTEND;TZID=America/Los_Angeles:20251028T210000
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SUMMARY:Emeriti Faculty Lecture\, Fall 2025
DESCRIPTION:Kicking the Prow: Reflections on a Life in Conversation with Past and Present People and Other Creatures\nIn this lecture\, Distinguished Research Professor Diane Gifford-Gonzalez reflects on fifty-five years of zooarchaeology work\, studying animal remains from archaeological sites to explore how past people and their kin interacted. While varying in geographical and theoretical foci\, a common thread runs through what she believes are her most influential contributions to archaeology. Starting with a true story\, Professor Gifford-Gonzalez will outline how these have “kicked the prow” of wider conversations in archaeology and share a few of her creative works. \nRegister to attend in-person or virtual\nDoors open at 6:30 p.m. for guests attending in-person \nLecture: 7 p.m. \nFollowed by a reception for in-person guests \nFree and open to the public \n  \nPresented by the UC Santa Cruz Emeriti Association
URL:https://events.ucsc.edu/event/emeriti-faculty-lecture-fall-2025/
LOCATION:Music Center Recital Hall\, 400 McHenry Road\, Santa Cruz\, CA\, 95064
CATEGORIES:Lectures & Presentations
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