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DTSTART;TZID=America/Los_Angeles:20261019T160000
DTEND;TZID=America/Los_Angeles:20261019T170000
DTSTAMP:20260921T164141Z
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SUMMARY:Statistics Seminar: Advancing Science on the Sea and Stars with Modern Statistical Techniques
DESCRIPTION:Presenter: J. Xavier Prochaska\, Professor\, UC Santa Cruz \nDescription: I will present two current and challenging research problems from the domains of astrophysics and oceanography which are leveraging standard Bayesian methods. After describing the datasets\, scientific goals\, and currently methodology\, I will welcome a discussion on ways to improve\, advance\, and/or replace the current approaches. Ideally within the realm of tradiational/modern statistics\, but I will welcome soluation with machine learning/AI approaches. I will then conclude by describing forthcoming\, large datasets that could leverage expertise from members of the Department of Statistics. For those who wish a preview of the data and current techniques\, I will circulate a README a day or two in advance of the seminar. \nAbout the speaker: PhD Physics — UC San Diego; Professor Astronomy & Astrophysics and Ocean Sciences — UC Santa Cruz \n\n\n\n\n\nThis seminar is hosted by Professor Yunyi Shen.
URL:https://events.ucsc.edu/event/statistics-seminar-advancing-science-on-the-sea-and-stars-with-modern-statistical-techniques/
LOCATION:Jack Baskin Engineering\, Baskin Engineering 1156 High Street\, Santa Cruz\, CA\, 95064
CATEGORIES:Seminars
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DTSTART;TZID=America/Los_Angeles:20261019T160000
DTEND;TZID=America/Los_Angeles:20261019T170000
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SUMMARY:AM Seminar: Analysis of Flagellar Gait Changes Across Fluid Viscosities
DESCRIPTION:Presenter: Dr. Kelli Gutierrez\, CSU Monterey Bay \nDescription: Many microswimmers propel themselves using flagella\, which are thin\, threadlike filaments that beat in a periodic wavelike motion. The flagellar beat emerges from the coupled interactions between the surrounding fluid and the active and passive responses of the flagellum. Previous studies have observed the qualitative shape of the flagellar waveform and the swimming speed to change with fluid viscosity. We quantify changes in the flagellar waveforms of \textit{Chlamydomonas reinhardtii} in response to changes in fluid viscosity using (i) shape mode analysis and (ii) a full swimmer simulation to analyze how shape changes affect the swimming speed. By decomposing the gait into the time‑independent mean shape and the time‑varying stroke\, we find that the time-independent mean shape changes substantially in response to viscosity\, while the changes in the time-varying stroke are more subtle. \nAbout the speaker: Dr. Gutierrez received her Ph.D. in Applied Mathematics from UC Davis. She joined the Department of Mathematics and Statistics Department at Cal State Monterey Bay in 2026. Her research interests include mathematical biology\, fluid dynamics\, and applied mathematics. \nThis seminar is hosted by Applied Mathematics.
URL:https://events.ucsc.edu/event/am-seminar-analysis-of-flagellar-gait-changes-across-fluid-viscosities/
LOCATION:Jack Baskin Engineering\, Baskin Engineering 1156 High Street\, Santa Cruz\, CA\, 95064
CATEGORIES:Lectures & Presentations,Seminars
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DTSTART;TZID=America/Los_Angeles:20261019T180000
DTEND;TZID=America/Los_Angeles:20261019T193000
DTSTAMP:20261006T165803Z
CREATED:20260917T183243Z
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SUMMARY:North Stars of Emancipation: Navigating Movements and Institutions to Change Food Systems
DESCRIPTION:Dr. Antonio Roman-Alcalá has been participating in food and farming movements in California for over two decades. He’s founded urban farms\, taught organic horticulture\, and made documentary films about why food systems continue to be unsustainable.  \nMore recently\, he’s turned towards participatory\, movement-based research to develop an understanding of what “emancipation” might mean for those who’ve long faced the brunt of food systems injustices\, especially in a context of rising right wing\, racist politics at the national level. \nThe result is North Stars of Emancipation: California’s Diverse Food and Farming Movements in Times of Racial Reckoning\, Antonio’s book now out on MIT Press. You can find info on the book here. \nThe book describes a shift in recent decades of US food movement politics – driven by the greater inclusion and influence of people of color – towards more radical political ideals of anti-capitalism and anti-colonialism\, and skepticism of the state as a tool for emancipation. North Stars tackles questions of social movement convergence amidst the recent right wing rise\, and offers strategic and scholarly lessons based on decades of experience and analysis. \nCome join Antonio in conversation with other thinkers and doers\, about organizing for food systems transformation\, fraught times of political regression\, reckoning with legacies of racism\, and holding onto radical visions for a world otherwise. \nFeaturing: \nLeonard Diggs\, Long time Farmer and Educator\nMireya Gomez-Contreras\, Esperanza Farms\, Community Farm in Watsonville\nMaywa Montenegro de Wit\, Critical agrarian studies scholar at UCSC
URL:https://events.ucsc.edu/event/north-stars-of-emancipation-navigating-movements-and-institutions-to-change-food-systems/
LOCATION:Hay Barn\, 94 Ranch View Road\, Santa Cruz\, CA\, 95064\, United States
CATEGORIES:Seminars
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