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BEGIN:VEVENT
DTSTAMP:20261104T132203
DTSTART;TZID=America/Detroit:20261112T153000
DTEND;TZID=America/Detroit:20261112T163000
SUMMARY:Conference / Symposium:Do active galactic nuclei behave the way galaxy formation theorists need them to?
DESCRIPTION:I discuss what can be learned about galaxy formation theories from studying how active galactic nuclei\n(AGN) occupy galaxies. In simulations\, AGN play the role of quenching and preventing further star\nformation in the most massive galaxies\, preventing them from becoming even higher stellar mass than they\nare. The cosmological simulations require subgrid physics to describe star formation processes as well as\nblack hole growth and feedback\, both of which are complicated\, nonlinear processes occurring at AU scales\,\nwithin simulations with at best about 10 to 100 pc resolution. Among the major cosmological simulation\ncodes\, there are many different implementations of this subgrid physics that all lead to predictions of the\nstellar mass function and star formation rates of galaxies that agree with observations\, and this agreement is\ntaken very seriously as validation of the basic picture. These different implementations nevertheless lead to\nquite different predictions for how AGN populate galaxies as a function of mass and star formation rate.\nThese predictions\, in contrast to those regarding stellar properties of galaxies\, are almost never compared\nagainst observations. I describe a research program to perform these tests. This program requires a major\nrevision of the statistics of AGN demographics in local galaxies\, which in many cases have been performed\npreviously without regard to the dramatic selection effects on AGN samples in galaxies. Although there are\nmany methodological difficulties in interpreting the AGN predictions from galaxy formation simulations\, I\nargue that observations of the AGN population can be used to distinguish between the simulations.
UID:154544-21917917@events.umich.edu
URL:https://events.umich.edu/event/154544
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Talk,AEM Featured,astrophysics,Colloquium,Colloquium Series,Physics
LOCATION:West Hall - 411
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260909T145538
DTSTART;TZID=America/Detroit:20261112T153000
DTEND;TZID=America/Detroit:20261112T163000
SUMMARY:Workshop / Seminar:IES Energy Seminar Series - Battery SoX Intelligence: Millivolts Unlocking Gigawatt-hours
DESCRIPTION:Abstract: \nScaling grid storage with repurposed EV batteries requires precise degradation tracking. For LFP\, a flat open-circuit voltage curve obscures cell aging. This presentation demonstrates how monitoring millivolt-level behaviors extracts gigawatt-hours of latent capacity. By combining physics-informed models with electrochemical state estimation\, we resolve LFP and graphite phase-transitions. Operational data shows how these voltage signatures drive predictive aging forecasts and anomaly detection\, unlocking safe operation beyond industry-standard warranties. \n\nBiography:\nDr. Kandler Smith is Technical Fellow for Energy Storage Modeling at Moment Energy\, a second-use battery energy storage company. He previously worked for 19 years at U.S. DOE’s National Renewable Energy Laboratory as Team Lead for Electrochemical Modeling & Data Sciences\, developing multi-physics models of battery performance\, lifetime\, safety and technoeconomics. He holds a PhD in mechanical engineering from Penn State University (2006) where his research focused on electrochemical modeling\, estimation and control of lithium-ion batteries.\n\nFor the most up to date information on the location\, please check the related link the week of this event
UID:147951-21902586@events.umich.edu
URL:https://events.umich.edu/event/147951
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Science,Sustainability,Social Sciences,seminar,Research,Nuclear Engineering and Radiological Sciences,Naval Architecture and Marine Engineering,CAEN,Civil and Environmental Engineering,Electrical Engineering and Computer Science,Energy,Engineering,Environment,Free,Industrial and Operations Engineering,Interdisciplinary,Law,Materials Science,Mechanical Engineering,Michigan Engineering,North Campus
LOCATION:Francois-Xavier Bagnoud Building - FXB1012
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20251028T082420
DTSTART;TZID=America/Detroit:20261112T160000
DTEND;TZID=America/Detroit:20261112T170000
SUMMARY:Lecture / Discussion:2026 Van Eenan Lectures: Ronnie Sircar
DESCRIPTION:TBA
UID:141176-21888406@events.umich.edu
URL:https://events.umich.edu/event/141176
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20261110T192059
DTSTART;TZID=America/Detroit:20261112T160000
DTEND;TZID=America/Detroit:20261112T164500
SUMMARY:Workshop / Seminar:Arts Initiative Graduate Student Arts Research Opportunities - Info Session and Q&A
DESCRIPTION:Sign up here for one of our info sessions about grad student arts research opportunities
UID:150231-21908429@events.umich.edu
URL:https://events.umich.edu/event/150231
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Sessions
LOCATION:
CONTACT:
END:VEVENT
BEGIN:VEVENT
DTSTAMP:20261104T142759
DTSTART;TZID=America/Detroit:20261112T160000
DTEND;TZID=America/Detroit:20261112T170000
SUMMARY:Workshop / Seminar:DE Seminar: Wave Turbulence for Oscillator Chains
DESCRIPTION:In this talk\, we discuss the wave turbulence properties of the Fermi-Pasta-Ulam-Tsingou (FPUT) system for coupled harmonic oscillators. While it was initially predicted that the system should exhibit thermalization\, numerical experiments showed quasi-periodic behavior\, giving rise to the so-called ``FPUT paradox\". Here\, we demonstrate thermalization in a weakly nonlinear regime for the $\beta$-FPUT by deriving the kinetic equation. Some notable aspects of the derivation are the time constraints imposed by the 1D nature of the system\, the impact of non-resonant terms in the nonlinearity\, and the need for a time-dependent phase renormalization in the system to remove divergent interactions.
UID:154283-21917503@events.umich.edu
URL:https://events.umich.edu/event/154283
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics,Differential Equations Seminar - Department Of Mathematics
LOCATION:East Hall - 4088
CONTACT:
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