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DTSTAMP:20240909T160222
DTSTART;TZID=America/Detroit:20241003T150000
DTEND;TZID=America/Detroit:20241003T160000
SUMMARY:Workshop / Seminar:IOE 899: Probing Enhanced Stochastic Programming
DESCRIPTION:About the speaker: Jeff Linderoth is the Harvey D. Spangler Professor in the Department of Industrial and Systems Engineering at the University of Wisconsin-Madison\, and he served as the department's chairperson from 2016 to 2021. Prof. Linderoth holds a courtesy appointment in the Computer Sciences department and as a Discovery Fellow at the Wisconsin Institutes of Discovery. Dr. Linderoth received his Ph.D. degree from the Georgia Institute of Technology in 1998. He was previously employed in the Mathematics and Computer Science Division at Argonne National Laboratory\, with the optimization-based financial products firm of Axioma\, and as an Assistant Professor at Lehigh University. His awards include multiple best paper awards\, an Early Career Award from the Department of Energy\, the SIAM Activity Group on Optimization Prize\, and the INFORMS Computing Society (ICS) Prize. In 2016\, he was elected to membership as an INFORMS Fellow. Dr. Linderoth was once stranded in Marseille with Jon Lee for five days.\n\nAbstract: We consider a two-stage stochastic decision problem where the decision-maker has the opportunity to obtain information about the distribution of the random variables X through a set of discrete actions that we refer to as probing.  Specifically\, probing allows the decision-maker to observe components of a random vector Y that is jointly distributed with X. We propose a three-stage optimization model for this problem\, wherein the first-stage variables select components of Y to observe\, and decisions in subsequent stages must be consistent with the obtained information.  In the case that X and Y have finite support\, Goel and Grossmann gave a mixed-integer programming formulation of this problem whose size is proportional to the square of cardinality of the sample space of the random variables.   We propose to solve the model using bounds obtained from an information-based relaxation\, combined with a branching scheme that enforces the consistency of decisions with observed information.  The branch-and-bound approach can naturally be combined with sampling in order to estimate both lower and upper bounds on the optimal solution value.  We demonstrate the scalability of our approach against the exact MIP formulation on instances of a stochastic facility location problem.
UID:126048-21856456@events.umich.edu
URL:https://events.umich.edu/event/126048
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Statistics,seminar,Michigan Engineering,Industrial And Operations Engineering
LOCATION:Industrial and Operations Engineering Building - 1680
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250328T173023
DTSTART;TZID=America/Detroit:20241003T150000
DTEND;TZID=America/Detroit:20241003T160000
SUMMARY:Lecture / Discussion:NDEAM Keynote: Working Cripistemologically by Liza Sylvestre
DESCRIPTION:Join us for the NDEAM keynote speaker\, Liza Sylvestre\, a deaf transdisciplinary artist\, co-founder of *Crip: Cripistemology and the Arts*\, and Research Assistant Professor within the College of Fine and Applied Arts at the University of Illinois Urbana Champaign as she discusses: Working Cripistemologically. “Crip moves away from the problem-solving approach to disability in the arts and towards a creative methodology that utilizes a Crip framework as an integral part of art critical discourse and production.” \n\nSylvestre is the recipient of various residencies\, grants\, fellowships\, and awards. Her work has been exhibited in many museums and galleries worldwide\, including the John Hansard Gallery (Southampton)\, ARGOS (Brussels)\, MMK (Frankfurt)\, Museum Marta Herford (Herford\, Germany)\, MIT List Visual Arts Center (Cambridge)\, BFI (London)\, and the Whitney Museum of American Art (NYC). Sylvestre's work has been featured in various publications\, including Art in America\, Mousse Magazine\, Ocula Magazine\, Art Monthly\, SciArt Magazine\, and others. For more information about Sylvestre\, please visit: https://www.lizasylvestre.com/\n\nAmerican Sign Language (ASL) interpreting services and Communication Access Realtime Translation (CART) captioning services will be provided. If you need additional accommodations to participate in this event\, please complete that section of the registration form.
UID:124039-21852325@events.umich.edu
URL:https://events.umich.edu/event/124039
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Culture,Virtual,In Person,Disability,Deaf,Accessibility
LOCATION:Weiser Hall - 1010
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20241003T142046
DTSTART;TZID=America/Detroit:20241003T150000
DTEND;TZID=America/Detroit:20241003T160000
SUMMARY:Workshop / Seminar:Political Economy and Algorithms
DESCRIPTION:For this week we are going to be talking about two papers\, one of which is from last week (since most people were unable to make it). Most of the discussion questions will be focused on the second paper\, but if you have the time to read both please do!One from last week - Big Data Is the Answer … But What Is the Question?One from this week -Is Big Digital Data Different? Towards a New Archaeological Paradigm\n
UID:127187-21858633@events.umich.edu
URL:https://events.umich.edu/event/127187
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Sessions
LOCATION:NQ 4330
CONTACT:
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