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BEGIN:VEVENT
DTSTAMP:20231128T162006
DTSTART;TZID=America/Detroit:20231206T160000
DTEND;TZID=America/Detroit:20231206T172000
SUMMARY:Workshop / Seminar:Optimal Long-Run Fiscal Policy with Heterogeneous Agents
DESCRIPTION:This project introduces a new sequence-space approach to characterizing the steady state of dynamic Ramsey taxation problems. Applying our approach to standard heterogeneous-agent models a la Aiyagari (1995) we find that such Ramsey steady states typically do not exist. Instead\, our results point to the optimality of long-run immiseration in these models\, driven by unreasonably strong anticipatory effects of future tax changes. Deviating from perfect foresight to dampen anticipation generates well-behaved Ramsey steady states.\n\n\nThis talk is presented by the Macroeconomics Seminar\, sponsored by the Department of Economics with generous gifts given through the Michael Beauregard Fund for Macroeconomics and the Economics Strategic Fund.
UID:115594-21835086@events.umich.edu
URL:https://events.umich.edu/event/115594
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Economics,Macroeconomics,seminar
LOCATION:Lorch Hall - 201
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20231204T152115
DTSTART;TZID=America/Detroit:20231206T160000
DTEND;TZID=America/Detroit:20231206T172000
SUMMARY:Workshop / Seminar:RTG TopGeomDyn Seminar:  Anosov representations in restriction to flows
DESCRIPTION:We introduce the notion of restricted Anosov representations\, characterized by their dominated splitting behavior over associated flows\, to encompass many non-Anosov representations with good geometric properties\, such as Minsky's primitive-stable representations. As a first application\, for a closed hyperbolic surface group\, we show that the collection of representations which are Anosov in restriction to the simple geodesics flow gives a domain of discontinuity for the mapping class group action (joint with Nicolas Tholozan). Secondly\, for a relatively hyperbolic group\, we show that a representation being both divergent and Weisman's extended geometrically finite is equivalent to being Anosov in restriction to a flow associated with the boundary extension.
UID:115727-21835437@events.umich.edu
URL:https://events.umich.edu/event/115727
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 3866
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20231031T102006
DTSTART;TZID=America/Detroit:20231206T160000
DTEND;TZID=America/Detroit:20231206T170000
SUMMARY:Lecture / Discussion:Weekly DCMB / CCMB Seminar Series
DESCRIPTION:Abstract:\nHeart attack\, ischemic stroke\, and venous thromboembolism are leading causes of death and disability worldwide and often result from aberrant blood clotting. Fibrin is a hierarchical biomaterial that forms the structural backbone of blood clots during the hemostatic process. Clots form when individual fibrin molecules polymerize into linear fibers which then branch into a 3-D gel at sites of injuries.  These fibrin networks trap red blood cells and other vascular constituents during the wound healing process. \n\nUsing a suite of biophysical approaches\, we probe the multiscale formation and structure of fibrin networks. At the molecular scale we establish that individual fibrin molecules are not rigid but adapt multiple conformations that likely assist in polymerization. At the fiber scale\, we quantify the processes that govern gelation. Moreover\, we demonstrate that fibers exhibit remarkable elastic properties that enable the clot to hold together\, even under high tension. At the network scale we reveal how relative changes in the initial concentrations of blood clot components result in remarkably different gel structures.\n\nTaken together\, these results provide a wholistic framework for understanding the mechanisms that that determine blood clot structures and linking alterations in these processes to pathologies.\n\nhttps://umich-health.zoom.us/j/93929606089?pwd=SHh6R1FOQm8xMThRemdxTEFMWWpVdz09\n\nResearch Projects:\nNathan Hudson studies the exciting field of molecular biophysics.  Work in the Hudson lab uses techniques including protein engineering\, centrifuge force microscopy\, FRET and microfluidics to understand how mechanical force regulates biological function.  Projects involve measuring the biomechanical properties of blood coagulation proteins and determining the force-depending binding kinetics of adhesion molecules.  There are both graduate- and undergraduate-level projects in the lab and numerous students have won awards for their research with Dr. Hudson.
UID:114673-21833285@events.umich.edu
URL:https://events.umich.edu/event/114673
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Michigan Engineering,Talk,Structural Biology,seminar,Science,Research,Public Health,Precision Health,Physics,Pediatrics,Engineering,Basic Science,Biology,Biomedical Engineering,Biosciences,Cardiovascular,Chemistry,Discussion,Education,Electrical Engineering and Computer Science,Applications,Free,Graduate Students,Human Genetics,Information and Technology,Learning Health Systems,Lecture,Life Science,Mathematics,Medicine
LOCATION:Palmer Commons - Forum Hall
CONTACT:
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