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DTSTAMP:20260114T105643
DTSTART;TZID=America/Detroit:20260226T160000
DTEND;TZID=America/Detroit:20260226T170000
SUMMARY:Workshop / Seminar:DE Seminar: Nonuniqueness of solutions to the two-dimensional Euler equations with integrable vorticity
DESCRIPTION:Yudovich established the well-posedness of the two-dimensional incompressible Euler equations for solutions with bounded vorticity. DiPerna and Majda proved the existence of weak solutions with vorticity in L^p ( p > 1).  A celebrated open question is whether the uniqueness result can be generalized to solutions with L^p vorticity. In this talk\, we resolve this question in negative for some p > 1. To prove nonuniqueness\, we devise a new convex integration scheme that employs non-periodic\, spatially-anisotropic perturbations\, an idea that was inspired by our recent work on the transport equation. To construct the perturbation\, we introduce a new family of building blocks based on the Lamb-Chaplygin dipole. This is a joint work with Elia Bruè and Maria Colombo.
UID:141830-21889471@events.umich.edu
URL:https://events.umich.edu/event/141830
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 4088
CONTACT:
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DTSTAMP:20260204T111317
DTSTART;TZID=America/Detroit:20260226T160000
DTEND;TZID=America/Detroit:20260226T173000
SUMMARY:Lecture / Discussion:DISCO Network Presents - Content Creation and the End of Social Media
DESCRIPTION:Is social media still social? With the spread of content creation as a business\, political strategy\, and pastime across platforms\, where is the space for sociality in social media? This panel examines the role of engagement farming\, influencer culture\, misinformation\, disinformation\, and AI in reshaping social media as a creator economy. In a digital landscape where we all serve as content creators and/or unwitting sources of valuable data\, we explore whether social media is still a desirable avenue for forming and cultivating community\, engaging in organizing strategies\, or simply being social.\n\nThis event is open to the public\, and we encourage all interested faculty\, graduate students\, and undergraduate students to attend. \n\nAdvance registration is recommended. Register to attend on Zoom: https://myumi.ch/NrArW \n\nMeet the Panelists \n\nProfessor Crystal Abidin is a digital anthropologist and ethnographer of vernacular internet cultures\, researching influencer cultures\, attention economies\, and social media pop cultures especially in the Asia Pacific region. She has published over 250 articles/chapters\, 16 special issues\, 5 authored books\, and 4 edited books\, including Internet Celebrity: Understanding Fame Online (2018\, Emerald Publishing)\, Instagram: Visual Social Media Cultures (co-authors Leaver & Highfield\, 2020\, Polity Press)\, and tumblr: Curation\, Creativity and Community (co-authors Tiidenberg & Hendry\, 2022\, Polity Press). Her newest books are TikTok and Youth Cultures (2025\, Emerald Publishing) and Child Influencers: How Children Become Entangled with Social Media Fame (2025\, Polity Press). Crystal is Professor of Internet Studies\, Director of the Influencer Ethnography Research Lab\, and Founder of the TikTok Cultures Research Network at Curtin University. Reach her at wishcrys.com.\n\nBrooke Erin Duffy is an Associate Professor in the Department of Communication at Cornell University\, where she is also a member of the Feminist\, Gender\, and Sexuality Studies faculty.  Her research interests include digital and social media industries\; gender\, identity\, and inequality\; and the impact of new technologies on creative work and labor. She's the author of two monographs on gender and cultural production\, including (Not) Getting Paid to Do What You Love: Gender\, Social Media\, and Aspirational Work (Yale University Press\, 2017)\, which draws upon research with fashion bloggers\, YouTubers\, and Instagrammers to explore the culture and politics of the digital labor. In addition\, she is co-author of the newly released book Platforms & Cultural Production (Polity\, 2021).\n\nKelechi Okafor is a British-Nigerian multidisciplinary artist\, writer\, presenter\, actor\, and political commentator. She is the creator and host of the podcast Say Your Mind\, with more than 280 episodes exploring self-reclamation through an unflinching critique of society. Kelechi has written books for children\, young adults\, and adults\, often engaging themes of Black identity\, power\, surveillance\, and systemic injustice. Her work extends beyond literature and media into political commentary and social advocacy\, with a particular focus on issues affecting Black women. She is known for her sharp critiques of institutional racism and performative activism\, consistently calling for material change and accountability. In 2025\, she released her speculative novel Awakened. Her upcoming young adult novel\, Are You Still Watching?\, will be published on 10 September 2026. Through her artistic and social practice\, Kelechi continues to create transformative spaces\, challenge dominant narratives\, and amplify marginalised voices.\n\nMeet the Moderator \n\nCatherine Knight Steele is an educator\, researcher\, and award-winning author. She is the author of three books: Digital Black Feminism (NYU Press\, 2021)\, Doing Black Digital Humanities with Radical Intentionality\, and Technoskepticism: Between Possibility and Refusal\, a collaborative project with the DISCO Network. She directs the Black Communication and Technology lab at the University of Maryland\, where she is an Associate Professor of Communication. Her research focuses on race\, gender\, and media\, with a specific emphasis on Black culture\, discourse\, and digital communication.  Her latest project addresses critical questions about automation\, AI\, and their implications on our liberation. \n\nWe want to make our events accessible to all participants. CART services will be provided. If you anticipate needing additional accommodations to participate or would like help filling out the RSVP form\, please email Cherice Chan at chericec@umich.edu.
UID:142215-21890215@events.umich.edu
URL:https://events.umich.edu/event/142215
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Communication,Communication And Media,Communication Studies,Media,Social Media
LOCATION:Off Campus Location
CONTACT:
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